module
string
startPos
dict
endPos
dict
nextStartPos
dict
goals
list
goalsAfter
list
ppTac
string
elaborator
string
kind
string
Mathlib.Data.Nat.Count
{ "line": 52, "column": 81 }
{ "line": 54, "column": 5 }
{ "line": 56, "column": 0 }
[ { "pp": "p : ℕ → Prop\ninst✝ : DecidablePred p\nn : ℕ\n⊢ count p n = #({x ∈ range n | p x})", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "Eq.mpr", "List.countP", "congrArg", "id", "List.range", "Finset.range", "List.countP_eq_length_filter", ...
[]
by rw [count, List.countP_eq_length_filter] rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.Nat.Periodic
{ "line": 37, "column": 67 }
{ "line": 37, "column": 75 }
{ "line": 37, "column": 75 }
[ { "pp": "α : Type u_1\nf : ℕ → α\na : ℕ\nhf : Periodic f a\nn : ℕ\n| f (n % a + (n / a) • a)", "ppTerm": "?m.25", "assigned": true, "usedConstants": [ "instHSMul", "instHDiv", "Function.Periodic.nsmul", "AddMonoid.toAddSemigroup", "congrArg", "AddMonoid.toNSMul", ...
[ "α : Type u_1\nf : ℕ → α\na : ℕ\nhf : Periodic f a\nn : ℕ\n| f (n % a)" ]
hf.nsmul
Lean.Elab.Tactic.Conv.evalRewrite
null
Mathlib.Data.Nat.Totient
{ "line": 224, "column": 6 }
{ "line": 224, "column": 25 }
{ "line": 225, "column": 2 }
[ { "pp": "case a\nhp : 0 < 1\nh : 1 = 0\n⊢ False", "ppTerm": "?a✝", "assigned": true, "usedConstants": [ "Nat.instOne", "AddMonoid.toAddZeroClass", "AddZeroClass.toAddZero", "instOfNatNat", "AddZero.toZero", "Nat.instNeZeroSucc", "Nat", "Nat.instAddComm...
[]
exact one_ne_zero h
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Order.Filter.Lift
{ "line": 335, "column": 2 }
{ "line": 335, "column": 22 }
{ "line": 336, "column": 2 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nf g : Filter α\ns : Set α → Set β\nhs : ∀ (t₁ t₂ : Set α), s (t₁ ∩ t₂) = s t₁ ∩ s t₂\n⊢ ⨅ i, (bif i then f else g).lift' s = ⨅ b, bif b then f.lift' s else g.lift' s", "ppTerm": "?m.36", "assigned": true, "usedConstants": [ "cond", "Filter.instInfSet"...
[ "α : Type u_1\nβ : Type u_2\nf g : Filter α\ns : Set α → Set β\nhs : ∀ (t₁ t₂ : Set α), s (t₁ ∩ t₂) = s t₁ ∩ s t₂\n⊢ ∀ (i : Bool), (bif i then f else g).lift' s = bif i then f.lift' s else g.lift' s" ]
refine iInf_congr ?_
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Continuous
{ "line": 136, "column": 74 }
{ "line": 136, "column": 100 }
{ "line": 138, "column": 0 }
[ { "pp": "X : Type u_1\nY : Type u_2\nZ : Type u_3\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : X → Y\nx : X\ny : Y\ng : Y → Z\nhg : ContinuousAt g y\nhf : ContinuousAt f x\nhy : f x = y\n⊢ ContinuousAt (g ∘ f) x", "ppTerm": "?m.17", "assigned": true, "us...
[]
subst hy; exact hg.comp hf
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Continuous
{ "line": 136, "column": 74 }
{ "line": 136, "column": 100 }
{ "line": 138, "column": 0 }
[ { "pp": "X : Type u_1\nY : Type u_2\nZ : Type u_3\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : X → Y\nx : X\ny : Y\ng : Y → Z\nhg : ContinuousAt g y\nhf : ContinuousAt f x\nhy : f x = y\n⊢ ContinuousAt (g ∘ f) x", "ppTerm": "?m.17", "assigned": true, "us...
[]
subst hy; exact hg.comp hf
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Closure
{ "line": 444, "column": 13 }
{ "line": 444, "column": 15 }
{ "line": 445, "column": 4 }
[ { "pp": "case mp\nX : Type u\ninst✝ : TopologicalSpace X\nx : X\nhd : Dense {x}ᶜ\n⊢ ¬IsOpen {x}", "ppTerm": "?mp", "assigned": true, "usedConstants": [ "Set.instSingletonSet", "IsOpen", "Singleton.singleton", "Set" ], "usedFVars": [ "X", "inst✝", "x"...
[ "case mp\nX : Type u\ninst✝ : TopologicalSpace X\nx : X\nhd : Dense {x}ᶜ\nho : IsOpen {x}\n⊢ False" ]
ho
Lean.Elab.Tactic.evalIntro
ident
Mathlib.Topology.Closure
{ "line": 570, "column": 23 }
{ "line": 570, "column": 40 }
{ "line": 570, "column": 40 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns : Set X\nh : IsClosed s\nA : frontier s = s \\ interior s\nB : interior (frontier s) ⊆ interior s\nC : interior (frontier s) ⊆ frontier s\n⊢ interior (frontier s) ⊆ s \\ interior s", "ppTerm": "?m.73", "assigned": true, "usedConstants": [ "Eq....
[]
simpa [A] using C
Lean.Elab.Tactic.Simpa.evalSimpa
Lean.Parser.Tactic.simpa
Mathlib.Topology.Closure
{ "line": 570, "column": 23 }
{ "line": 570, "column": 40 }
{ "line": 570, "column": 40 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns : Set X\nh : IsClosed s\nA : frontier s = s \\ interior s\nB : interior (frontier s) ⊆ interior s\nC : interior (frontier s) ⊆ frontier s\n⊢ interior (frontier s) ⊆ s \\ interior s", "ppTerm": "?m.73", "assigned": true, "usedConstants": [ "Eq....
[]
simpa [A] using C
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Closure
{ "line": 570, "column": 23 }
{ "line": 570, "column": 40 }
{ "line": 570, "column": 40 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns : Set X\nh : IsClosed s\nA : frontier s = s \\ interior s\nB : interior (frontier s) ⊆ interior s\nC : interior (frontier s) ⊆ frontier s\n⊢ interior (frontier s) ⊆ s \\ interior s", "ppTerm": "?m.73", "assigned": true, "usedConstants": [ "Eq....
[]
simpa [A] using C
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Order
{ "line": 866, "column": 2 }
{ "line": 866, "column": 54 }
{ "line": 868, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nf : α → β\nι : Sort u_2\nt₁ : TopologicalSpace α\nt₂ : ι → TopologicalSpace β\n⊢ Continuous[t₁, iInf t₂] f ↔ ∀ (i : ι), Continuous[t₁, t₂ i] f", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "iInf", "Continuous", "congrArg", "PartialO...
[]
simp only [continuous_iff_coinduced_le, le_iInf_iff]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.Order
{ "line": 866, "column": 2 }
{ "line": 866, "column": 54 }
{ "line": 868, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nf : α → β\nι : Sort u_2\nt₁ : TopologicalSpace α\nt₂ : ι → TopologicalSpace β\n⊢ Continuous[t₁, iInf t₂] f ↔ ∀ (i : ι), Continuous[t₁, t₂ i] f", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "iInf", "Continuous", "congrArg", "PartialO...
[]
simp only [continuous_iff_coinduced_le, le_iInf_iff]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Order
{ "line": 866, "column": 2 }
{ "line": 866, "column": 54 }
{ "line": 868, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nf : α → β\nι : Sort u_2\nt₁ : TopologicalSpace α\nt₂ : ι → TopologicalSpace β\n⊢ Continuous[t₁, iInf t₂] f ↔ ∀ (i : ι), Continuous[t₁, t₂ i] f", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "iInf", "Continuous", "congrArg", "PartialO...
[]
simp only [continuous_iff_coinduced_le, le_iInf_iff]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Maps.Basic
{ "line": 477, "column": 2 }
{ "line": 477, "column": 49 }
{ "line": 478, "column": 2 }
[ { "pp": "X : Type u_1\nY : Type u_2\nf : X → Y\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nhf : IsOpenMap f\nx : X\nl : Filter Y\nh : ClusterPt (f x) (𝓟 {f x}ᶜ ⊓ l)\n⊢ comap f (𝓟 {f x}ᶜ ⊓ l) ≤ 𝓟 {x}ᶜ ⊓ comap f l", "ppTerm": "?m.37", "assigned": true, "usedConstants": [ "Eq.mpr...
[ "X : Type u_1\nY : Type u_2\nf : X → Y\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nhf : IsOpenMap f\nx : X\nl : Filter Y\nh : ClusterPt (f x) (𝓟 {f x}ᶜ ⊓ l)\n⊢ 𝓟 (f ⁻¹' {f x})ᶜ ⊓ comap f l ≤ 𝓟 {x}ᶜ ⊓ comap f l" ]
rw [comap_inf, comap_principal, preimage_compl]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Maps.Basic
{ "line": 504, "column": 2 }
{ "line": 504, "column": 15 }
{ "line": 505, "column": 2 }
[ { "pp": "X : Type u_1\nY : Type u_2\nf : X → Y\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nh : ∀ (x : X) (l : Filter Y), ClusterPt (f x) l → ClusterPt x (comap f l)\nx : X\ns : Set X\nhs : s ∈ 𝓝 x\n⊢ f '' s ∈ 𝓝 (f x)", "ppTerm": "?m.34", "assigned": true, "usedConstants": [ "Fi...
[ "X : Type u_1\nY : Type u_2\nf : X → Y\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nh : ∀ (x : X) (l : Filter Y), ClusterPt (f x) l → ClusterPt x (comap f l)\nx : X\ns : Set X\nhs : f '' s ∉ 𝓝 (f x)\n⊢ s ∉ 𝓝 x" ]
contrapose hs
Mathlib.Tactic.Contrapose._aux_Mathlib_Tactic_Contrapose___macroRules_Mathlib_Tactic_Contrapose_contrapose_1
Mathlib.Tactic.Contrapose.contrapose
Mathlib.Topology.Maps.Basic
{ "line": 779, "column": 69 }
{ "line": 779, "column": 96 }
{ "line": 779, "column": 96 }
[ { "pp": "X : Type u_1\nY : Type u_2\nZ : Type u_3\nf : X → Y\ng : Y → Z\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nhg : IsOpenEmbedding g\n⊢ (∀ (x : X), 𝓝 (f x) ≤ map f (𝓝 x)) ↔ ∀ (x : X), map g (𝓝 (f x)) ≤ map g (map f (𝓝 x))", "ppTerm": "?m.20", "assigne...
[]
map_le_map_iff hg.injective
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.Constructions.SumProd
{ "line": 546, "column": 25 }
{ "line": 549, "column": 57 }
{ "line": 551, "column": 0 }
[ { "pp": "X : Type u\nY : Type v\nZ : Type u_2\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : X → Y → Z\nx : X\ny : Y\ns : Set X\nt : Set Y\nu : Set Z\nhf₁ : ∀ (x : X), Continuous[inst✝¹, inst✝] (f x)\nhf₂ : ∀ (y : Y), Continuous[inst✝², inst✝] fun x ↦ f x y\nhx : x ∈ ...
[]
by rw [← isClosed_closure.closure_eq] apply map_mem_closure (hf₁ x) hy fun b hb ↦ ?_ apply map_mem_closure (hf₂ b) hx fun a ha ↦ h a ha b hb
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.ContinuousOn
{ "line": 249, "column": 2 }
{ "line": 249, "column": 54 }
{ "line": 251, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → β\ns t : Set α\nx : α\nh : t ∈ 𝓝[s] x\n⊢ ContinuousWithinAt f (s ∩ t) x ↔ ContinuousWithinAt f s x", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "ContinuousWithinAt", "congr...
[]
simp [ContinuousWithinAt, nhdsWithin_restrict'' s h]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.ContinuousOn
{ "line": 249, "column": 2 }
{ "line": 249, "column": 54 }
{ "line": 251, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → β\ns t : Set α\nx : α\nh : t ∈ 𝓝[s] x\n⊢ ContinuousWithinAt f (s ∩ t) x ↔ ContinuousWithinAt f s x", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "ContinuousWithinAt", "congr...
[]
simp [ContinuousWithinAt, nhdsWithin_restrict'' s h]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.ContinuousOn
{ "line": 249, "column": 2 }
{ "line": 249, "column": 54 }
{ "line": 251, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → β\ns t : Set α\nx : α\nh : t ∈ 𝓝[s] x\n⊢ ContinuousWithinAt f (s ∩ t) x ↔ ContinuousWithinAt f s x", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "ContinuousWithinAt", "congr...
[]
simp [ContinuousWithinAt, nhdsWithin_restrict'' s h]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Constructions
{ "line": 337, "column": 6 }
{ "line": 337, "column": 33 }
{ "line": 337, "column": 33 }
[ { "pp": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nα : Type u_5\nβ : Type u_6\nf : α → X\ng : β → Y\nla : Filter α\nlb : Filter β\nx : X\ny : Y\nhf : MapClusterPt x la f\nhg : MapClusterPt y lb g\n⊢ MapClusterPt (x, y) (la.curry lb) (Prod.map f g)", "ppTerm": "?m.18", ...
[ "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nα : Type u_5\nβ : Type u_6\nf : α → X\ng : β → Y\nla : Filter α\nlb : Filter β\nx : X\ny : Y\nhf : ∀ s ∈ 𝓝 x, ∃ᶠ (a : α) in la, f a ∈ s\nhg : ∀ s ∈ 𝓝 y, ∃ᶠ (a : β) in lb, g a ∈ s\n⊢ MapClusterPt (x, y) (la.curry lb) (Prod.map f g)" ...
mapClusterPt_iff_frequently
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Bornology.Basic
{ "line": 184, "column": 2 }
{ "line": 184, "column": 91 }
{ "line": 186, "column": 0 }
[ { "pp": "α : Type u_2\nβ : Type u_3\nx✝ : Bornology α\ninst✝ : Bornology β\nf : α → β\nh : comap f (cobounded β) ≤ cobounded α\ns : Set α\nhs : IsBounded s\nt : Set β\nht : t ∈ cobounded β\nhts : s ⊆ f ⁻¹' tᶜ\n⊢ IsBounded (f '' s)", "ppTerm": "?m.85", "assigned": true, "usedConstants": [ "Comp...
[]
exact (IsCobounded.compl ht).subset ((image_mono hts).trans <| image_preimage_subset _ _)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Order.Filter.Ultrafilter.Defs
{ "line": 251, "column": 10 }
{ "line": 251, "column": 19 }
{ "line": 251, "column": 20 }
[ { "pp": "α : Type u\nβ : Type v\nm : α → β\na : α\ninj : Injective m\nlarge : range m ∈ pure (m a)\n⊢ 𝓟 (m ⁻¹' {m a}) = ↑(pure a)", "ppTerm": "?m.25", "assigned": true, "usedConstants": [ "Pure.pure", "Eq.mpr", "Ultrafilter.coe_pure", "congrArg", "Set.instSingletonSet"...
[ "α : Type u\nβ : Type v\nm : α → β\na : α\ninj : Injective m\nlarge : range m ∈ pure (m a)\n⊢ 𝓟 (m ⁻¹' {m a}) = pure a" ]
coe_pure,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Bases
{ "line": 312, "column": 24 }
{ "line": 312, "column": 54 }
{ "line": 312, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ ∅ = univ", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.univ_eq_empty_iff", "IsEmpty", "congr", "True", "eq_self", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.Bases
{ "line": 312, "column": 24 }
{ "line": 312, "column": 54 }
{ "line": 312, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ ∅ = univ", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.univ_eq_empty_iff", "IsEmpty", "congr", "True", "eq_self", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Bases
{ "line": 312, "column": 24 }
{ "line": 312, "column": 54 }
{ "line": 312, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ ∅ = univ", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.univ_eq_empty_iff", "IsEmpty", "congr", "True", "eq_self", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Bases
{ "line": 317, "column": 24 }
{ "line": 317, "column": 54 }
{ "line": 317, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ {∅} = univ", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.instSingletonSet", "Set.univ_eq_empty_iff", "Set.sUnion_singleton", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.Bases
{ "line": 317, "column": 24 }
{ "line": 317, "column": 54 }
{ "line": 317, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ {∅} = univ", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.instSingletonSet", "Set.univ_eq_empty_iff", "Set.sUnion_singleton", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Bases
{ "line": 317, "column": 24 }
{ "line": 317, "column": 54 }
{ "line": 317, "column": 54 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nh : IsEmpty α\n⊢ ⋃₀ {∅} = univ", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "Set.univ", "Set.sUnion", "Set.instSingletonSet", "Set.univ_eq_empty_iff", "Set.sUnion_singleton", ...
[]
simp [Set.univ_eq_empty_iff.2]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.LocallyFinite
{ "line": 119, "column": 2 }
{ "line": 119, "column": 73 }
{ "line": 120, "column": 2 }
[ { "pp": "ι : Type u_1\nX : Type u_4\ninst✝ : TopologicalSpace X\nf : ι → Set X\nhf : LocallyFinite f\nx : X\ns : Set X\nhsx : s ∈ 𝓝 x\nhsf : {i | (f i ∩ s).Nonempty}.Finite\n⊢ ∃ t ∈ 𝓝 x, {i | ((fun i ↦ closure[inst✝] (f i)) i ∩ t).Nonempty}.Finite", "ppTerm": "?m.29", "assigned": true, "usedConsta...
[ "ι : Type u_1\nX : Type u_4\ninst✝ : TopologicalSpace X\nf : ι → Set X\nhf : LocallyFinite f\nx : X\ns : Set X\nhsx : s ∈ 𝓝 x\nhsf : {i | (f i ∩ s).Nonempty}.Finite\ni : ι\nhi : i ∈ {i | ((fun i ↦ closure[inst✝] (f i)) i ∩ interior s).Nonempty}\n⊢ i ∈ {i | (f i ∩ s).Nonempty}" ]
refine ⟨interior s, interior_mem_nhds.2 hsx, hsf.subset fun i hi => ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.LocallyFinite
{ "line": 125, "column": 2 }
{ "line": 125, "column": 91 }
{ "line": 127, "column": 0 }
[ { "pp": "ι : Type u_1\nX : Type u_4\ninst✝ : TopologicalSpace X\nf : ι → Set X\nh : LocallyFinite f\nx : X\n⊢ x ∈ closure[inst✝] (⋃ i, f i) ↔ x ∈ ⋃ i, closure[inst✝] (f i)", "ppTerm": "?m.21", "assigned": true, "usedConstants": [ "Filter.instSupSet", "congrArg", "iSup", "Filt...
[]
simp only [mem_closure_iff_nhdsWithin_neBot, h.nhdsWithin_iUnion, iSup_neBot, mem_iUnion]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.LocallyFinite
{ "line": 157, "column": 2 }
{ "line": 157, "column": 44 }
{ "line": 158, "column": 2 }
[ { "pp": "X : Type u_4\ninst✝ : TopologicalSpace X\nπ : X → Sort u_6\nf : ℕ → (x : X) → π x\nU : X → Set X\nhUx : ∀ (x : X), U x ∈ 𝓝 x\nhU : ∀ (x : X), {i | ((fun n ↦ {x | f (n + 1) x ≠ f n x}) i ∩ U x).Nonempty}.Finite\nN : X → ℕ\nhN : ∀ (x : X), ∀ n ≥ N x + 1, ∀ y ∈ U x, f n y = f (N x + 1) y\nx : X\n⊢ ∀ a ∈ ...
[ "X : Type u_4\ninst✝ : TopologicalSpace X\nπ : X → Sort u_6\nf : ℕ → (x : X) → π x\nU : X → Set X\nhUx : ∀ (x : X), U x ∈ 𝓝 x\nhU : ∀ (x : X), {i | ((fun n ↦ {x | f (n + 1) x ≠ f n x}) i ∩ U x).Nonempty}.Finite\nN : X → ℕ\nhN : ∀ (x : X), ∀ n ≥ N x + 1, ∀ y ∈ U x, f n y = f (N x + 1) y\nx : X\nn : ℕ\ny : X\nhn : N...
rintro ⟨n, y⟩ ⟨hn : N x < n, hy : y ∈ U x⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRIntro
Lean.Parser.Tactic.rintro
Mathlib.Topology.Compactness.SigmaCompact
{ "line": 209, "column": 23 }
{ "line": 209, "column": 40 }
{ "line": 209, "column": 40 }
[ { "pp": "X : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : SigmaCompactSpace X\n⊢ ⋃ n, accumulate ⋯.choose n = univ", "ppTerm": "?m.13", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "Set.univ", "Preorder.toLE", "id", "instLENat", "Set.iUnion_a...
[ "X : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : SigmaCompactSpace X\n⊢ ⋃ x, ⋯.choose x = univ" ]
iUnion_accumulate
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Compactness.Compact
{ "line": 252, "column": 2 }
{ "line": 253, "column": 74 }
{ "line": 254, "column": 2 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns : Set X\nl : Filter X\nhs : IsCompact s\nH : ∀ x ∈ s, Disjoint (𝓝 x) l\nU : X → Set X\nhUl : ∀ x ∈ s, (U x)ᶜ ∈ l\nhxU : ∀ x ∈ s, x ∈ U x\nhUo : ∀ x ∈ s, IsOpen[inst✝] (U x)\nt : Finset X\nhts : ∀ x ∈ t, x ∈ s\nhst : s ⊆ ⋃ x ∈ t, U x\n⊢ Disjoint (𝓝ˢ s) l", ...
[ "X : Type u\ninst✝ : TopologicalSpace X\ns : Set X\nl : Filter X\nhs : IsCompact s\nH : ∀ x ∈ s, Disjoint (𝓝 x) l\nU : X → Set X\nhUl : ∀ x ∈ s, (U x)ᶜ ∈ l\nhxU : ∀ x ∈ s, x ∈ U x\nhUo : ∀ x ∈ s, IsOpen[inst✝] (U x)\nt : Finset X\nhts : ∀ x ∈ t, x ∈ s\nhst : s ⊆ ⋃ x ∈ t, U x\n⊢ (⋃ x ∈ t, U x)ᶜ ∈ l" ]
refine (hasBasis_nhdsSet _).disjoint_iff_left.2 ⟨⋃ x ∈ t, U x, ⟨isOpen_biUnion fun x hx => hUo x (hts x hx), hst⟩, ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Bases
{ "line": 1022, "column": 6 }
{ "line": 1022, "column": 47 }
{ "line": 1023, "column": 6 }
[ { "pp": "case refine_2.a\nα : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\nt' : Set (Set α) := ⋯\nthis : IsTopologicalBasis t'\ns' : Set (Set α)\ns't' : s' ⊆ t'\ns'_count : s'.Countable\nhs' : IsTopologicalBasis s'\nf : Set α → Set (Set α)\nf_f...
[ "case refine_2.a\nα : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\nt' : Set (Set α) := ⋯\nthis : IsTopologicalBasis t'\ns' : Set (Set α)\ns't' : s' ⊆ t'\ns'_count : s'.Countable\nhs' : IsTopologicalBasis s'\nf : Set α → Set (Set α)\nf_fin : ∀ u ∈ s...
apply le_generateFrom_iff_subset_isOpen.2
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.Bases
{ "line": 1029, "column": 6 }
{ "line": 1029, "column": 47 }
{ "line": 1030, "column": 6 }
[ { "pp": "case a\nα : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\nt' : Set (Set α) := (fun f ↦ ⋂₀ f) '' {f | f.Finite ∧ f ⊆ t}\nthis : IsTopologicalBasis t'\ns' : Set (Set α)\ns't' : s' ⊆ t'\ns'_count : s'.Countable\nhs' : IsTopologicalBasis s'...
[ "case a\nα : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\nt' : Set (Set α) := ⋯\nthis : IsTopologicalBasis t'\ns' : Set (Set α)\ns't' : s' ⊆ t'\ns'_count : s'.Countable\nhs' : IsTopologicalBasis s'\nf : Set α → Set (Set α)\nf_fin : ∀ u ∈ s', (f u)....
apply le_generateFrom_iff_subset_isOpen.2
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.Compactness.Compact
{ "line": 879, "column": 2 }
{ "line": 879, "column": 15 }
{ "line": 879, "column": 15 }
[ { "pp": "X : Type u\nY : Type v\nι : Type u_1\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ns t : Set X\nf : X → Y\ninst✝ : NoncompactSpace X\ni✝ : Set X\nhs : IsCompact i✝\n⊢ i✝ᶜ.Nonempty", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Compl.compl", "Set.instComp...
[ "X : Type u\nY : Type v\nι : Type u_1\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ns t : Set X\nf : X → Y\ninst✝ : NoncompactSpace X\ni✝ : Set X\nhs : ¬i✝ᶜ.Nonempty\n⊢ ¬IsCompact i✝" ]
contrapose hs
Mathlib.Tactic.Contrapose._aux_Mathlib_Tactic_Contrapose___macroRules_Mathlib_Tactic_Contrapose_contrapose_1
Mathlib.Tactic.Contrapose.contrapose
Mathlib.Topology.Compactness.Compact
{ "line": 899, "column": 30 }
{ "line": 899, "column": 96 }
{ "line": 902, "column": 0 }
[ { "pp": "X : Type u\nY : Type v\nι : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\ns t : Set X\nf : X → Y\n⊢ (cocompact ℤ).NeBot", "ppTerm": "?m.4", "assigned": true, "usedConstants": [ "congrArg", "Filter.NeBot", "instDiscreteTopologyInt", "instTopologic...
[]
by simp only [Filter.cocompact_eq_cofinite, Filter.cofinite_neBot]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.DiscreteSubset
{ "line": 278, "column": 2 }
{ "line": 278, "column": 68 }
{ "line": 279, "column": 2 }
[ { "pp": "X : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\n⊢ (∀ x ∈ U, (U \\ s)ᶜ ∈ 𝓝[≠] x) ↔ ∀ z ∈ U, ∃ t ∈ 𝓝[≠] z, t ∩ (U \\ s) = ∅", "ppTerm": "?m.30", "assigned": true, "usedConstants": [ "Filter.instMembership", "congrArg", "Compl.compl", "nhdsWithin", "Membe...
[ "X : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nh : ∀ z ∈ U, ∃ t ∈ 𝓝[≠] z, t ∩ (U \\ s) = ∅\nz : X\nhz : z ∈ U\n⊢ (U \\ s)ᶜ ∈ 𝓝[≠] z" ]
refine ⟨fun h z hz ↦ ⟨(U \ s)ᶜ, h z hz, by simp⟩, fun h z hz ↦ ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Separation.Hausdorff
{ "line": 235, "column": 29 }
{ "line": 244, "column": 39 }
{ "line": 246, "column": 0 }
[ { "pp": "X : Type u_3\nY : Type u_4\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : T2Space Y\nf : X → Y\ns : Set X\ninj : InjOn f s\nsc : IsCompact s\nfc : ∀ x ∈ s, ContinuousAt f x\nloc : ∀ x ∈ s, ∃ u ∈ 𝓝 x, InjOn f u\n⊢ ∃ t ∈ 𝓝ˢ s, InjOn f t", "ppTerm": "?m.39", "assigned": true,...
[]
by have : ∀ x ∈ s ×ˢ s, ∀ᶠ y in 𝓝 x, f y.1 = f y.2 → y.1 = y.2 := fun (x, y) ⟨hx, hy⟩ ↦ by rcases eq_or_ne x y with rfl | hne · rcases loc x hx with ⟨u, hu, hf⟩ exact Filter.mem_of_superset (prod_mem_nhds hu hu) <| forall_prod_set.2 hf · suffices ∀ᶠ z in 𝓝 (x, y), f z.1 ≠ f z.2 from this.mono fun ...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Order.OrderClosed
{ "line": 219, "column": 6 }
{ "line": 219, "column": 17 }
{ "line": 219, "column": 17 }
[ { "pp": "α : Type u\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : ClosedIicTopology α\na : α\n⊢ IsOpen[inst✝²] (Ioi a)", "ppTerm": "?m.7", "assigned": true, "usedConstants": [ "Eq.mpr", "Set.Ioi", "congrArg", "Compl.compl", "PartialOrder.toPreorder", ...
[ "α : Type u\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : ClosedIicTopology α\na : α\n⊢ IsOpen[inst✝²] (Iic a)ᶜ" ]
← compl_Iic
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Connected.Basic
{ "line": 132, "column": 2 }
{ "line": 135, "column": 21 }
{ "line": 137, "column": 0 }
[ { "pp": "α : Type u\ninst✝ : TopologicalSpace α\ns t : Set α\nH : (s ∩ t).Nonempty\nHs : IsConnected s\nHt : IsConnected t\n⊢ IsConnected (s ∪ t)", "ppTerm": "?m.12", "assigned": true, "usedConstants": [ "IsPreconnected.union", "IsConnected", "Membership.mem", "Set.mem_of_mem...
[]
rcases H with ⟨x, hx⟩ refine ⟨⟨x, mem_union_left t (mem_of_mem_inter_left hx)⟩, ?_⟩ exact Hs.isPreconnected.union x (mem_of_mem_inter_left hx) (mem_of_mem_inter_right hx) Ht.isPreconnected
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Connected.Basic
{ "line": 132, "column": 2 }
{ "line": 135, "column": 21 }
{ "line": 137, "column": 0 }
[ { "pp": "α : Type u\ninst✝ : TopologicalSpace α\ns t : Set α\nH : (s ∩ t).Nonempty\nHs : IsConnected s\nHt : IsConnected t\n⊢ IsConnected (s ∪ t)", "ppTerm": "?m.12", "assigned": true, "usedConstants": [ "IsPreconnected.union", "IsConnected", "Membership.mem", "Set.mem_of_mem...
[]
rcases H with ⟨x, hx⟩ refine ⟨⟨x, mem_union_left t (mem_of_mem_inter_left hx)⟩, ?_⟩ exact Hs.isPreconnected.union x (mem_of_mem_inter_left hx) (mem_of_mem_inter_right hx) Ht.isPreconnected
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Connected.LocallyConnected
{ "line": 155, "column": 82 }
{ "line": 159, "column": 70 }
{ "line": 161, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nι : Type u_1\nX : ι → Type u_2\ninst✝¹ : TopologicalSpace α\ns t u v : Set α\ninst✝ : LocallyConnectedSpace α\n⊢ DiscreteTopology (ConnectedComponents α)", "ppTerm": "?m.4", "assigned": true, "usedConstants": [ "Iff.mpr", "congrArg", "ConnectedCompo...
[]
by refine discreteTopology_iff_isOpen_singleton.mpr fun c ↦ ?_ obtain ⟨x, rfl⟩ := ConnectedComponents.surjective_coe c simp [← ConnectedComponents.isQuotientMap_coe.isOpen_preimage, connectedComponents_preimage_singleton, isOpen_connectedComponent]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Connected.Basic
{ "line": 332, "column": 6 }
{ "line": 332, "column": 52 }
{ "line": 333, "column": 6 }
[ { "pp": "α : Type u\ninst✝ : TopologicalSpace α\ns : Set α\n⊢ (∀ (t t' : Set α),\n IsClosed[inst✝] t →\n IsClosed[inst✝] t' → s ⊆ t ∪ t' → (s ∩ t).Nonempty → (s ∩ t').Nonempty → (s ∩ (t ∩ t')).Nonempty) →\n IsPreconnected s", "ppTerm": "?m.31", "assigned": true, "usedConstants": [ ...
[ "α : Type u\ninst✝ : TopologicalSpace α\ns : Set α\nh :\n ∀ (t t' : Set α),\n IsClosed[inst✝] t → IsClosed[inst✝] t' → s ⊆ t ∪ t' → (s ∩ t).Nonempty → (s ∩ t').Nonempty → (s ∩ (t ∩ t')).Nonempty\nu v : Set α\nhu : IsOpen[inst✝] u\nhv : IsOpen[inst✝] v\nhuv : s ⊆ u ∪ v\nx : α\nxs : x ∈ s\nxu : x ∈ u\ny : α\nys :...
rintro h u v hu hv huv ⟨x, xs, xu⟩ ⟨y, ys, yv⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRIntro
Lean.Parser.Tactic.rintro
Mathlib.Topology.Connected.Basic
{ "line": 467, "column": 4 }
{ "line": 467, "column": 30 }
{ "line": 468, "column": 4 }
[ { "pp": "case empty\nι : Type u_1\nX : ι → Type u_2\ninst✝ : (i : ι) → TopologicalSpace (X i)\ns : (i : ι) → Set (X i)\nhs : ∀ (i : ι), IsPreconnected (s i)\nu v : Set ((i : ι) → X i)\nuo : IsOpen[Pi.topologicalSpace] u\nvo : IsOpen[Pi.topologicalSpace] v\nhsuv : univ.pi s ⊆ u ∪ v\nf : (i : ι) → X i\nhfs : f ∈ ...
[ "case empty\nι : Type u_1\nX : ι → Type u_2\ninst✝ : (i : ι) → TopologicalSpace (X i)\ns : (i : ι) → Set (X i)\nhs : ∀ (i : ι), IsPreconnected (s i)\nu v : Set ((i : ι) → X i)\nuo : IsOpen[Pi.topologicalSpace] u\nvo : IsOpen[Pi.topologicalSpace] v\nhsuv : univ.pi s ⊆ u ∪ v\nf : (i : ι) → X i\nhfs : f ∈ univ.pi s\nh...
refine ⟨g, hgs, ⟨?_, hgv⟩⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Connected.Clopen
{ "line": 268, "column": 4 }
{ "line": 269, "column": 34 }
{ "line": 271, "column": 0 }
[ { "pp": "case mpr.inr\nα : Type u\ninst✝ : TopologicalSpace α\ns u v : Set α\nhu : IsOpen[inst✝] u\nhv : IsOpen[inst✝] v\nhs : s ⊆ u ∪ v\nhsu : (s ∩ u).Nonempty\nhsv : (s ∩ v).Nonempty\nH : ¬(s ∩ (u ∩ v)).Nonempty\nh : s ⊆ v\n⊢ (s ∩ (u ∩ v)).Nonempty", "ppTerm": "?mpr.inr", "assigned": true, "usedCo...
[]
· rcases hsu with ⟨x, hxs, hxu⟩ exact ⟨x, hxs, ⟨hxu, h hxs⟩⟩
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.Connected.Clopen
{ "line": 324, "column": 4 }
{ "line": 325, "column": 34 }
{ "line": 327, "column": 0 }
[ { "pp": "case mpr.inr\nα : Type u\ninst✝ : TopologicalSpace α\ns u v : Set α\nhu : IsClosed[inst✝] u\nhv : IsClosed[inst✝] v\nhs : s ⊆ u ∪ v\nhsu : (s ∩ u).Nonempty\nhsv : (s ∩ v).Nonempty\nH : ¬(s ∩ (u ∩ v)).Nonempty\nh : s ⊆ v\n⊢ (s ∩ (u ∩ v)).Nonempty", "ppTerm": "?mpr.inr", "assigned": true, "us...
[]
· rcases hsu with ⟨x, hxs, hxu⟩ exact ⟨x, hxs, ⟨hxu, h hxs⟩⟩
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.Connected.TotallyDisconnected
{ "line": 309, "column": 2 }
{ "line": 310, "column": 66 }
{ "line": 312, "column": 0 }
[ { "pp": "α : Type u\ninst✝¹ : TopologicalSpace α\nβ : Type u_3\ninst✝ : TopologicalSpace β\nf : α → β\nhf : IsCoinducing f\n⊢ IsCoinducing ⋯.connectedComponentsMap", "ppTerm": "?m.20", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "ConnectedComponents.mk", "Topol...
[]
rw [← ConnectedComponents.isQuotientMap_coe.isCoinducing.of_comp_iff] exact ConnectedComponents.isQuotientMap_coe.isCoinducing.comp hf
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Connected.TotallyDisconnected
{ "line": 309, "column": 2 }
{ "line": 310, "column": 66 }
{ "line": 312, "column": 0 }
[ { "pp": "α : Type u\ninst✝¹ : TopologicalSpace α\nβ : Type u_3\ninst✝ : TopologicalSpace β\nf : α → β\nhf : IsCoinducing f\n⊢ IsCoinducing ⋯.connectedComponentsMap", "ppTerm": "?m.20", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "ConnectedComponents.mk", "Topol...
[]
rw [← ConnectedComponents.isQuotientMap_coe.isCoinducing.of_comp_iff] exact ConnectedComponents.isQuotientMap_coe.isCoinducing.comp hf
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Compactness.Lindelof
{ "line": 549, "column": 2 }
{ "line": 549, "column": 15 }
{ "line": 550, "column": 2 }
[ { "pp": "X : Type u\nY : Type v\nι : Type u_1\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ns✝ t : Set X\ninst✝ : NonLindelofSpace X\ns : Set X\nhs : IsLindelof s\n⊢ sᶜ.Nonempty", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "Compl.compl", "Set.instCompl", "...
[ "X : Type u\nY : Type v\nι : Type u_1\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ns✝ t : Set X\ninst✝ : NonLindelofSpace X\ns : Set X\nhs : ¬sᶜ.Nonempty\n⊢ ¬IsLindelof s" ]
contrapose hs
Mathlib.Tactic.Contrapose._aux_Mathlib_Tactic_Contrapose___macroRules_Mathlib_Tactic_Contrapose_contrapose_1
Mathlib.Tactic.Contrapose.contrapose
Mathlib.Topology.GDelta.Basic
{ "line": 284, "column": 2 }
{ "line": 284, "column": 29 }
{ "line": 285, "column": 2 }
[ { "pp": "X : Type u_1\nι' : Sort u_4\ninst✝¹ : TopologicalSpace X\ninst✝ : Countable ι'\nf : ι' → Set X\nhs : ∀ (i : ι'), IsMeagre (f i)\n⊢ IsMeagre (⋃ i, f i)", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "Filter.instMembership", "Eq.mpr", "IsMeagre", "congrArg", ...
[ "X : Type u_1\nι' : Sort u_4\ninst✝¹ : TopologicalSpace X\ninst✝ : Countable ι'\nf : ι' → Set X\nhs : ∀ (i : ι'), IsMeagre (f i)\n⊢ ⋂ i, (f i)ᶜ ∈ residual X" ]
rw [IsMeagre, compl_iUnion]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Compactness.Lindelof
{ "line": 763, "column": 4 }
{ "line": 763, "column": 9 }
{ "line": 764, "column": 4 }
[ { "pp": "case inr\nX : Type u\ninst✝² : TopologicalSpace X\ninst✝¹ : HereditarilyLindelofSpace X\nι : Type u_2\ninst✝ : Nonempty ι\nU : ι → Set X\nh : ∀ (i : ι), IsOpen[inst✝²] (U i)\nk : ℕ → ι\nhtc : (range k).Countable\nhtu : ⋃ i ∈ range k, U i = ⋃ i, U i\nt_ne : (range k).Nonempty\n⊢ ∃ k, ⋃ n, U (k n) = ⋃ i,...
[ "case h\nX : Type u\ninst✝² : TopologicalSpace X\ninst✝¹ : HereditarilyLindelofSpace X\nι : Type u_2\ninst✝ : Nonempty ι\nU : ι → Set X\nh : ∀ (i : ι), IsOpen[inst✝²] (U i)\nk : ℕ → ι\nhtc : (range k).Countable\nhtu : ⋃ i ∈ range k, U i = ⋃ i, U i\nt_ne : (range k).Nonempty\n⊢ ⋃ n, U (k n) = ⋃ i, U i" ]
use k
Mathlib.Tactic._aux_Mathlib_Tactic_Use___elabRules_Mathlib_Tactic_useSyntax_1
Mathlib.Tactic.useSyntax
Mathlib.Topology.UniformSpace.Defs
{ "line": 468, "column": 2 }
{ "line": 468, "column": 30 }
{ "line": 469, "column": 2 }
[ { "pp": "β : Type ub\nV W : SetRel β β\nx y z : β\ninst✝ : V.IsSymm\nhx : x ∈ ball z V\nhy : y ∈ ball z W\n⊢ (x, y) ∈ V ○ W", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "congrArg", "Membership.mem", "Eq.mp", "UniformSpace.ball", "UniformSpace.mem_ball_symme...
[ "β : Type ub\nV W : SetRel β β\nx y z : β\ninst✝ : V.IsSymm\nhx : z ∈ ball x V\nhy : y ∈ ball z W\n⊢ (x, y) ∈ V ○ W" ]
rw [mem_ball_symmetry] at hx
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.UniformSpace.Defs
{ "line": 614, "column": 6 }
{ "line": 614, "column": 26 }
{ "line": 614, "column": 27 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\na b : α\n⊢ 𝓝 a ×ˢ 𝓝 b = (𝓤 α).lift fun s ↦ (𝓤 α).lift' fun t ↦ {y | (y, a) ∈ s} ×ˢ {y | (b, y) ∈ t}", "ppTerm": "?m.34", "assigned": true, "usedConstants": [ "Set.instSProd", "Eq.mpr", "SetRel", "SProd.sprod", "congrArg"...
[ "α : Type ua\ninst✝ : UniformSpace α\na b : α\n⊢ ((𝓤 α).lift' fun s ↦ {y | (y, a) ∈ s}) ×ˢ 𝓝 b =\n (𝓤 α).lift fun s ↦ (𝓤 α).lift' fun t ↦ {y | (y, a) ∈ s} ×ˢ {y | (b, y) ∈ t}" ]
nhds_eq_uniformity',
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 95, "column": 2 }
{ "line": 95, "column": 15 }
{ "line": 96, "column": 2 }
[ { "pp": "β : Type v\nu v : UniformSpace β\nF : Filter β\n⊢ Cauchy F ↔ Cauchy F ∧ Cauchy F", "ppTerm": "?m.6", "assigned": true, "usedConstants": [ "UniformSpace", "Cauchy", "id", "instMinUniformSpace", "And", "Iff", "Min.min" ], "usedFVars": [ ...
[ "β : Type v\nu v : UniformSpace β\nF : Filter β\n⊢ F.NeBot ∧ F ×ˢ F ≤ 𝓤 β ↔ (F.NeBot ∧ F ×ˢ F ≤ 𝓤 β) ∧ F.NeBot ∧ F ×ˢ F ≤ 𝓤 β" ]
unfold Cauchy
Lean.Elab.Tactic.evalUnfold
Lean.Parser.Tactic.unfold
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 101, "column": 2 }
{ "line": 101, "column": 15 }
{ "line": 102, "column": 2 }
[ { "pp": "β : Type v\nι : Sort u_1\ninst✝ : Nonempty ι\nu : ι → UniformSpace β\nl : Filter β\n⊢ Cauchy l ↔ ∀ (i : ι), Cauchy l", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "UniformSpace", "iInf", "Cauchy", "id", "Iff", "instInfSetUniformSpace" ], ...
[ "β : Type v\nι : Sort u_1\ninst✝ : Nonempty ι\nu : ι → UniformSpace β\nl : Filter β\n⊢ l.NeBot ∧ l ×ˢ l ≤ 𝓤 β ↔ ∀ (i : ι), l.NeBot ∧ l ×ˢ l ≤ 𝓤 β" ]
unfold Cauchy
Lean.Elab.Tactic.evalUnfold
Lean.Parser.Tactic.unfold
Mathlib.Topology.UniformSpace.UniformConvergence
{ "line": 281, "column": 2 }
{ "line": 281, "column": 20 }
{ "line": 283, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_4\ninst✝¹ : UniformSpace β\nF : ι → α → β\nf : α → β\np : Filter ι\nι' : Type u_5\nα' : Type u_6\nβ' : Type u_7\ninst✝ : UniformSpace β'\nF' : ι' → α' → β'\nf' : α' → β'\np' : Filter ι'\nh : TendstoUniformlyOn F f p univ\nh' : TendstoUniformlyOn F' f' p' univ\n⊢ T...
[]
exact h.prodMap h'
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.UniformSpace.Basic
{ "line": 156, "column": 37 }
{ "line": 156, "column": 51 }
{ "line": 156, "column": 51 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\nd s : SetRel α α\nhd : d ∈ 𝓤 α\ncl_d : Set (α × α) := {p | ∃ x y, (p.1, x) ∈ d ∧ (x, y) ∈ s ∧ (y, p.2) ∈ d}\nx✝ : α × α\nx y : α\nhp : (x, y) ∈ s\n⊢ cl_d ∈ (𝓤 α).lift' fun s ↦ {y | (y, x) ∈ s} ×ˢ {y_1 | (y, y_1) ∈ s}", "ppTerm": "?m.119", "assigned": true,...
[ "α : Type ua\ninst✝ : UniformSpace α\nd s : SetRel α α\nhd : d ∈ 𝓤 α\ncl_d : Set (α × α) := {p | ∃ x y, (p.1, x) ∈ d ∧ (x, y) ∈ s ∧ (y, p.2) ∈ d}\nx✝ : α × α\nx y : α\nhp : (x, y) ∈ s\n⊢ ∃ t ∈ 𝓤 α, {y | (y, x) ∈ t} ×ˢ {y_1 | (y, y_1) ∈ t} ⊆ cl_d", "case hh\nα : Type ua\ninst✝ : UniformSpace α\nd s : SetRel α α\...
mem_lift'_sets
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.UniformSpace.Basic
{ "line": 260, "column": 62 }
{ "line": 268, "column": 22 }
{ "line": 270, "column": 0 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\ns : Set α\n⊢ IsOpen[inst✝.toTopologicalSpace] s ↔ ∀ x ∈ s, ∃ V ∈ 𝓤 α, IsOpen[instTopologicalSpaceProd] V ∧ ball x V ⊆ s", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "Filter.instMembership", "Eq.mpr", "interior_subset", ...
[]
by rw [isOpen_iff_ball_subset] constructor <;> intro h x hx · obtain ⟨V, hV, hV'⟩ := h x hx exact ⟨interior V, interior_mem_uniformity hV, isOpen_interior, (ball_mono interior_subset x).trans hV'⟩ · obtain ⟨V, hV, -, hV'⟩ := h x hx exact ⟨V, hV, hV'⟩
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.UniformSpace.UniformEmbedding
{ "line": 264, "column": 62 }
{ "line": 264, "column": 89 }
{ "line": 264, "column": 89 }
[ { "pp": "α : Type u\nβ : Type v\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\nm : α → β\ns : Set α\nhm : IsUniformInducing m\nfact1 : SurjOn (map m) (Iic (𝓟 s)) (Iic (𝓟 (m '' s)))\nfact2 : MapsTo (map m) (Iic (𝓟 s)) (Iic (𝓟 (m '' s)))\n⊢ (∀ x ∈ Iic (𝓟 s), Cauchy x → ∃ x_1 ∈ s, x ≤ comap m (𝓝 (m x_1)))...
[]
hm.isInducing.nhds_eq_comap
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 644, "column": 54 }
{ "line": 645, "column": 87 }
{ "line": 647, "column": 0 }
[ { "pp": "α : Type u\nuniformSpace : UniformSpace α\na : α\ns : Set α\n⊢ TotallyBounded (insert a s) ↔ TotallyBounded s", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "Eq.mpr", "TotallyBounded", "congrArg", "Set.instUnion", "Set.instSingletonSet", "id", ...
[]
by simp_rw [← singleton_union, totallyBounded_union, totallyBounded_singleton, true_and]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 690, "column": 4 }
{ "line": 690, "column": 16 }
{ "line": 691, "column": 4 }
[ { "pp": "case mpr\nα : Type u\nuniformSpace : UniformSpace α\ng : Filter α\n⊢ (∀ (f : Filter α), f.NeBot → f ≤ g → ∃ c ≤ f, Cauchy c) → g.TotallyBounded", "ppTerm": "?mpr", "assigned": true, "usedConstants": [ "Filter.instMembership", "Cauchy", "SetRel", "Filter.NeBot", ...
[ "case mpr\nα : Type u\nuniformSpace : UniformSpace α\ng : Filter α\nH : ∀ (f : Filter α), f.NeBot → f ≤ g → ∃ c ≤ f, Cauchy c\nd : SetRel α α\nhd : d ∈ 𝓤 α\n⊢ ∃ t, t.Finite ∧ d.preimage t ∈ g" ]
intro H d hd
Lean.Elab.Tactic.evalIntro
Lean.Parser.Tactic.intro
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 698, "column": 4 }
{ "line": 698, "column": 45 }
{ "line": 699, "column": 4 }
[ { "pp": "case mpr\nα : Type u\nuniformSpace : UniformSpace α\ng : Filter α\nd : SetRel α α\nhd : d ∈ 𝓤 α\nhd_cover : ∀ (t : Set α), t.Finite → d.preimage t ∉ g\nf : Filter α := ⨅ t, g ⊓ 𝓟 (d.preimage ↑t)ᶜ\nhb : Antitone fun t ↦ g ⊓ 𝓟 (d.preimage ↑t)ᶜ\nthis : f.NeBot\n⊢ ∃ f, f.NeBot ∧ f ≤ g ∧ ∀ c ≤ f, ¬Cauchy...
[ "case mpr\nα : Type u\nuniformSpace : UniformSpace α\ng : Filter α\nd : SetRel α α\nhd : d ∈ 𝓤 α\nhd_cover : ∀ (t : Set α), t.Finite → d.preimage t ∉ g\nf : Filter α := ⨅ t, g ⊓ 𝓟 (d.preimage ↑t)ᶜ\nhb : Antitone fun t ↦ g ⊓ 𝓟 (d.preimage ↑t)ᶜ\nthis✝ : f.NeBot\nthis : f ≤ g\n⊢ ∃ f, f.NeBot ∧ f ≤ g ∧ ∀ c ≤ f, ¬Cau...
have : f ≤ g := iInf_le_of_le ∅ (by simp)
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Topology.UniformSpace.UniformConvergence
{ "line": 544, "column": 43 }
{ "line": 544, "column": 57 }
{ "line": 544, "column": 57 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_4\ninst✝¹ : UniformSpace β\nF : ι → α → β\ns : Set α\np : Filter ι\nι' : Type u_5\nα' : Type u_6\nβ' : Type u_7\ninst✝ : UniformSpace β'\nF' : ι' → α' → β'\np' : Filter ι'\ns' : Set α'\nh : UniformCauchySeqOn F p s\nh' : UniformCauchySeqOn F' p' s'\nu : Set ((β × ...
[ "α : Type u_1\nβ : Type u_2\nι : Type u_4\ninst✝¹ : UniformSpace β\nF : ι → α → β\ns : Set α\np : Filter ι\nι' : Type u_5\nα' : Type u_6\nβ' : Type u_7\ninst✝ : UniformSpace β'\nF' : ι' → α' → β'\np' : Filter ι'\ns' : Set α'\nh : UniformCauchySeqOn F p s\nh' : UniformCauchySeqOn F' p' s'\nu : Set ((β × β') × β × β'...
Prod.map_apply
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 901, "column": 4 }
{ "line": 901, "column": 32 }
{ "line": 902, "column": 4 }
[ { "pp": "case refine_2\nα : Type u\nuniformSpace : UniformSpace α\ninst✝ : (𝓤 α).IsCountablyGenerated\nU : ℕ → SetRel α α\nU_mem : ∀ (n : ℕ), U n ∈ 𝓤 α\nHU : ∀ (u : ℕ → α), (∀ (N m n : ℕ), N ≤ m → N ≤ n → (u m, u n) ∈ U N) → ∃ a, Tendsto u atTop (𝓝 a)\nU' : ℕ → Set (α × α)\nhU' : ∀ {s : Set (α × α)}, s ∈ 𝓤 ...
[ "case refine_2\nα : Type u\nuniformSpace : UniformSpace α\ninst✝ : (𝓤 α).IsCountablyGenerated\nU : ℕ → SetRel α α\nU_mem : ∀ (n : ℕ), U n ∈ 𝓤 α\nHU : ∀ (u : ℕ → α), (∀ (N m n : ℕ), N ≤ m → N ≤ n → (u m, u n) ∈ U N) → ∃ a, Tendsto u atTop (𝓝 a)\nU' : ℕ → Set (α × α)\nhU' : ∀ {s : Set (α × α)}, s ∈ 𝓤 α ↔ ∃ i, U' ...
rcases hU'.1 hs with ⟨N, hN⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRCases
Lean.Parser.Tactic.rcases
Mathlib.Topology.UniformSpace.UniformApproximation
{ "line": 62, "column": 24 }
{ "line": 65, "column": 76 }
{ "line": 67, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : UniformSpace β\nf : α → β\nx : α\nL : ∀ u ∈ 𝓤 β, ∃ t ∈ 𝓝 x, ∃ F, ContinuousAt F x ∧ ∀ y ∈ t, (f y, F y) ∈ u\n⊢ ContinuousAt f x", "ppTerm": "?m.39", "assigned": true, "usedConstants": [ "Filter.instMembership", "...
[]
by rw [← continuousWithinAt_univ] apply continuousWithinAt_of_locally_uniform_approx_of_continuousWithinAt (mem_univ _) _ simpa only [exists_prop, nhdsWithin_univ, continuousWithinAt_univ] using L
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.UniformSpace.HeineCantor
{ "line": 84, "column": 28 }
{ "line": 84, "column": 44 }
{ "line": 85, "column": 4 }
[ { "pp": "case pos\nα : Type u_1\nβ : Type u_2\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\nf : α → β\nx : β\nh_cont : Continuous[inst✝¹.toTopologicalSpace, inst✝.toTopologicalSpace] f\nhx : Tendsto f (cocompact α) (𝓝 x)\nr : Set (β × β)\nhr : r ∈ 𝓤 β\nt : Set (β × β)\nht : t ∈ 𝓤 β\nhtsymm : SetRel.IsSym...
[]
exact (h.2 h₂).2
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.UniformSpace.HeineCantor
{ "line": 84, "column": 28 }
{ "line": 84, "column": 44 }
{ "line": 85, "column": 4 }
[ { "pp": "case pos\nα : Type u_1\nβ : Type u_2\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\nf : α → β\nx : β\nh_cont : Continuous[inst✝¹.toTopologicalSpace, inst✝.toTopologicalSpace] f\nhx : Tendsto f (cocompact α) (𝓝 x)\nr : Set (β × β)\nhr : r ∈ 𝓤 β\nt : Set (β × β)\nht : t ∈ 𝓤 β\nhtsymm : SetRel.IsSym...
[]
exact (h.2 h₂).2
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.HeineCantor
{ "line": 84, "column": 28 }
{ "line": 84, "column": 44 }
{ "line": 85, "column": 4 }
[ { "pp": "case pos\nα : Type u_1\nβ : Type u_2\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\nf : α → β\nx : β\nh_cont : Continuous[inst✝¹.toTopologicalSpace, inst✝.toTopologicalSpace] f\nhx : Tendsto f (cocompact α) (𝓝 x)\nr : Set (β × β)\nhr : r ∈ 𝓤 β\nt : Set (β × β)\nht : t ∈ 𝓤 β\nhtsymm : SetRel.IsSym...
[]
exact (h.2 h₂).2
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Equicontinuity
{ "line": 534, "column": 2 }
{ "line": 534, "column": 82 }
{ "line": 535, "column": 2 }
[ { "pp": "ι : Type u_1\nα : Type u_6\nβ : Type u_8\nuα : UniformSpace α\nuβ : UniformSpace β\nF : ι → β → α\nS : Set β\n⊢ UniformEquicontinuousOn F S ↔ UniformContinuousOn (⇑ofFun ∘ swap F) S", "ppTerm": "?m.19", "assigned": true, "usedConstants": [ "Filter.instMembership", "Set.instSProd...
[ "ι : Type u_1\nα : Type u_6\nβ : Type u_8\nuα : UniformSpace α\nuβ : UniformSpace β\nF : ι → β → α\nS : Set β\n⊢ UniformEquicontinuousOn F S ↔\n ∀ i ∈ 𝓤 α, ∀ᶠ (x : β × β) in 𝓤 β ⊓ 𝓟 (S ×ˢ S), ((⇑ofFun ∘ swap F) x.1, (⇑ofFun ∘ swap F) x.2) ∈ UniformFun.gen ι α i" ]
rw [UniformContinuousOn, (UniformFun.hasBasis_uniformity ι α).tendsto_right_iff]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.UniformSpace.UniformConvergenceTopology
{ "line": 825, "column": 2 }
{ "line": 825, "column": 36 }
{ "line": 826, "column": 2 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝ : UniformSpace β\n𝔖 𝔗 : Set (Set α)\nh : ∀ s ∈ 𝔖, ∃ T ⊆ 𝔗, T.Finite ∧ s ⊆ ⋃₀ T\nV : Set (β × β)\nhV : V ∈ 𝓤 β\ns : Set α\nhs : s ∈ 𝔖\n⊢ ∃ I,\n I.Finite ∧\n (∀ i ∈ I, i ∈ 𝔗) ∧\n ⋂ i ∈ I, UniformOnFun.gen 𝔗 i V ⊆\n {x | ((⇑(ofFun 𝔗) ∘ ⇑(t...
[ "α : Type u_1\nβ : Type u_2\ninst✝ : UniformSpace β\n𝔖 𝔗 : Set (Set α)\nh : ∀ s ∈ 𝔖, ∃ T ⊆ 𝔗, T.Finite ∧ s ⊆ ⋃₀ T\nV : Set (β × β)\nhV : V ∈ 𝓤 β\ns : Set α\nhs : s ∈ 𝔖\nT : Set (Set α)\nhT𝔗 : T ⊆ 𝔗\nhT : T.Finite\nhsT : s ⊆ ⋃₀ T\n⊢ ∃ I,\n I.Finite ∧\n (∀ i ∈ I, i ∈ 𝔗) ∧\n ⋂ i ∈ I, UniformOnF...
obtain ⟨T, hT𝔗, hT, hsT⟩ := h s hs
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalObtain
Lean.Parser.Tactic.obtain
Mathlib.Topology.UniformSpace.UniformConvergenceTopology
{ "line": 1048, "column": 13 }
{ "line": 1048, "column": 74 }
{ "line": 1048, "column": 75 }
[ { "pp": "case h\nα : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Type u_4\ns : Set α\np : Filter ι\ninst✝¹ : UniformSpace β\n𝔖 : Set (Set α)\ninst✝ : CompleteSpace β\nh✝ : Nonempty β\nF : Filter (α →ᵤ[𝔖] β)\nhF : Cauchy F\nthis : F.NeBot\ng : α → β\nhg : ∀ x ∈ ⋃₀ 𝔖, Tendsto (fun x_1 ↦ (toFun 𝔖) x_1 x) F (𝓝 (...
[ "case h\nα : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Type u_4\ns : Set α\np : Filter ι\ninst✝¹ : UniformSpace β\n𝔖 : Set (Set α)\ninst✝ : CompleteSpace β\nh✝ : Nonempty β\nF : Filter (α →ᵤ[𝔖] β)\nhF : Cauchy F\nthis : F.NeBot\ng : α → β\nhg : ∀ x ∈ ⋃₀ 𝔖, Tendsto (fun x_1 ↦ (toFun 𝔖) x_1 x) F (𝓝 (g x))\n⊢ F ≤...
UniformOnFun.nhds_eq_of_basis _ _ uniformity_hasBasis_closed,
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Order.Filter.NAry
{ "line": 144, "column": 69 }
{ "line": 144, "column": 79 }
{ "line": 144, "column": 80 }
[ { "pp": "α : Type u_1\nβ : Type u_3\nf : Filter α\ng : Filter β\ninst✝ : f.NeBot\n⊢ map₂ (fun x y ↦ y) f g = g", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "id", "Filter.map₂_swap", "Filter.map₂", "Eq", "Filter" ], "...
[ "α : Type u_1\nβ : Type u_3\nf : Filter α\ng : Filter β\ninst✝ : f.NeBot\n⊢ map₂ (fun a b ↦ a) g f = g" ]
map₂_swap,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Order.Filter.NAry
{ "line": 156, "column": 6 }
{ "line": 156, "column": 16 }
{ "line": 156, "column": 17 }
[ { "pp": "α : Type u_1\nβ : Type u_3\nγ : Type u_5\nδ : Type u_7\nf : Filter α\ng : Filter β\nm : α → γ → δ\nn : β → γ\n⊢ map₂ m f (map n g) = map₂ (fun a b ↦ m a (n b)) f g", "ppTerm": "?m.12", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "Filter.map", "id", ...
[ "α : Type u_1\nβ : Type u_3\nγ : Type u_5\nδ : Type u_7\nf : Filter α\ng : Filter β\nm : α → γ → δ\nn : β → γ\n⊢ map₂ (fun a b ↦ m b a) (map n g) f = map₂ (fun a b ↦ m a (n b)) f g" ]
map₂_swap,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.ContinuousMap.Basic
{ "line": 480, "column": 40 }
{ "line": 480, "column": 76 }
{ "line": 480, "column": 76 }
[ { "pp": "X : Type u_1\nY : Type u_2\nZ : Type u_3\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : C(X, Y)\nhf : IsQuotientMap ⇑f\ng✝ : C(X, Z)\nh✝ : FactorsThrough ⇑g✝ ⇑f\ng : C(Y, Z)\nx✝¹ x✝ : X\nh : f x✝¹ = f x✝\n⊢ (g.comp f) x✝¹ = (g.comp f) x✝", "ppTerm": "?m.5...
[ "X : Type u_1\nY : Type u_2\nZ : Type u_3\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : C(X, Y)\nhf : IsQuotientMap ⇑f\ng✝ : C(X, Z)\nh✝ : FactorsThrough ⇑g✝ ⇑f\ng : C(Y, Z)\nx✝¹ x✝ : X\nh : f x✝¹ = f x✝\n⊢ g (f x✝¹) = g (f x✝)" ]
simp only [ContinuousMap.comp_apply]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 198, "column": 2 }
{ "line": 198, "column": 24 }
{ "line": 200, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ a * x) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 198, "column": 2 }
{ "line": 198, "column": 24 }
{ "line": 200, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ a * x) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 198, "column": 2 }
{ "line": 198, "column": 24 }
{ "line": 200, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ a * x) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 234, "column": 2 }
{ "line": 234, "column": 24 }
{ "line": 236, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ x * a) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 234, "column": 2 }
{ "line": 234, "column": 24 }
{ "line": 236, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ x * a) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 234, "column": 2 }
{ "line": 234, "column": 24 }
{ "line": 236, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : CommGroup α\ninst✝¹ : PartialOrder α\ninst✝ : IsOrderedMonoid α\na b c : α\n⊢ (fun x ↦ x * a) ⁻¹' Icc b c = Icc (b / a) (c / a)", "ppTerm": "?m.23", "assigned": true, "usedConstants": [ "instHDiv", "HMul.hMul", "Set.Ici", "Monoid.toMulOneClass"...
[]
simp [← Ici_inter_Iic]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 851, "column": 11 }
{ "line": 851, "column": 64 }
{ "line": 853, "column": 0 }
[ { "pp": "case h.inr\nα : Type u_1\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\na : α\nhb✝ : a ≠ 0\nU V : Set α\nhV : V = (fun x ↦ a * x) ⁻¹' U\naU : α\nhaU : U = Iio aU\nhb : 0 < a\n⊢ (fun x ↦ a * x) ⁻¹' Iio aU = Iio (a⁻¹ * aU)", "ppTerm": "?h.inr", "assigned": true, "us...
[]
rw [Set.preimage_const_mul_Iio₀ _ hb, div_eq_inv_mul]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 893, "column": 19 }
{ "line": 893, "column": 41 }
{ "line": 893, "column": 41 }
[ { "pp": "α : Type u_2\ninst✝³ : Monoid α\ninst✝² : Preorder α\ninst✝¹ : CanonicallyOrderedMul α\ninst✝ : MulRightMono α\na b c : α\nc_in : c ∈ Ici (a * b)\nd : α\nhd : c = a * b * d\n⊢ b * d ∈ Ici b ∧ a * (b * d) = c", "ppTerm": "?m.79", "assigned": true, "usedConstants": [ "Semigroup.toMul", ...
[]
simp [← mul_assoc, hd]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 893, "column": 19 }
{ "line": 893, "column": 41 }
{ "line": 893, "column": 41 }
[ { "pp": "α : Type u_2\ninst✝³ : Monoid α\ninst✝² : Preorder α\ninst✝¹ : CanonicallyOrderedMul α\ninst✝ : MulRightMono α\na b c : α\nc_in : c ∈ Ici (a * b)\nd : α\nhd : c = a * b * d\n⊢ b * d ∈ Ici b ∧ a * (b * d) = c", "ppTerm": "?m.79", "assigned": true, "usedConstants": [ "Semigroup.toMul", ...
[]
simp [← mul_assoc, hd]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Order.Group.Pointwise.Interval
{ "line": 893, "column": 19 }
{ "line": 893, "column": 41 }
{ "line": 893, "column": 41 }
[ { "pp": "α : Type u_2\ninst✝³ : Monoid α\ninst✝² : Preorder α\ninst✝¹ : CanonicallyOrderedMul α\ninst✝ : MulRightMono α\na b c : α\nc_in : c ∈ Ici (a * b)\nd : α\nhd : c = a * b * d\n⊢ b * d ∈ Ici b ∧ a * (b * d) = c", "ppTerm": "?m.79", "assigned": true, "usedConstants": [ "Semigroup.toMul", ...
[]
simp [← mul_assoc, hd]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Maps.Proper.Basic
{ "line": 248, "column": 8 }
{ "line": 248, "column": 37 }
{ "line": 248, "column": 37 }
[ { "pp": "case mpr\nX : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\nH : Continuous[inst✝¹, inst✝] f ∧ IsClosedMap f ∧ ∀ (y : Y), IsCompact (f ⁻¹' {y})\nℱ : Filter X\ny : Y\nhy : (ℱ.lift' closure[inst✝¹] ⊓ 𝓟 (f ⁻¹' {y})).NeBot\nx : X\nhxy : x ∈ f ⁻¹' {y}\nhx : Clus...
[ "case mpr\nX : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\nH : Continuous[inst✝¹, inst✝] f ∧ IsClosedMap f ∧ ∀ (y : Y), IsCompact (f ⁻¹' {y})\nℱ : Filter X\ny : Y\nhy : (ℱ.lift' closure[inst✝¹] ⊓ 𝓟 (f ⁻¹' {y})).NeBot\nx : X\nhxy : x ∈ f ⁻¹' {y}\nhx : ClusterPt x (ℱ.l...
← clusterPt_lift'_closure_iff
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Order.Filter.AtTopBot.Group
{ "line": 150, "column": 2 }
{ "line": 152, "column": 82 }
{ "line": 153, "column": 2 }
[ { "pp": "G : Type u_2\ninst✝² : CommGroup G\ninst✝¹ : LinearOrder G\ninst✝ : IsOrderedMonoid G\n⊢ comap mabs atTop = atBot ⊔ atTop", "ppTerm": "?m.17", "assigned": true, "usedConstants": [ "Iff.mpr", "Filter.Tendsto.le_comap", "Filter.atTop_basis", "Lattice.toSemilatticeSup",...
[ "G : Type u_2\ninst✝² : CommGroup G\ninst✝¹ : LinearOrder G\ninst✝ : IsOrderedMonoid G\n⊢ ∀ (i' : G × G), True ∧ True → ∃ i, True ∧ mabs ⁻¹' Ici i ⊆ Iic i'.1 ∪ Ici i'.2" ]
refine le_antisymm (((atTop_basis.comap _).le_basis_iff (atBot_basis.sup atTop_basis)).2 ?_) (sup_le tendsto_mabs_atBot_atTop.le_comap tendsto_mabs_atTop_atTop.le_comap)
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Algebra.Group.Basic
{ "line": 727, "column": 4 }
{ "line": 727, "column": 67 }
{ "line": 728, "column": 2 }
[ { "pp": "G : Type u_1\ninst✝² : TopologicalSpace G\ninst✝¹ : MulOneClass G\ninst✝ : ContinuousMul G\ng h : G\nhg : g ∈ connectedComponent 1\nhh : h ∈ connectedComponent 1\n⊢ g ∈ (fun x ↦ g * x) '' connectedComponent 1", "ppTerm": "?m.64", "assigned": true, "usedConstants": [ "MulOne.toOne", ...
[]
exact ⟨(1 : G), mem_connectedComponent, by simp only [mul_one]⟩
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Order.LeftRightNhds
{ "line": 94, "column": 2 }
{ "line": 98, "column": 75 }
{ "line": 100, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : OrderTopology α\na : α\n⊢ 𝓝[>] a = ⊥ ↔ IsTop a ∨ ∃ b, a ⋖ b", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "Eq.mpr", "False", "Set.Ioi", "Preorder.toLT", "Lattice.toSemilatti...
[]
by_cases ha : IsTop a · simp [ha, ha.isMax.Ioi_eq] · simp only [ha, false_or] rw [isTop_iff_isMax, not_isMax_iff] at ha simp only [(nhdsGT_basis_of_exists_gt ha).eq_bot_iff, covBy_iff_Ioo_eq]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Order.LeftRightNhds
{ "line": 94, "column": 2 }
{ "line": 98, "column": 75 }
{ "line": 100, "column": 0 }
[ { "pp": "α : Type u_1\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : OrderTopology α\na : α\n⊢ 𝓝[>] a = ⊥ ↔ IsTop a ∨ ∃ b, a ⋖ b", "ppTerm": "?m.16", "assigned": true, "usedConstants": [ "Eq.mpr", "False", "Set.Ioi", "Preorder.toLT", "Lattice.toSemilatti...
[]
by_cases ha : IsTop a · simp [ha, ha.isMax.Ioi_eq] · simp only [ha, false_or] rw [isTop_iff_isMax, not_isMax_iff] at ha simp only [(nhdsGT_basis_of_exists_gt ha).eq_bot_iff, covBy_iff_Ioo_eq]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 390, "column": 4 }
{ "line": 390, "column": 93 }
{ "line": 391, "column": 2 }
[ { "pp": "case inl\nα : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\ninst✝¹ : (i : α) → Decidable (i ∈ s)\ninst✝ : (i : β) → Decidable (i ∈ t)\nh : e.IsImage s t\nh' : e'.IsImage s t\nx : α\nhe : x ∈ e.source\nhs : x ∈ s\n⊢ t.piecewise (↑e.symm) (↑e'.symm) (s.piecewi...
[]
rw [piecewise_eq_of_mem _ _ _ hs, piecewise_eq_of_mem _ _ _ ((h he).2 hs), e.left_inv he]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 390, "column": 4 }
{ "line": 390, "column": 93 }
{ "line": 391, "column": 2 }
[ { "pp": "case inl\nα : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\ninst✝¹ : (i : α) → Decidable (i ∈ s)\ninst✝ : (i : β) → Decidable (i ∈ t)\nh : e.IsImage s t\nh' : e'.IsImage s t\nx : α\nhe : x ∈ e.source\nhs : x ∈ s\n⊢ t.piecewise (↑e.symm) (↑e'.symm) (s.piecewi...
[]
rw [piecewise_eq_of_mem _ _ _ hs, piecewise_eq_of_mem _ _ _ ((h he).2 hs), e.left_inv he]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 390, "column": 4 }
{ "line": 390, "column": 93 }
{ "line": 391, "column": 2 }
[ { "pp": "case inl\nα : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\ninst✝¹ : (i : α) → Decidable (i ∈ s)\ninst✝ : (i : β) → Decidable (i ∈ t)\nh : e.IsImage s t\nh' : e'.IsImage s t\nx : α\nhe : x ∈ e.source\nhs : x ∈ s\n⊢ t.piecewise (↑e.symm) (↑e'.symm) (s.piecewi...
[]
rw [piecewise_eq_of_mem _ _ _ hs, piecewise_eq_of_mem _ _ _ ((h he).2 hs), e.left_inv he]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 396, "column": 39 }
{ "line": 396, "column": 91 }
{ "line": 398, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\nh : e.IsImage s t\nh' : e'.IsImage s t\nhs : e.source ∩ s = e'.source ∩ s\nheq : EqOn (↑e) (↑e') (e.source ∩ s)\n⊢ e.target ∩ t = e'.target ∩ t", "ppTerm": "?m.31", "assigned": true, "usedConstant...
[]
rw [← h.image_eq, ← h'.image_eq, ← hs, heq.image_eq]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 396, "column": 39 }
{ "line": 396, "column": 91 }
{ "line": 398, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\nh : e.IsImage s t\nh' : e'.IsImage s t\nhs : e.source ∩ s = e'.source ∩ s\nheq : EqOn (↑e) (↑e') (e.source ∩ s)\n⊢ e.target ∩ t = e'.target ∩ t", "ppTerm": "?m.31", "assigned": true, "usedConstant...
[]
rw [← h.image_eq, ← h'.image_eq, ← hs, heq.image_eq]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Logic.Equiv.PartialEquiv
{ "line": 396, "column": 39 }
{ "line": 396, "column": 91 }
{ "line": 398, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ne : PartialEquiv α β\ns : Set α\nt : Set β\ne' : PartialEquiv α β\nh : e.IsImage s t\nh' : e'.IsImage s t\nhs : e.source ∩ s = e'.source ∩ s\nheq : EqOn (↑e) (↑e') (e.source ∩ s)\n⊢ e.target ∩ t = e'.target ∩ t", "ppTerm": "?m.31", "assigned": true, "usedConstant...
[]
rw [← h.image_eq, ← h'.image_eq, ← hs, heq.image_eq]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Order.Basic
{ "line": 132, "column": 69 }
{ "line": 132, "column": 77 }
{ "line": 132, "column": 78 }
[ { "pp": "α : Type u\nts : TopologicalSpace α\ninst✝¹ : Preorder α\ninst✝ : OrderTopology α\na : α\n⊢ ⨅ s, ⨅ (_ : (∃ x, s = Ioi x) ∧ a ∈ s ∨ (∃ x, s = Iio x) ∧ a ∈ s), 𝓟 s =\n (⨅ b ∈ Iio a, 𝓟 (Ioi b)) ⊓ ⨅ b ∈ Ioi a, 𝓟 (Iio b)", "ppTerm": "?m.53", "assigned": true, "usedConstants": [ "Eq.m...
[ "α : Type u\nts : TopologicalSpace α\ninst✝¹ : Preorder α\ninst✝ : OrderTopology α\na : α\n⊢ ⨅ s, (⨅ (_ : (∃ x, s = Ioi x) ∧ a ∈ s), 𝓟 s) ⊓ ⨅ (_ : (∃ x, s = Iio x) ∧ a ∈ s), 𝓟 s =\n (⨅ b ∈ Iio a, 𝓟 (Ioi b)) ⊓ ⨅ b ∈ Ioi a, 𝓟 (Iio b)" ]
iInf_or,
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.Order.Basic
{ "line": 171, "column": 4 }
{ "line": 171, "column": 45 }
{ "line": 172, "column": 4 }
[ { "pp": "case inr.a\nα : Type u\nts : TopologicalSpace α\ninst✝² : Preorder α\ninst✝¹ : OrderTopology α\ninst✝ : SecondCountableTopology α\nhα : Nonempty α\nt : Set (Set α)\nt_subs : t ⊆ {s | ∃ a, s = Ioi a ∨ s = Iio a}\nt_count : t.Countable\nht : ts = generateFrom t\na : Set α → α\nha : ∀ s ∈ t, s = Ioi (a s)...
[ "case inr.a\nα : Type u\nts : TopologicalSpace α\ninst✝² : Preorder α\ninst✝¹ : OrderTopology α\ninst✝ : SecondCountableTopology α\nhα : Nonempty α\nt : Set (Set α)\nt_subs : t ⊆ {s | ∃ a, s = Ioi a ∨ s = Iio a}\nt_count : t.Countable\nht : ts = generateFrom t\na : Set α → α\nha : ∀ s ∈ t, s = Ioi (a s) ∨ s = Iio (...
apply le_generateFrom_iff_subset_isOpen.2
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.Order.Basic
{ "line": 559, "column": 2 }
{ "line": 561, "column": 39 }
{ "line": 563, "column": 0 }
[ { "pp": "α : Type u\ninst✝⁴ : TopologicalSpace α\ninst✝³ : LinearOrder α\ninst✝² : OrderTopology α\ninst✝¹ : DenselyOrdered α\ninst✝ : SeparableSpace α\n⊢ SecondCountableTopology α", "ppTerm": "?m.6", "assigned": true, "usedConstants": [ "Set.Ioi", "SecondCountableTopology", "Parti...
[]
rcases exists_countable_dense α with ⟨s, hc, hd⟩ refine ⟨⟨_, ?_, hd.topology_eq_generateFrom⟩⟩ exact (hc.image _).union (hc.image _)
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented