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https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
exact nhdsWithin_le_nhds n
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u x : X m :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
rw [← closure_eq_iff_isClosed]
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
refine subset_antisymm ?_ subset_closure
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
rw [← hu]
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
refine _root_.trans (continuous_subtype_val.closure_preimage_subset _) ?_
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
intro ⟨x, m⟩ h
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
exact cl ⟨m, h⟩
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u uo : IsOp...
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
simp only [univ_disjoint, preimage_eq_empty_iff, Subtype.range_coe, ← hu] at h
case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
Please generate a tactic in lean4 to solve the state. STATE: case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
exfalso
case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
Please generate a tactic in lean4 to solve the state. STATE: case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
exact ne.not_disjoint h.symm
case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
rw [← Subtype.coe_preimage_self, ← hu, preimage_subset_preimage_iff] at h
case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
Please generate a tactic in lean4 to solve the state. STATE: case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
exact _root_.trans (subset_inter (subset_refl _) h) op
case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
Please generate a tactic in lean4 to solve the state. STATE: case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPreconnected.relative_clopen
[170, 1]
[191, 47]
simp only [Subtype.range_coe, subset_refl]
case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl : s ∩ closure t ⊆ t u : Set ↑s hu : (fun x => ↑x) ⁻¹' t = u ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I s t : Set X sp : IsPreconnected s ne : (s ∩ t).Nonempty op : s ∩ t ⊆ interior t cl...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
have uc : IsPathConnected (univ : Set s) := by convert sc.preimage_coe (subset_refl _); apply Set.ext; intro x simp only [mem_univ, true_iff_iff, mem_preimage, Subtype.mem]
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ IsPathConnected ...
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
have e : f '' s = s.restrict f '' univ := by apply Set.ext; intro y; constructor intro ⟨x, m, e⟩; use⟨x, m⟩, mem_univ _, e intro ⟨⟨x, m⟩, _, e⟩; use x, m, e
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
rw [e]
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
exact uc.image (continuousOn_iff_continuous_restrict.mp fc)
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
no goals
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
convert sc.preimage_coe (subset_refl _)
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ IsPathConnected ...
case h.e'_3 X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ univ...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
apply Set.ext
case h.e'_3 X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ univ...
case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ ∀ ...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3 X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X ...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
intro x
case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s ⊢ ∀ ...
case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s x : ...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set ...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
simp only [mem_univ, true_iff_iff, mem_preimage, Subtype.mem]
case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s x : ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set ...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
apply Set.ext
X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPathConnect...
case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPath...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathC...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
intro y
case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPath...
case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPath...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : ...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
constructor
case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsPath...
case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsP...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : ...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
intro ⟨x, m, e⟩
case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsP...
case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsP...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
use⟨x, m⟩, mem_univ _, e
case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : IsP...
case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : Is...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
intro ⟨⟨x, m⟩, _, e⟩
case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : Is...
case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : Is...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X s...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.image_of_continuousOn
[195, 1]
[205, 70]
use x, m, e
case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X sc : IsPathConnected s f : X → Y fc : ContinuousOn f s uc : Is...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr X✝ : Type inst✝⁶ : TopologicalSpace X✝ I : Type inst✝⁵ : TopologicalSpace I inst✝⁴ : ConditionallyCompleteLinearOrder I inst✝³ : DenselyOrdered I inst✝² : OrderTopology I X Y : Type inst✝¹ : TopologicalSpace X inst✝ : TopologicalSpace Y s : Set X s...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
isPathConnected_sphere
[208, 1]
[211, 82]
rw [← abs_of_nonneg r0, ← image_circleMap_Ioc z r]
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (sphere z r)
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (circleMap z r '' Ioc 0 (2 * π))
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (sphere z r) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
isPathConnected_sphere
[208, 1]
[211, 82]
refine IsPathConnected.image ?_ (continuous_circleMap _ _)
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (circleMap z r '' Ioc 0 (2 * π))
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (Ioc 0 (2 * π))
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (circleMap z r '' Ioc 0 (2 * π)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
isPathConnected_sphere
[208, 1]
[211, 82]
exact (convex_Ioc 0 (2 * π)).isPathConnected (nonempty_Ioc.mpr Real.two_pi_pos)
X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (Ioc 0 (2 * π))
no goals
Please generate a tactic in lean4 to solve the state. STATE: X : Type inst✝⁴ : TopologicalSpace X I : Type inst✝³ : TopologicalSpace I inst✝² : ConditionallyCompleteLinearOrder I inst✝¹ : DenselyOrdered I inst✝ : OrderTopology I z : ℂ r : ℝ r0 : 0 ≤ r ⊢ IsPathConnected (Ioc 0 (2 * π)) TACTIC:
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have pc' := pc
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rcases pc' with ⟨b, fb, j⟩
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConne...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
use b
case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConne...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [mem_preimage, mem_singleton_iff] at fb j ⊢
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have bs : f b ∈ s := sc.frontier_subset fb
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
use bs
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro x fx
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have p := PathConnectedSpace.somePath x b
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
generalize hu : Icc (0 : ℝ) 1 ∩ ⋂ (a) (_ : f (p.extend a) ∉ s), Iic a = u
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have bdd : BddAbove u := by rw [← hu, bddAbove_def]; use 1; intro t ⟨m, _⟩; exact m.2
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have un : u.Nonempty := by rw [← hu]; use 0, left_mem_Icc.mpr zero_le_one; simp only [mem_iInter₂, mem_Iic]; intro a m contrapose m; simp only [not_not, p.extend_of_le_zero (not_le.mp m).le, fx]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have uc : IsClosed u := by rw [← hu]; apply isClosed_Icc.inter; apply isClosed_iInter; intro a; apply isClosed_iInter intro _; exact isClosed_Iic
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
generalize ht : sSup u = t
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have tu : t ∈ u := by rw [← uc.closure_eq, ← ht]; exact csSup_mem_closure un bdd
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have m : t ∈ Icc (0 : ℝ) 1 := by rw [← hu] at tu; exact tu.1
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have lo : ∀ a, a ≤ t → f (p.extend a) ∈ s := by intro a h; contrapose h; simp only [not_le] replace h : ∀ᶠ b in 𝓝 a, f (p.extend b) ∉ s := (fc.comp p.continuous_extend).continuousAt.eventually_mem (sc.isOpen_compl.mem_nhds h) simp only [← hu, mem_inter_iff, mem_iInter₂, mem_Iic] at tu ⊢ rcases ((frequently...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
by_cases t1 : t = 1
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case pos X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
replace t1 : t < 1 := Ne.lt_of_le t1 m.2
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
refine ((pc.joinedIn _ ft b fb).mono (preimage_mono sc.frontier_subset)).symm.trans (JoinedIn.symm ?_)
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
generalize hq : (fun a : unitInterval ↦ p.extend (min a t)) = q
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have qc : Continuous q := by rw [← hq]; exact p.continuous_extend.comp (continuous_subtype_val.min continuous_const)
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
refine ⟨⟨⟨q,qc⟩,?_,?_⟩,?_⟩
case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case neg.refine_1 X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConn...
Please generate a tactic in lean4 to solve the state. STATE: case neg X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← hu, bddAbove_def]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
use 1
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro t ⟨m, _⟩
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
exact m.2
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← hu]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
use 0, left_mem_Icc.mpr zero_le_one
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [mem_iInter₂, mem_Iic]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro a m
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
contrapose m
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [not_not, p.extend_of_le_zero (not_le.mp m).le, fx]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← hu]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
apply isClosed_Icc.inter
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
apply isClosed_iInter
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro a
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
apply isClosed_iInter
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro _
case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
exact isClosed_Iic
case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← uc.closure_eq, ← ht]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
exact csSup_mem_closure un bdd
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
no goals
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← hu] at tu
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
exact tu.1
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
no goals
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro a h
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
contrapose h
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [not_le]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
replace h : ∀ᶠ b in 𝓝 a, f (p.extend b) ∉ s := (fc.comp p.continuous_extend).continuousAt.eventually_mem (sc.isOpen_compl.mem_nhds h)
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [← hu, mem_inter_iff, mem_iInter₂, mem_Iic] at tu ⊢
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rcases ((frequently_lt_nhds a).and_eventually h).exists with ⟨c, ca, cs⟩
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConne...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
exact lt_of_le_of_lt (tu.2 c cs) ca
case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConne...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
use p.symm
case pos X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case pos X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
intro a
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [p.symm_apply, Function.comp, mem_preimage]
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [← Path.extend_extends']
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
apply lo
case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹...
case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case h X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathCo...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [t1]
case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
Please generate a tactic in lean4 to solve the state. STATE: case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
unit_interval
case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.a X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Path...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [frontier, mem_diff, sc.closure_eq]
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
constructor
X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f ⁻¹' front...
case left X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f...
Please generate a tactic in lean4 to solve the state. STATE: X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnected...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
convert lo t (le_refl _)
case left X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (f...
case h.e'_4.h.e'_1 X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathCon...
Please generate a tactic in lean4 to solve the state. STATE: case left X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pat...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [ge_iff_le, zero_le_one, not_true, gt_iff_lt, mem_Icc, Path.extend_extends _ m]
case h.e'_4.h.e'_1 X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathCon...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.h.e'_1 X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y in...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have e : p ⟨t, m⟩ = p.extend t := by simp only [Path.extend, IccExtend_apply, min_eq_right m.2, max_eq_right m.1]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [e]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
clear e
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
simp only [← @mem_preimage _ _ (f.comp p.extend), ← ht]
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
by_contra h
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rw [ht] at h
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
have o : IsOpen (f ∘ p.extend ⁻¹' interior s) := isOpen_interior.preimage (fc.comp p.continuous_extend)
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...
https://github.com/girving/ray.git
0be790285dd0fce78913b0cb9bddaffa94bd25f9
Ray/Misc/Connected.lean
IsPathConnected.of_frontier
[218, 1]
[281, 34]
rcases (nhds_basis_Ioo t).mem_iff.mp (o.mem_nhds h) with ⟨⟨x, y⟩, ⟨xt, ty⟩, h⟩
case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y pc : IsPathConnected (...
case right.intro.mk.intro.intro X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : PathConnectedSpace X f : X → Y s : Set Y p...
Please generate a tactic in lean4 to solve the state. STATE: case right X✝ : Type inst✝⁷ : TopologicalSpace X✝ I : Type inst✝⁶ : TopologicalSpace I inst✝⁵ : ConditionallyCompleteLinearOrder I inst✝⁴ : DenselyOrdered I inst✝³ : OrderTopology I X Y : Type inst✝² : TopologicalSpace X inst✝¹ : TopologicalSpace Y inst✝ : Pa...