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Mathlib.Topology.Compactness.LocallyCompact
{ "line": 118, "column": 4 }
{ "line": 118, "column": 50 }
{ "line": 119, "column": 4 }
[ { "pp": "case refine_2\nX✝ : Type u_1\nY : Type u_2\nι : Type u_3\ninst✝⁴ : TopologicalSpace X✝\ninst✝³ : TopologicalSpace Y\ns✝ t✝ : Set X✝\nX : ι → Type u_4\ninst✝² : (i : ι) → TopologicalSpace (X i)\ninst✝¹ : ∀ (i : ι), LocallyCompactSpace (X i)\ninst✝ : ∀ (i : ι), CompactSpace (X i)\nt : (i : ι) → X i\nn : ...
[ "case refine_3\nX✝ : Type u_1\nY : Type u_2\nι : Type u_3\ninst✝⁴ : TopologicalSpace X✝\ninst✝³ : TopologicalSpace Y\ns✝ t✝ : Set X✝\nX : ι → Type u_4\ninst✝² : (i : ι) → TopologicalSpace (X i)\ninst✝¹ : ∀ (i : ι), LocallyCompactSpace (X i)\ninst✝ : ∀ (i : ι), CompactSpace (X i)\nt : (i : ι) → X i\nn : Set ((i : ι)...
· exact forall₂_imp fun i _ hi' => hsub' i hi'
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.Compactness.LocallyCompact
{ "line": 206, "column": 2 }
{ "line": 206, "column": 45 }
{ "line": 208, "column": 0 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : LocallyCompactSpace Y\nf : X → Y\nhf : IsInducing f\nU Z : Set Y\nhU : IsOpen[inst✝¹] U\nhZ : IsClosed[inst✝¹] Z\nhUZ : range f = U ∩ Z\nthis : ∀ (x : X), (𝓝 x).HasBasis (fun s ↦ (s ∈ 𝓝 (f x) ∧ IsCompact s) ...
[]
exacts [hs.inter_right hZ, hUZ ▸ by gcongr]
Batteries.Tactic._aux_Batteries_Tactic_Init___elabRules_Batteries_Tactic_exacts_1
Batteries.Tactic.exacts
Mathlib.Topology.Bases
{ "line": 1010, "column": 2 }
{ "line": 1038, "column": 13 }
{ "line": 1040, "column": 0 }
[ { "pp": "α : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\n⊢ ∃ s ⊆ t, s.Countable ∧ ts = generateFrom s", "ppTerm": "?m.11", "assigned": true, "usedConstants": [ "Iff.mpr", "Eq.mpr", "congrArg", "Set.ofPred", ...
[]
let t' := (fun f => ⋂₀ f) '' { f : Set (Set α) | f.Finite ∧ f ⊆ t } have : IsTopologicalBasis t' := TopologicalSpace.isTopologicalBasis_of_subbasis ht obtain ⟨s', s't', s'_count, hs'⟩ : ∃ s' ⊆ t', s'.Countable ∧ IsTopologicalBasis s' := this.exists_countable have A : ∀ u ∈ s', ∃ (f : Set (Set α)), f.Finite ∧ ...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Bases
{ "line": 1010, "column": 2 }
{ "line": 1038, "column": 13 }
{ "line": 1040, "column": 0 }
[ { "pp": "α : Type u_1\nts : TopologicalSpace α\ninst✝ : SecondCountableTopology α\nt : Set (Set α)\nht : ts = generateFrom t\n⊢ ∃ s ⊆ t, s.Countable ∧ ts = generateFrom s", "ppTerm": "?m.11", "assigned": true, "usedConstants": [ "Iff.mpr", "Eq.mpr", "congrArg", "Set.ofPred", ...
[]
let t' := (fun f => ⋂₀ f) '' { f : Set (Set α) | f.Finite ∧ f ⊆ t } have : IsTopologicalBasis t' := TopologicalSpace.isTopologicalBasis_of_subbasis ht obtain ⟨s', s't', s'_count, hs'⟩ : ∃ s' ⊆ t', s'.Countable ∧ IsTopologicalBasis s' := this.exists_countable have A : ∀ u ∈ s', ∃ (f : Set (Set α)), f.Finite ∧ ...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Compactness.LocallyFinite
{ "line": 29, "column": 2 }
{ "line": 29, "column": 60 }
{ "line": 30, "column": 2 }
[ { "pp": "X : Type u_1\nι : Type u_2\ninst✝ : TopologicalSpace X\ns : Set X\nf : ι → Set X\nhs : IsCompact s\nU : X → Set X\nhxU : ∀ (x : X), U x ∈ nhds x\nhUf : ∀ (x : X), {i | (f i ∩ U x).Nonempty}.Finite\nt : Finset X\nhsU : s ⊆ ⋃ x ∈ t, U x\n⊢ {i | (f i ∩ s).Nonempty}.Finite", "ppTerm": "?m.47", "ass...
[ "X : Type u_1\nι : Type u_2\ninst✝ : TopologicalSpace X\ns : Set X\nf : ι → Set X\nhs : IsCompact s\nU : X → Set X\nhxU : ∀ (x : X), U x ∈ nhds x\nhUf : ∀ (x : X), {i | (f i ∩ U x).Nonempty}.Finite\nt : Finset X\nhsU : s ⊆ ⋃ x ∈ t, U x\n⊢ {i | (f i ∩ s).Nonempty} ⊆ ⋃ i ∈ ↑t, {i_1 | (f i_1 ∩ U i).Nonempty}" ]
refine (t.finite_toSet.biUnion fun x _ => hUf x).subset ?_
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Compactness.SigmaCompact
{ "line": 124, "column": 60 }
{ "line": 124, "column": 72 }
{ "line": 124, "column": 72 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\ns : Set X\nhf : IsInducing f\nL : ℕ → Set Y\nhcomp : ∀ (n : ℕ), IsCompact (L n)\nhcov : ⋃ n, L n = f '' s\n⊢ ⋃ n, f ⁻¹' L n ∩ s = (⋃ i, f ⁻¹' L i) ∩ s", "ppTerm": "?m.158", "assigned": true, "use...
[ "X : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\ns : Set X\nhf : IsInducing f\nL : ℕ → Set Y\nhcomp : ∀ (n : ℕ), IsCompact (L n)\nhcov : ⋃ n, L n = f '' s\n⊢ ⋃ n, f ⁻¹' L n ∩ s = ⋃ i, f ⁻¹' L i ∩ s" ]
iUnion_inter
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.Set.Subset
{ "line": 58, "column": 2 }
{ "line": 59, "column": 46 }
{ "line": 61, "column": 0 }
[ { "pp": "α : Type u_2\nA : Set α\nS : Set (Set α)\n⊢ A ↓∩ ⋃₀ S = ⋃₀ {x | ∃ B ∈ S, A ↓∩ B = x}", "ppTerm": "?m.22", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "Set.ofPred", "Set.sUnion", "Membership.mem", "Exists", "Set.Elem", "id", ...
[]
rw [← Set.image, sUnion_image] simp_rw [sUnion_eq_biUnion, preimage_iUnion]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Set.Subset
{ "line": 58, "column": 2 }
{ "line": 59, "column": 46 }
{ "line": 61, "column": 0 }
[ { "pp": "α : Type u_2\nA : Set α\nS : Set (Set α)\n⊢ A ↓∩ ⋃₀ S = ⋃₀ {x | ∃ B ∈ S, A ↓∩ B = x}", "ppTerm": "?m.22", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "Set.ofPred", "Set.sUnion", "Membership.mem", "Exists", "Set.Elem", "id", ...
[]
rw [← Set.image, sUnion_image] simp_rw [sUnion_eq_biUnion, preimage_iUnion]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.Set.Subset
{ "line": 69, "column": 2 }
{ "line": 69, "column": 43 }
{ "line": 71, "column": 0 }
[ { "pp": "α : Type u_2\nA : Set α\nS : Set (Set α)\n⊢ A ↓∩ ⋂₀ S = ⋂₀ ((fun x ↦ A ↓∩ x) '' S)", "ppTerm": "?m.17", "assigned": true, "usedConstants": [ "congrArg", "Set.iInter", "Membership.mem", "Set.Elem", "Set.preimage", "congr", "True", "Set.preimage...
[]
simp only [preimage_sInter, sInter_image]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.Set.Subset
{ "line": 69, "column": 2 }
{ "line": 69, "column": 43 }
{ "line": 71, "column": 0 }
[ { "pp": "α : Type u_2\nA : Set α\nS : Set (Set α)\n⊢ A ↓∩ ⋂₀ S = ⋂₀ ((fun x ↦ A ↓∩ x) '' S)", "ppTerm": "?m.17", "assigned": true, "usedConstants": [ "congrArg", "Set.iInter", "Membership.mem", "Set.Elem", "Set.preimage", "congr", "True", "Set.preimage...
[]
simp only [preimage_sInter, sInter_image]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Set.Subset
{ "line": 69, "column": 2 }
{ "line": 69, "column": 43 }
{ "line": 71, "column": 0 }
[ { "pp": "α : Type u_2\nA : Set α\nS : Set (Set α)\n⊢ A ↓∩ ⋂₀ S = ⋂₀ ((fun x ↦ A ↓∩ x) '' S)", "ppTerm": "?m.17", "assigned": true, "usedConstants": [ "congrArg", "Set.iInter", "Membership.mem", "Set.Elem", "Set.preimage", "congr", "True", "Set.preimage...
[]
simp only [preimage_sInter, sInter_image]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Compactness.Compact
{ "line": 526, "column": 2 }
{ "line": 526, "column": 22 }
{ "line": 526, "column": 22 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsCompact s\nht : IsCompact t\n⊢ IsCompact (s ∪ t)", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "cond", "Eq.mpr", "congrArg", "Set.instUnion", "id", "Bool", "Union.union", "...
[ "X : Type u\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsCompact s\nht : IsCompact t\n⊢ IsCompact (⋃ b, bif b then s else t)" ]
rw [union_eq_iUnion]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Compactness.Compact
{ "line": 569, "column": 2 }
{ "line": 570, "column": 60 }
{ "line": 571, "column": 2 }
[ { "pp": "X : Type u\nT : TopologicalSpace X\nS : Set (Set X)\nhTS : T = generateFrom S\ns : Set X\nh : ∀ P ⊆ S, s ⊆ ⋃₀ P → ∃ Q ⊆ P, Q.Finite ∧ s ⊆ ⋃₀ Q\nF : Ultrafilter X\nhsF : s ∈ F\nhF : ¬∃ x ∈ s, ↑F ≤ 𝓝 x\nU : X → Set X\nhxU : ∀ x ∈ s, x ∈ U x\nhSU : ∀ x ∈ s, U x ∈ S\nhUF : ∀ x ∈ s, U x ∉ F\n⊢ False", ...
[ "X : Type u\nT : TopologicalSpace X\nS : Set (Set X)\nhTS : T = generateFrom S\ns : Set X\nh : ∀ P ⊆ S, s ⊆ ⋃₀ P → ∃ Q ⊆ P, Q.Finite ∧ s ⊆ ⋃₀ Q\nF : Ultrafilter X\nhsF : s ∈ F\nhF : ¬∃ x ∈ s, ↑F ≤ 𝓝 x\nU : X → Set X\nhxU : ∀ x ∈ s, x ∈ U x\nhSU : ∀ x ∈ s, U x ∈ S\nhUF : ∀ x ∈ s, U x ∉ F\nQ : Set (Set X)\nhQU : Q ⊆...
obtain ⟨Q, hQU, hQ, hsQ⟩ := h (U '' s) (by simpa [Set.subset_def]) (fun x hx ↦ Set.mem_sUnion_of_mem (hxU _ hx) (by grind))
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalObtain
Lean.Parser.Tactic.obtain
Mathlib.Topology.Compactness.Compact
{ "line": 1009, "column": 2 }
{ "line": 1010, "column": 55 }
{ "line": 1012, "column": 0 }
[ { "pp": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\nhf : IsInducing f\nhf' : IsClosed[inst✝] (range f)\nK : Set Y\nhK : IsCompact K\n⊢ IsCompact (f ⁻¹' K)", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", ...
[]
replace hK := hK.inter_right hf' rwa [hf.isCompact_iff, image_preimage_eq_inter_range]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Compactness.Compact
{ "line": 1009, "column": 2 }
{ "line": 1010, "column": 55 }
{ "line": 1012, "column": 0 }
[ { "pp": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\nhf : IsInducing f\nhf' : IsClosed[inst✝] (range f)\nK : Set Y\nhK : IsCompact K\n⊢ IsCompact (f ⁻¹' K)", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", ...
[]
replace hK := hK.inter_right hf' rwa [hf.isCompact_iff, image_preimage_eq_inter_range]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Separation.Hausdorff
{ "line": 388, "column": 2 }
{ "line": 388, "column": 65 }
{ "line": 390, "column": 0 }
[ { "pp": "case inr.inr\nX : Type u_1\nY : Type u_2\ninst✝³ : TopologicalSpace X\ninst✝² : T2Space X\ninst✝¹ : TopologicalSpace Y\ninst✝ : T2Space Y\nx y : Y\nh : Sum.inr x ≠ Sum.inr y\n⊢ ∃ u v,\n IsOpen[instTopologicalSpaceSum] u ∧ IsOpen[instTopologicalSpaceSum] v ∧ Sum.inr x ∈ u ∧ Sum.inr y ∈ v ∧ Disjoint u...
[]
· exact separated_by_isOpenEmbedding .inr <| ne_of_apply_ne _ h
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.DiscreteSubset
{ "line": 324, "column": 4 }
{ "line": 324, "column": 27 }
{ "line": 325, "column": 4 }
[ { "pp": "case right\nX : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : T1Space X\ns U : Set X\nh : ∀ z ∈ U, ∃ t ∈ 𝓝[≠] z, t ∩ (U \\ s) = ∅\nz : X\nh₁z : z ∈ U\nt : Set X\nh₁t : t ∈ 𝓝[≠] z\nh₂t : t ∩ (U \\ s) = ∅\n⊢ (insert z t ∩ (U \\ s)).Finite", "ppTerm": "?right", "assigned": true, "usedConsta...
[ "case pos\nX : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : T1Space X\ns U : Set X\nh : ∀ z ∈ U, ∃ t ∈ 𝓝[≠] z, t ∩ (U \\ s) = ∅\nz : X\nh₁z : z ∈ U\nt : Set X\nh₁t : t ∈ 𝓝[≠] z\nh₂t : t ∩ (U \\ s) = ∅\nhz : z ∈ U \\ s\n⊢ (insert z t ∩ (U \\ s)).Finite", "case neg\nX : Type u_1\ninst✝¹ : TopologicalSpace X\nin...
by_cases hz : z ∈ U \ s
«_aux_Init_ByCases___macroRules_tacticBy_cases_:__2»
«tacticBy_cases_:_»
Mathlib.Topology.Separation.Basic
{ "line": 759, "column": 59 }
{ "line": 761, "column": 60 }
{ "line": 763, "column": 0 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : T1Space X\nx : X\ns t : Set X\nf : X → Y\ny : X\nh : s =ᶠ[𝓝[{y}ᶜ] x] t\n⊢ ContinuousWithinAt f s x ↔ ContinuousWithinAt f t x", "ppTerm": "?m.19", "assigned": true, "usedConstants": [ "Eq.mp...
[]
by rw [← continuousWithinAt_insert_self (s := s), ← continuousWithinAt_insert_self (s := t)] exact continuousWithinAt_congr_set (eventuallyEq_insert h)
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.DiscreteSubset
{ "line": 502, "column": 2 }
{ "line": 502, "column": 22 }
{ "line": 503, "column": 2 }
[ { "pp": "X : Type u_1\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsDiscrete s\nht✝ : IsDiscrete t\nhsc : IsClosed[inst✝] s\nht : IsClosed[inst✝] t\n⊢ IsDiscrete (s ∪ t)", "ppTerm": "?m.13", "assigned": true, "usedConstants": [ "cond", "Eq.mpr", "congrArg", "Set.instUnion"...
[ "X : Type u_1\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsDiscrete s\nht✝ : IsDiscrete t\nhsc : IsClosed[inst✝] s\nht : IsClosed[inst✝] t\n⊢ IsDiscrete (⋃ b, bif b then s else t)" ]
rw [union_eq_iUnion]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Separation.Basic
{ "line": 1055, "column": 6 }
{ "line": 1058, "column": 40 }
{ "line": 1059, "column": 4 }
[ { "pp": "case insert.refine_2\nX : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : R1Space X\nι : Type u_3\nx : ι\nt : Finset ι\nhx : x ∉ t\nih :\n ∀ {s : Set X},\n IsCompact s →\n ∀ (U : ι → Set X),\n (∀ i ∈ t, IsOpen[inst✝¹] (U i)) →\n s ⊆ ⋃ i ∈ t, U i → ∃ K, (∀ (i : ι), IsCompact (K i...
[]
intro i rcases eq_or_ne i x with rfl | hi · simp only [update_self, h2K₁] · simp only [update_of_ne hi, h2K]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Separation.Basic
{ "line": 1055, "column": 6 }
{ "line": 1058, "column": 40 }
{ "line": 1059, "column": 4 }
[ { "pp": "case insert.refine_2\nX : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : R1Space X\nι : Type u_3\nx : ι\nt : Finset ι\nhx : x ∉ t\nih :\n ∀ {s : Set X},\n IsCompact s →\n ∀ (U : ι → Set X),\n (∀ i ∈ t, IsOpen[inst✝¹] (U i)) →\n s ⊆ ⋃ i ∈ t, U i → ∃ K, (∀ (i : ι), IsCompact (K i...
[]
intro i rcases eq_or_ne i x with rfl | hi · simp only [update_self, h2K₁] · simp only [update_of_ne hi, h2K]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Connected.Clopen
{ "line": 78, "column": 8 }
{ "line": 78, "column": 72 }
{ "line": 79, "column": 6 }
[ { "pp": "case refine_1.inr.refine_1\nα : Type u\nβ : Type v\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns : Set (α ⊕ β)\nhs : IsConnected s\nx : β\nhx : inr x ∈ s\nh : s ⊆ range inr\n⊢ IsConnected (inr ⁻¹' s)", "ppTerm": "?refine_1.inr.refine_1", "assigned": true, "usedConstants": [ ...
[]
exact hs.preimage_of_isOpenMap Sum.inr_injective isOpenMap_inr h
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Connected.Clopen
{ "line": 78, "column": 8 }
{ "line": 78, "column": 72 }
{ "line": 79, "column": 6 }
[ { "pp": "case refine_1.inr.refine_1\nα : Type u\nβ : Type v\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns : Set (α ⊕ β)\nhs : IsConnected s\nx : β\nhx : inr x ∈ s\nh : s ⊆ range inr\n⊢ IsConnected (inr ⁻¹' s)", "ppTerm": "?refine_1.inr.refine_1", "assigned": true, "usedConstants": [ ...
[]
exact hs.preimage_of_isOpenMap Sum.inr_injective isOpenMap_inr h
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Connected.Clopen
{ "line": 78, "column": 8 }
{ "line": 78, "column": 72 }
{ "line": 79, "column": 6 }
[ { "pp": "case refine_1.inr.refine_1\nα : Type u\nβ : Type v\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns : Set (α ⊕ β)\nhs : IsConnected s\nx : β\nhx : inr x ∈ s\nh : s ⊆ range inr\n⊢ IsConnected (inr ⁻¹' s)", "ppTerm": "?refine_1.inr.refine_1", "assigned": true, "usedConstants": [ ...
[]
exact hs.preimage_of_isOpenMap Sum.inr_injective isOpenMap_inr h
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Connected.Clopen
{ "line": 286, "column": 8 }
{ "line": 287, "column": 78 }
{ "line": 288, "column": 6 }
[ { "pp": "case refine_1.insert.refine_1\nα : Type u\ninst✝ : TopologicalSpace α\ns : Set α\nhne : s.Nonempty\nu : Set α\nU : Finset (Set α)\nuU : u ∉ U\nx✝ :\n s.Nonempty ∧\n ∀ (a : Set α), IsOpen[inst✝] a → ∀ (b : Set α), IsOpen[inst✝] b → s ⊆ a ∪ b → s ∩ (a ∩ b) = ∅ → s ⊆ a ∨ s ⊆ b\nh : ∀ (a : Set α), IsOp...
[]
refine subset_empty_iff.1 fun x ⟨hxs, hxu, v, hvU, hxv⟩ => ?_ exact ne_of_mem_of_not_mem hvU uU (hU.1 v hvU ⟨x, hxs, hxu, hxv⟩).symm
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Connected.Clopen
{ "line": 286, "column": 8 }
{ "line": 287, "column": 78 }
{ "line": 288, "column": 6 }
[ { "pp": "case refine_1.insert.refine_1\nα : Type u\ninst✝ : TopologicalSpace α\ns : Set α\nhne : s.Nonempty\nu : Set α\nU : Finset (Set α)\nuU : u ∉ U\nx✝ :\n s.Nonempty ∧\n ∀ (a : Set α), IsOpen[inst✝] a → ∀ (b : Set α), IsOpen[inst✝] b → s ⊆ a ∪ b → s ∩ (a ∩ b) = ∅ → s ⊆ a ∨ s ⊆ b\nh : ∀ (a : Set α), IsOp...
[]
refine subset_empty_iff.1 fun x ⟨hxs, hxu, v, hvU, hxv⟩ => ?_ exact ne_of_mem_of_not_mem hvU uU (hU.1 v hvU ⟨x, hxs, hxu, hxv⟩).symm
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Connected.Basic
{ "line": 440, "column": 6 }
{ "line": 442, "column": 37 }
{ "line": 443, "column": 2 }
[ { "pp": "case neg\nα : Type u\ninst✝ : TopologicalSpace α\ns u : Set α\nhs : IsPreconnected s\nhu : IsOpen[inst✝] u\nh'u : (s ∩ u).Nonempty\nh : closure[inst✝] u ∩ s ⊆ u\nx : α\nhx : x ∈ s\nxu : x ∉ u\n⊢ x ∈ u ∪ (closure[inst✝] u)ᶜ", "ppTerm": "?neg✝", "assigned": true, "usedConstants": [ "Com...
[]
right intro h'x exact xu (h (mem_inter h'x hx))
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Connected.Basic
{ "line": 440, "column": 6 }
{ "line": 442, "column": 37 }
{ "line": 443, "column": 2 }
[ { "pp": "case neg\nα : Type u\ninst✝ : TopologicalSpace α\ns u : Set α\nhs : IsPreconnected s\nhu : IsOpen[inst✝] u\nh'u : (s ∩ u).Nonempty\nh : closure[inst✝] u ∩ s ⊆ u\nx : α\nhx : x ∈ s\nxu : x ∉ u\n⊢ x ∈ u ∪ (closure[inst✝] u)ᶜ", "ppTerm": "?neg✝", "assigned": true, "usedConstants": [ "Com...
[]
right intro h'x exact xu (h (mem_inter h'x hx))
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Compactness.Lindelof
{ "line": 255, "column": 2 }
{ "line": 255, "column": 74 }
{ "line": 256, "column": 2 }
[ { "pp": "X : Type u\nι : Type u_1\ninst✝ : TopologicalSpace X\ns : Set X\nb : Set ι\nc : ι → Set X\nhs : IsLindelof s\nhc₁ : ∀ (x : { a // a ∈ b }), IsOpen[inst✝] (c ↑x)\nhc₂ : s ⊆ ⋃ x, c ↑x\nd : Set ↑b\nhd : d.Countable ∧ s ⊆ ⋃ i ∈ d, c ↑i\n⊢ ∃ b' ⊆ b, b'.Countable ∧ s ⊆ ⋃ i ∈ b', c i", "ppTerm": "?m.54", ...
[ "X : Type u\nι : Type u_1\ninst✝ : TopologicalSpace X\ns : Set X\nb : Set ι\nc : ι → Set X\nhs : IsLindelof s\nhc₁ : ∀ (x : { a // a ∈ b }), IsOpen[inst✝] (c ↑x)\nhc₂ : s ⊆ ⋃ x, c ↑x\nd : Set ↑b\nhd : d.Countable ∧ s ⊆ ⋃ i ∈ d, c ↑i\n⊢ s ⊆ ⋃ i ∈ Subtype.val '' d, c i" ]
refine ⟨Subtype.val '' d, by simp, Countable.image hd.1 Subtype.val, ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Connected.Clopen
{ "line": 346, "column": 4 }
{ "line": 346, "column": 15 }
{ "line": 347, "column": 4 }
[ { "pp": "case refine_1\nα : Type u\ninst✝ : TopologicalSpace α\ns : Set α\nhs : IsClopen s\n⊢ IsPreconnected s → ∀ (a b : Set α), IsClopen a → IsClopen b → a.Nonempty → b.Nonempty → Disjoint a b → s ≠ a ∪ b", "ppTerm": "?refine_1", "assigned": true, "usedConstants": [ "Mathlib.Tactic.Push.not_...
[ "case refine_1\nα : Type u\ninst✝ : TopologicalSpace α\ns : Set α\nhs : IsClopen s\n⊢ (∃ a b, IsClopen a ∧ IsClopen b ∧ a.Nonempty ∧ b.Nonempty ∧ Disjoint a b ∧ s = a ∪ b) → ¬IsPreconnected s" ]
contrapose!
Mathlib.Tactic.Contrapose._aux_Mathlib_Tactic_Contrapose___macroRules_Mathlib_Tactic_Contrapose_contrapose!_1
Mathlib.Tactic.Contrapose.contrapose!
Mathlib.Topology.Compactness.Lindelof
{ "line": 373, "column": 2 }
{ "line": 373, "column": 37 }
{ "line": 374, "column": 2 }
[ { "pp": "X : Type u\ninst✝¹ : TopologicalSpace X\ns : Set X\ninst✝ : DiscreteTopology X\nhs : IsLindelof s\nthis : ∀ (x : X), {x} ∈ 𝓝 x\nt : Set X\nht : t.Countable\nleft✝ : ∀ x ∈ t, x ∈ s\nhssubt : s ⊆ ⋃ x ∈ t, {x}\n⊢ s.Countable", "ppTerm": "?m.49", "assigned": true, "usedConstants": [ "con...
[ "X : Type u\ninst✝¹ : TopologicalSpace X\ns : Set X\ninst✝ : DiscreteTopology X\nhs : IsLindelof s\nthis : ∀ (x : X), {x} ∈ 𝓝 x\nt : Set X\nht : t.Countable\nleft✝ : ∀ x ∈ t, x ∈ s\nhssubt : s ⊆ t\n⊢ s.Countable" ]
rw [biUnion_of_singleton] at hssubt
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Compactness.Lindelof
{ "line": 380, "column": 2 }
{ "line": 380, "column": 22 }
{ "line": 380, "column": 22 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsLindelof s\nht : IsLindelof t\n⊢ IsLindelof (s ∪ t)", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "cond", "Eq.mpr", "congrArg", "Set.instUnion", "id", "Bool", "IsLindelof", ...
[ "X : Type u\ninst✝ : TopologicalSpace X\ns t : Set X\nhs : IsLindelof s\nht : IsLindelof t\n⊢ IsLindelof (⋃ b, bif b then s else t)" ]
rw [union_eq_iUnion]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.DenseEmbedding
{ "line": 194, "column": 2 }
{ "line": 194, "column": 22 }
{ "line": 195, "column": 2 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ni : α → β\ninst✝¹ : TopologicalSpace γ\ninst✝ : T3Space γ\nb : β\nf : α → γ\ndi : IsDenseInducing i\nhf : ∀ᶠ (x : β) in 𝓝 b, ∃ c, Tendsto f (comap i (𝓝 x)) (𝓝 c)\n⊢ ContinuousAt (di.extend f) b", ...
[ "α : Type u_1\nβ : Type u_2\nγ : Type u_3\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ni : α → β\ninst✝¹ : TopologicalSpace γ\ninst✝ : T3Space γ\nb : β\nf : α → γ\ndi : IsDenseInducing i\nhf : ∀ᶠ (x : β) in 𝓝 b, ∃ c, Tendsto f (comap i (𝓝 x)) (𝓝 c)\nφ : β → γ := di.extend f\n⊢ ContinuousAt φ b" ]
set φ := di.extend f
Mathlib.Tactic._aux_Mathlib_Tactic_Set___elabRules_Mathlib_Tactic_setTactic_1
Mathlib.Tactic.setTactic
Mathlib.Data.Rel.Cover
{ "line": 78, "column": 56 }
{ "line": 78, "column": 92 }
{ "line": 78, "column": 92 }
[ { "pp": "X : Type u_1\nU : SetRel X X\ns N : Set X\ninst✝¹ : U.IsRefl\ninst✝ : U.IsSymm\nhN : Maximal (fun N ↦ N ⊆ s ∧ U.IsSeparated N) N\nx : X\nhx : x ∈ s\nh : ∀ (y : X), y ∈ N → ¬(x, y) ∈ U\n⊢ insert x N ⊆ s", "ppTerm": "?m.34", "assigned": true, "usedConstants": [ "congrArg", "and_se...
[]
simp [insert_subset_iff, hx, hN.1.1]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.Rel.Cover
{ "line": 78, "column": 56 }
{ "line": 78, "column": 92 }
{ "line": 78, "column": 92 }
[ { "pp": "X : Type u_1\nU : SetRel X X\ns N : Set X\ninst✝¹ : U.IsRefl\ninst✝ : U.IsSymm\nhN : Maximal (fun N ↦ N ⊆ s ∧ U.IsSeparated N) N\nx : X\nhx : x ∈ s\nh : ∀ (y : X), y ∈ N → ¬(x, y) ∈ U\n⊢ insert x N ⊆ s", "ppTerm": "?m.34", "assigned": true, "usedConstants": [ "congrArg", "and_se...
[]
simp [insert_subset_iff, hx, hN.1.1]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Rel.Cover
{ "line": 78, "column": 56 }
{ "line": 78, "column": 92 }
{ "line": 78, "column": 92 }
[ { "pp": "X : Type u_1\nU : SetRel X X\ns N : Set X\ninst✝¹ : U.IsRefl\ninst✝ : U.IsSymm\nhN : Maximal (fun N ↦ N ⊆ s ∧ U.IsSeparated N) N\nx : X\nhx : x ∈ s\nh : ∀ (y : X), y ∈ N → ¬(x, y) ∈ U\n⊢ insert x N ⊆ s", "ppTerm": "?m.34", "assigned": true, "usedConstants": [ "congrArg", "and_se...
[]
simp [insert_subset_iff, hx, hN.1.1]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Homeomorph.Lemmas
{ "line": 542, "column": 6 }
{ "line": 542, "column": 55 }
{ "line": 542, "column": 55 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\nf : X → Y\ninst✝¹ : CompactSpace X\ninst✝ : T2Space Y\n⊢ IsHomeomorph f ↔ Continuous[inst✝³, inst✝²] f ∧ Bijective f", "ppTerm": "?m.13", "assigned": true, "usedConstants": [ "Eq.mpr", "Continu...
[ "X : Type u_1\nY : Type u_2\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\nf : X → Y\ninst✝¹ : CompactSpace X\ninst✝ : T2Space Y\n⊢ Continuous[inst✝³, inst✝²] f ∧ IsClosedMap f ∧ Bijective f ↔ Continuous[inst✝³, inst✝²] f ∧ Bijective f" ]
isHomeomorph_iff_continuous_isClosedMap_bijective
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Connected.Clopen
{ "line": 706, "column": 2 }
{ "line": 707, "column": 66 }
{ "line": 708, "column": 2 }
[ { "pp": "α : Type u\ninst✝ : TopologicalSpace α\nh : ∀ (s : Set α), IsClopen s → s = ∅ ∨ s = univ\nf : α → Bool\nhf : Continuous[inst✝, _] f\nx y : α\n⊢ f x = f y", "ppTerm": "?m.30", "assigned": true, "usedConstants": [ "Eq.mpr", "Bool.not", "congrArg", "Compl.compl", ...
[ "α : Type u\ninst✝ : TopologicalSpace α\nh : ∀ (s : Set α), IsClopen s → s = ∅ ∨ s = univ\nf : α → Bool\nhf : Continuous[inst✝, _] f\nx y : α\nthis : f ⁻¹' {false} = (f ⁻¹' {true})ᶜ\n⊢ f x = f y" ]
have : f ⁻¹' {false} = (f ⁻¹' {true})ᶜ := by rw [← Set.preimage_compl, Bool.compl_singleton, Bool.not_true]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Topology.UniformSpace.Defs
{ "line": 242, "column": 36 }
{ "line": 242, "column": 68 }
{ "line": 242, "column": 68 }
[ { "pp": "α : Type ua\nu : UniformSpace α\na : α\n⊢ 𝓝 a = comap (Prod.mk a) UniformSpace.uniformity", "ppTerm": "?m.13", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "nhds", "id", "Prod.mk", "UniformSpace.toCore", "UniformSpace.Core.uniformity"...
[ "α : Type ua\nu : UniformSpace α\na : α\n⊢ comap (Prod.mk a) u.toCore.uniformity = comap (Prod.mk a) UniformSpace.uniformity" ]
u.toCore.nhds_toTopologicalSpace
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.UniformSpace.Defs
{ "line": 269, "column": 42 }
{ "line": 269, "column": 68 }
{ "line": 269, "column": 68 }
[ { "pp": "α✝ : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort u_1\nα : Type u_2\ni : TopologicalSpace α\nu : UniformSpace α\nh : i = u.toTopologicalSpace\nx : α\n⊢ 𝓝 x = comap (Prod.mk x) UniformSpace.uniformity", "ppTerm": "?m.9", "assigned": true, "usedConstants": [ "Eq.mpr", ...
[ "α✝ : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort u_1\nα : Type u_2\ni : TopologicalSpace α\nu : UniformSpace α\nh : i = u.toTopologicalSpace\nx : α\n⊢ comap (Prod.mk x) UniformSpace.uniformity = comap (Prod.mk x) UniformSpace.uniformity" ]
u.nhds_eq_comap_uniformity
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 120, "column": 2 }
{ "line": 121, "column": 46 }
{ "line": 123, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nuniformSpace : UniformSpace α\ninst✝ : UniformSpace β\nf : Filter α\ng : Filter β\nhf : Cauchy f\nhg : Cauchy g\n⊢ Cauchy (f ×ˢ g)", "ppTerm": "?m.11", "assigned": true, "usedConstants": [ "Eq.mpr", "Filter.map_snd_prod", "instUniformSpaceProd", ...
[]
have := hf.1; have := hg.1 simpa [cauchy_prod_iff, hf.1] using ⟨hf, hg⟩
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.Cauchy
{ "line": 120, "column": 2 }
{ "line": 121, "column": 46 }
{ "line": 123, "column": 0 }
[ { "pp": "α : Type u\nβ : Type v\nuniformSpace : UniformSpace α\ninst✝ : UniformSpace β\nf : Filter α\ng : Filter β\nhf : Cauchy f\nhg : Cauchy g\n⊢ Cauchy (f ×ˢ g)", "ppTerm": "?m.11", "assigned": true, "usedConstants": [ "Eq.mpr", "Filter.map_snd_prod", "instUniformSpaceProd", ...
[]
have := hf.1; have := hg.1 simpa [cauchy_prod_iff, hf.1] using ⟨hf, hg⟩
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Basic
{ "line": 79, "column": 2 }
{ "line": 80, "column": 69 }
{ "line": 82, "column": 0 }
[ { "pp": "α : Type ua\nβ : Type ub\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns : SetRel α β\nhs : IsClosed[instTopologicalSpaceProd] s\nt : Set α\nht : t.Finite\n⊢ IsClosed[inst✝] (s.image t)", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "Eq.mpr", "SetRel", ...
[]
simp_rw [SetRel.image, ← exists_prop, Set.ofPred_exists] exact ht.isClosed_biUnion fun _ _ => hs.preimage <| .prodMk_right _
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.Basic
{ "line": 79, "column": 2 }
{ "line": 80, "column": 69 }
{ "line": 82, "column": 0 }
[ { "pp": "α : Type ua\nβ : Type ub\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns : SetRel α β\nhs : IsClosed[instTopologicalSpaceProd] s\nt : Set α\nht : t.Finite\n⊢ IsClosed[inst✝] (s.image t)", "ppTerm": "?m.8", "assigned": true, "usedConstants": [ "Eq.mpr", "SetRel", ...
[]
simp_rw [SetRel.image, ← exists_prop, Set.ofPred_exists] exact ht.isClosed_biUnion fun _ _ => hs.preimage <| .prodMk_right _
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Defs
{ "line": 498, "column": 2 }
{ "line": 498, "column": 56 }
{ "line": 500, "column": 0 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\nx : α\ns : Set α\n⊢ s ∈ 𝓝 x ↔ {p | p.1 = x → p.2 ∈ s} ∈ 𝓤 α", "ppTerm": "?m.19", "assigned": true, "usedConstants": [ "Filter.instMembership", "congrArg", "Set.ofPred", "_private.Mathlib.Topology.UniformSpace.Defs.0.mem_nhds_uni...
[]
simp only [nhds_eq_comap_uniformity, mem_comap_prodMk]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.UniformSpace.Defs
{ "line": 498, "column": 2 }
{ "line": 498, "column": 56 }
{ "line": 500, "column": 0 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\nx : α\ns : Set α\n⊢ s ∈ 𝓝 x ↔ {p | p.1 = x → p.2 ∈ s} ∈ 𝓤 α", "ppTerm": "?m.19", "assigned": true, "usedConstants": [ "Filter.instMembership", "congrArg", "Set.ofPred", "_private.Mathlib.Topology.UniformSpace.Defs.0.mem_nhds_uni...
[]
simp only [nhds_eq_comap_uniformity, mem_comap_prodMk]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.Defs
{ "line": 498, "column": 2 }
{ "line": 498, "column": 56 }
{ "line": 500, "column": 0 }
[ { "pp": "α : Type ua\ninst✝ : UniformSpace α\nx : α\ns : Set α\n⊢ s ∈ 𝓝 x ↔ {p | p.1 = x → p.2 ∈ s} ∈ 𝓤 α", "ppTerm": "?m.19", "assigned": true, "usedConstants": [ "Filter.instMembership", "congrArg", "Set.ofPred", "_private.Mathlib.Topology.UniformSpace.Defs.0.mem_nhds_uni...
[]
simp only [nhds_eq_comap_uniformity, mem_comap_prodMk]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Basic
{ "line": 972, "column": 4 }
{ "line": 976, "column": 65 }
{ "line": 977, "column": 2 }
[ { "pp": "α : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort u_1\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\ns : Set ((α ⊕ β) × (α ⊕ β))\nhs : s ∈ map (fun p ↦ (inl p.1, inl p.2)) (𝓤 α) ⊔ map (fun p ↦ (inr p.1, inr p.2)) (𝓤 β)\n⊢ s ∈ (map (fun p ↦ (inl p.1, inl p.2)) (𝓤 α) ⊔ map (fun p ↦ (inr ...
[]
rcases comp_mem_uniformity_sets hs.1 with ⟨tα, htα, Htα⟩ rcases comp_mem_uniformity_sets hs.2 with ⟨tβ, htβ, Htβ⟩ filter_upwards [mem_lift' (union_mem_sup (image_mem_map htα) (image_mem_map htβ))] rintro ⟨_, _⟩ ⟨z, ⟨⟨a, b⟩, hab, ⟨⟩⟩ | ⟨⟨a, b⟩, hab, ⟨⟩⟩, ⟨⟨_, c⟩, hbc, ⟨⟩⟩ | ⟨⟨_, c⟩, hbc, ⟨⟩⟩⟩ exacts [@Ht...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.Basic
{ "line": 972, "column": 4 }
{ "line": 976, "column": 65 }
{ "line": 977, "column": 2 }
[ { "pp": "α : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort u_1\ninst✝¹ : UniformSpace α\ninst✝ : UniformSpace β\ns : Set ((α ⊕ β) × (α ⊕ β))\nhs : s ∈ map (fun p ↦ (inl p.1, inl p.2)) (𝓤 α) ⊔ map (fun p ↦ (inr p.1, inr p.2)) (𝓤 β)\n⊢ s ∈ (map (fun p ↦ (inl p.1, inl p.2)) (𝓤 α) ⊔ map (fun p ↦ (inr ...
[]
rcases comp_mem_uniformity_sets hs.1 with ⟨tα, htα, Htα⟩ rcases comp_mem_uniformity_sets hs.2 with ⟨tβ, htβ, Htβ⟩ filter_upwards [mem_lift' (union_mem_sup (image_mem_map htα) (image_mem_map htβ))] rintro ⟨_, _⟩ ⟨z, ⟨⟨a, b⟩, hab, ⟨⟩⟩ | ⟨⟨a, b⟩, hab, ⟨⟩⟩, ⟨⟨_, c⟩, hbc, ⟨⟩⟩ | ⟨⟨_, c⟩, hbc, ⟨⟩⟩⟩ exacts [@Ht...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Compact
{ "line": 191, "column": 53 }
{ "line": 191, "column": 61 }
{ "line": 192, "column": 2 }
[ { "pp": "γ : Type uc\nt : TopologicalSpace γ\ninst✝ : CompactSpace γ\nu u' : UniformSpace γ\nh : u.toTopologicalSpace = t\nh' : u'.toTopologicalSpace = t\nthis : CompactSpace γ\n⊢ CompactSpace γ", "ppTerm": "?m.18", "assigned": true, "usedConstants": [ "Eq.mpr", "congrArg", "id", ...
[]
rwa [h']
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticRwa___1
Lean.Parser.Tactic.tacticRwa__
Mathlib.Topology.UniformSpace.UniformEmbedding
{ "line": 584, "column": 2 }
{ "line": 587, "column": 49 }
{ "line": 588, "column": 2 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝⁴ : UniformSpace α\ninst✝³ : UniformSpace β\nγ : Type u_3\ninst✝² : UniformSpace γ\ninst✝¹ : CompleteSpace β\ninst✝ : CompleteSpace γ\ni : α → β\nf : α → γ\nhid : IsDenseInducing i\nhi : IsUniformInducing i\nh : IsUniformInducing f\nsf : α → SeparationQuotient γ := Sepa...
[ "α : Type u_1\nβ : Type u_2\ninst✝⁴ : UniformSpace α\ninst✝³ : UniformSpace β\nγ : Type u_3\ninst✝² : UniformSpace γ\ninst✝¹ : CompleteSpace β\ninst✝ : CompleteSpace γ\ni : α → β\nf : α → γ\nhid : IsDenseInducing i\nhi : IsUniformInducing i\nh : IsUniformInducing f\nsf : α → SeparationQuotient γ := SeparationQuotie...
have hfu : IsUniformInducing fwd := by refine IsUniformInducing.of_comp hfwd (SeparationQuotient.uniformContinuous_mk.comp hg') ?_ rw [Function.comp_assoc, key] exact SeparationQuotient.isUniformInducing_mk
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Topology.UniformSpace.Pi
{ "line": 130, "column": 43 }
{ "line": 130, "column": 52 }
{ "line": 130, "column": 53 }
[ { "pp": "ι : Type u_4\nX : Type u_5\nu : ι → UniformSpace X\nhu : ∀ (i : ι), CompleteSpace X\na✝ : Nontrivial X\nt : TopologicalSpace X\nht : T2Space X\nhut : ∀ (i : ι), (u i).toTopologicalSpace ≤ t\n⊢ ⨅ i, Filter.comap (fun x ↦ (x.1, x.2)) (𝓤 X) = ⨅ i, 𝓤 X", "ppTerm": "?m.51", "assigned": true, "...
[ "ι : Type u_4\nX : Type u_5\nu : ι → UniformSpace X\nhu : ∀ (i : ι), CompleteSpace X\na✝ : Nontrivial X\nt : TopologicalSpace X\nht : T2Space X\nhut : ∀ (i : ι), (u i).toTopologicalSpace ≤ t\n⊢ ⨅ i, Filter.comap (fun x ↦ x) (𝓤 X) = ⨅ i, 𝓤 X" ]
Prod.eta,
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.UniformSpace.LocallyUniformConvergence
{ "line": 115, "column": 2 }
{ "line": 115, "column": 46 }
{ "line": 117, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_4\ninst✝¹ : TopologicalSpace α\ninst✝ : UniformSpace β\nF : ι → α → β\nf : α → β\np : Filter ι\nS : Set (Set α)\nhS : ∀ s ∈ S, IsOpen[inst✝¹] s\nh : ∀ s ∈ S, TendstoLocallyUniformlyOn F f p s\n⊢ TendstoLocallyUniformlyOn F f p (⋃ i ∈ S, i)", "ppTerm": "?m.25",...
[]
exact tendstoLocallyUniformlyOn_biUnion hS h
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.UniformSpace.UniformApproximation
{ "line": 146, "column": 2 }
{ "line": 151, "column": 86 }
{ "line": 153, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_3\ninst✝¹ : TopologicalSpace α\ninst✝ : UniformSpace β\nF : ι → α → β\nf : α → β\ns : Set α\nx : α\np : Filter ι\ng : ι → α\nh : ContinuousWithinAt f s x\nhg : Tendsto g p (𝓝[s] x)\nhunif : ∀ u ∈ 𝓤 β, ∃ t ∈ 𝓝[s] x, ∀ᶠ (n : ι) in p, ∀ y ∈ t, (f y, F n y) ∈ u\n⊢ ...
[]
refine Uniform.tendsto_nhds_right.2 fun u₀ hu₀ => ?_ obtain ⟨u₁, h₁, u₁₀⟩ : ∃ u ∈ 𝓤 β, u ○ u ⊆ u₀ := comp_mem_uniformity_sets hu₀ rcases hunif u₁ h₁ with ⟨s, sx, hs⟩ have A : ∀ᶠ n in p, g n ∈ s := hg sx have B : ∀ᶠ n in p, (f x, f (g n)) ∈ u₁ := hg (Uniform.continuousWithinAt_iff'_right.1 h h₁) exact B.mp <|...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.UniformApproximation
{ "line": 146, "column": 2 }
{ "line": 151, "column": 86 }
{ "line": 153, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_3\ninst✝¹ : TopologicalSpace α\ninst✝ : UniformSpace β\nF : ι → α → β\nf : α → β\ns : Set α\nx : α\np : Filter ι\ng : ι → α\nh : ContinuousWithinAt f s x\nhg : Tendsto g p (𝓝[s] x)\nhunif : ∀ u ∈ 𝓤 β, ∃ t ∈ 𝓝[s] x, ∀ᶠ (n : ι) in p, ∀ y ∈ t, (f y, F n y) ∈ u\n⊢ ...
[]
refine Uniform.tendsto_nhds_right.2 fun u₀ hu₀ => ?_ obtain ⟨u₁, h₁, u₁₀⟩ : ∃ u ∈ 𝓤 β, u ○ u ⊆ u₀ := comp_mem_uniformity_sets hu₀ rcases hunif u₁ h₁ with ⟨s, sx, hs⟩ have A : ∀ᶠ n in p, g n ∈ s := hg sx have B : ∀ᶠ n in p, (f x, f (g n)) ∈ u₁ := hg (Uniform.continuousWithinAt_iff'_right.1 h h₁) exact B.mp <|...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.HeineCantor
{ "line": 128, "column": 4 }
{ "line": 128, "column": 27 }
{ "line": 129, "column": 4 }
[ { "pp": "case hunion.inl\nα : Type u_4\nβ : Type u_5\nE : Type u_6\ninst✝² : TopologicalSpace α\ninst✝¹ : TopologicalSpace β\ninst✝ : UniformSpace E\nf : α → β → E\ns : Set α\nk : Set β\nq : α\nu : Set (E × E)\nhk : IsCompact k\nhf : ContinuousOn (Function.uncurry f) (s ×ˢ k)\nhq : q ∈ s\nhu : u ∈ 𝓤 E\nt t' : ...
[ "case hunion.inr\nα : Type u_4\nβ : Type u_5\nE : Type u_6\ninst✝² : TopologicalSpace α\ninst✝¹ : TopologicalSpace β\ninst✝ : UniformSpace E\nf : α → β → E\ns : Set α\nk : Set β\nq : α\nu : Set (E × E)\nhk : IsCompact k\nhf : ContinuousOn (Function.uncurry f) (s ×ˢ k)\nhq : q ∈ s\nhu : u ∈ 𝓤 E\nt t' : Set β\nv : S...
· exact hv p hp.1 x h'x
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.UniformSpace.Equicontinuity
{ "line": 451, "column": 91 }
{ "line": 452, "column": 62 }
{ "line": 454, "column": 0 }
[ { "pp": "ι : Type u_1\nX : Type u_3\nα : Type u_6\ntX : TopologicalSpace X\nuα : UniformSpace α\nF : ι → X → α\nS : Set X\nx₀ : X\n⊢ EquicontinuousWithinAt F S x₀ ↔ EquicontinuousWithinAt Subtype.val S x₀", "ppTerm": "?m.15", "assigned": true, "usedConstants": [ "Filter.instMembership", ...
[]
by simp only [EquicontinuousWithinAt, forall_subtype_range_iff]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Order.Filter.NAry
{ "line": 44, "column": 4 }
{ "line": 44, "column": 78 }
{ "line": 46, "column": 0 }
[ { "pp": "α : Type u_1\nα' : Type u_2\nβ : Type u_3\nβ' : Type u_4\nγ : Type u_5\nγ' : Type u_6\nδ : Type u_7\nδ' : Type u_8\nε : Type u_9\nε' : Type u_10\nm✝ : α → β → γ\nf✝ f₁ f₂ : Filter α\ng✝ g₁ g₂ : Filter β\nh : Filter γ\ns : Set α\nt : Set β\nu : Set γ\na : α\nb : β\nm : α → β → γ\nf : Filter α\ng : Filte...
[]
simp only [mem_map, mem_prod_iff, image2_subset_iff, prod_subset_iff]; rfl
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Order.Filter.NAry
{ "line": 44, "column": 4 }
{ "line": 44, "column": 78 }
{ "line": 46, "column": 0 }
[ { "pp": "α : Type u_1\nα' : Type u_2\nβ : Type u_3\nβ' : Type u_4\nγ : Type u_5\nγ' : Type u_6\nδ : Type u_7\nδ' : Type u_8\nε : Type u_9\nε' : Type u_10\nm✝ : α → β → γ\nf✝ f₁ f₂ : Filter α\ng✝ g₁ g₂ : Filter β\nh : Filter γ\ns : Set α\nt : Set β\nu : Set γ\na : α\nb : β\nm : α → β → γ\nf : Filter α\ng : Filte...
[]
simp only [mem_map, mem_prod_iff, image2_subset_iff, prod_subset_iff]; rfl
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.UniformSpace.Equicontinuity
{ "line": 659, "column": 2 }
{ "line": 662, "column": 5 }
{ "line": 664, "column": 0 }
[ { "pp": "ι : Type u_1\nκ : Type u_2\nα : Type u_6\nβ : Type u_8\nuα : UniformSpace α\nuβ : UniformSpace β\np : κ → Prop\ns : κ → Set (β × β)\nF : ι → β → α\nhβ : (𝓤 β).HasBasis p s\n⊢ UniformEquicontinuous F ↔ ∀ U ∈ 𝓤 α, ∃ k, p k ∧ ∀ (x y : β), (x, y) ∈ s k → ∀ (i : ι), (F i x, F i y) ∈ U", "ppTerm": "?m....
[]
rw [uniformEquicontinuous_iff_uniformContinuous, UniformContinuous, hβ.tendsto_iff (UniformFun.hasBasis_uniformity ι α)] simp only [Prod.forall] rfl
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.UniformSpace.Equicontinuity
{ "line": 659, "column": 2 }
{ "line": 662, "column": 5 }
{ "line": 664, "column": 0 }
[ { "pp": "ι : Type u_1\nκ : Type u_2\nα : Type u_6\nβ : Type u_8\nuα : UniformSpace α\nuβ : UniformSpace β\np : κ → Prop\ns : κ → Set (β × β)\nF : ι → β → α\nhβ : (𝓤 β).HasBasis p s\n⊢ UniformEquicontinuous F ↔ ∀ U ∈ 𝓤 α, ∃ k, p k ∧ ∀ (x y : β), (x, y) ∈ s k → ∀ (i : ι), (F i x, F i y) ∈ U", "ppTerm": "?m....
[]
rw [uniformEquicontinuous_iff_uniformContinuous, UniformContinuous, hβ.tendsto_iff (UniformFun.hasBasis_uniformity ι α)] simp only [Prod.forall] rfl
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.MulAction
{ "line": 299, "column": 6 }
{ "line": 299, "column": 78 }
{ "line": 300, "column": 6 }
[ { "pp": "case pos\nM : Type u_1\nX : Type u_2\ninst✝⁵ : TopologicalSpace M\ninst✝⁴ : TopologicalSpace X\ninst✝³ : Group M\ninst✝² : IsTopologicalGroup M\ninst✝¹ : MulAction M X\ninst✝ : DiscreteTopology X\nh : ∀ (x : X), IsOpen[inst✝⁵] ↑(MulAction.stabilizer M x)\ny x : X\nU : Set M := {m' | m' • y = x}\nhU' : ...
[ "M : Type u_1\nX : Type u_2\ninst✝⁵ : TopologicalSpace M\ninst✝⁴ : TopologicalSpace X\ninst✝³ : Group M\ninst✝² : IsTopologicalGroup M\ninst✝¹ : MulAction M X\ninst✝ : DiscreteTopology X\nh : ∀ (x : X), IsOpen[inst✝⁵] ↑(MulAction.stabilizer M x)\ny x : X\nU : Set M := {m' | m' • y = x}\nhU' : U ≠ ∅\nm : M\nhm : m •...
convert! (h x).preimage (by fun_prop : Continuous fun m' : M ↦ m' * m⁻¹)
Mathlib.Tactic._aux_Mathlib_Tactic_Convert___macroRules_Mathlib_Tactic_convert!_1
Mathlib.Tactic.convert!
Mathlib.Topology.Algebra.MulAction
{ "line": 311, "column": 95 }
{ "line": 319, "column": 46 }
{ "line": 321, "column": 0 }
[ { "pp": "G₀ : Type u_5\nX : Type u_6\ninst✝⁶ : GroupWithZero G₀\ninst✝⁵ : Zero X\ninst✝⁴ : MulActionWithZero G₀ X\ninst✝³ : TopologicalSpace G₀\ninst✝² : (𝓝[≠] 0).NeBot\ninst✝¹ : TopologicalSpace X\ninst✝ : ContinuousSMul G₀ X\ns : Set X\nhs : s ∈ 𝓝 0\n⊢ univ • s = univ", "ppTerm": "?m.32", "assigned"...
[]
by refine Set.eq_univ_of_forall fun x ↦ ?_ have : Tendsto (· • x) (𝓝 (0 : G₀)) (𝓝 0) := zero_smul G₀ x ▸ tendsto_id.smul tendsto_const_nhds rcases Filter.nonempty_of_mem (inter_mem_nhdsWithin {0}ᶜ <| mem_map.1 <| this hs) with ⟨c, hc₀, hc⟩ simp only [mem_compl_iff, mem_singleton_iff] at hc₀ simp onl...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Algebra.ConstMulAction
{ "line": 400, "column": 6 }
{ "line": 400, "column": 29 }
{ "line": 401, "column": 2 }
[ { "pp": "case inl.inr\nG₀ : Type u_4\ninst✝⁵ : GroupWithZero G₀\nE : Type u_5\ninst✝⁴ : Zero E\ninst✝³ : MulActionWithZero G₀ E\ninst✝² : TopologicalSpace E\ninst✝¹ : T1Space E\ninst✝ : ContinuousConstSMul G₀ E\ns : Set E\nhs : s.Nonempty\n⊢ closure[inst✝²] 0 = 0", "ppTerm": "?inl.inr", "assigned": true...
[]
exact closure_singleton
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Maps.Proper.Basic
{ "line": 183, "column": 4 }
{ "line": 183, "column": 18 }
{ "line": 185, "column": 0 }
[ { "pp": "case right\nX : Type u_1\nY : Type u_2\nZ : Type u_3\nW : Type u_4\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\ninst✝¹ : TopologicalSpace Z\ninst✝ : TopologicalSpace W\nf : X → Y\ng : Z → W\nhf : Continuous[inst✝³, inst✝²] f ∧ ∀ ⦃𝒰 : Ultrafilter X⦄ ⦃y : Y⦄, Tendsto f (↑𝒰) (𝓝 y) → ∃ x, ...
[]
exact ⟨hx, hz⟩
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Maps.Proper.Basic
{ "line": 170, "column": 2 }
{ "line": 183, "column": 18 }
{ "line": 185, "column": 0 }
[ { "pp": "case right\nX : Type u_1\nY : Type u_2\nZ : Type u_3\nW : Type u_4\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\ninst✝¹ : TopologicalSpace Z\ninst✝ : TopologicalSpace W\nf : X → Y\ng : Z → W\nhf : Continuous[inst✝³, inst✝²] f ∧ ∀ ⦃𝒰 : Ultrafilter X⦄ ⦃y : Y⦄, Tendsto f (↑𝒰) (𝓝 y) → ∃ x, ...
[]
· intro 𝒰 ⟨y, w⟩ hyw -- That means that `f` tends to `y` along `map fst 𝒰` and `g` tends to `w` along `map snd 𝒰`. simp_rw [nhds_prod_eq, tendsto_prod_iff'] at hyw -- Thus, by properness of `f` and `g`, we get some `x : X` and `z : Z` such that `f x = y`, -- `g z = w`, `map fst 𝒰` tends to `x`, and `map ...
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.Algebra.Group.Basic
{ "line": 99, "column": 2 }
{ "line": 100, "column": 6 }
{ "line": 102, "column": 0 }
[ { "pp": "G : Type w\ninst✝² : TopologicalSpace G\ninst✝¹ : Group G\ninst✝ : SeparatelyContinuousMul G\nc a : G\n⊢ map (fun x ↦ c * x) (𝓝[≠] a) = 𝓝[≠] (c * a)", "ppTerm": "?m.33", "assigned": true, "usedConstants": [ "Eq.mpr", "HMul.hMul", "DivInvOneMonoid.toInvOneClass", "H...
[]
convert! (Homeomorph.mulLeft c).isEmbedding.map_nhdsWithin_eq .. using 2 simp
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Algebra.Group.Basic
{ "line": 99, "column": 2 }
{ "line": 100, "column": 6 }
{ "line": 102, "column": 0 }
[ { "pp": "G : Type w\ninst✝² : TopologicalSpace G\ninst✝¹ : Group G\ninst✝ : SeparatelyContinuousMul G\nc a : G\n⊢ map (fun x ↦ c * x) (𝓝[≠] a) = 𝓝[≠] (c * a)", "ppTerm": "?m.33", "assigned": true, "usedConstants": [ "Eq.mpr", "HMul.hMul", "DivInvOneMonoid.toInvOneClass", "H...
[]
convert! (Homeomorph.mulLeft c).isEmbedding.map_nhdsWithin_eq .. using 2 simp
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.Group.Pointwise
{ "line": 369, "column": 2 }
{ "line": 369, "column": 34 }
{ "line": 370, "column": 2 }
[ { "pp": "G : Type w\ninst✝² : TopologicalSpace G\ninst✝¹ : Group G\ninst✝ : IsTopologicalGroup G\nS : Subgroup G\nhS : IsDiscrete ↑S\nV : Set G\nhV : V ∈ 𝓝 1 ∧ V ∩ ↑S = {1}\nU : Set G\nhU : U ∈ 𝓝 1\nhUinv : U⁻¹ = U\nhUV : U * U ⊆ V\ng : G\nhgS : g ∈ S\nx : G\nhx : x ∈ U\nhgx : (fun x ↦ g * x) x ∈ U\n⊢ g = 1",...
[ "G : Type w\ninst✝² : TopologicalSpace G\ninst✝¹ : Group G\ninst✝ : IsTopologicalGroup G\nS : Subgroup G\nhS : IsDiscrete ↑S\nV : Set G\nhV : V ∈ 𝓝 1 ∧ V ∩ ↑S = {1}\nU : Set G\nhU : U ∈ 𝓝 1\nhUinv : U⁻¹ = U\nhUV : U * U ⊆ V\ng : G\nhgS : g ∈ S\nx : G\nhx : x ∈ U\nhgx : (fun x ↦ g * x) x ∈ U\n⊢ g ∈ U * U" ]
refine hV.2.subset ⟨hUV ?_, hgS⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Algebra.IsUniformGroup.Defs
{ "line": 378, "column": 4 }
{ "line": 379, "column": 84 }
{ "line": 380, "column": 4 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : UniformSpace α\ninst✝¹ : Group α\ninst✝ : IsUniformGroup α\n𝓕 : Filter (α × α)\n⊢ 𝓕 ≤ 𝓤 α ↔ 𝓕 ≤ comap (fun x ↦ x.2 * x.1⁻¹) (𝓝 1)", "ppTerm": "?m.14", "assigned": true, "usedConstants": [ "Eq.mpr", "InvOneClass.toOne", "HMul.hMul",...
[ "α : Type u_1\nβ : Type u_2\ninst✝² : UniformSpace α\ninst✝¹ : Group α\ninst✝ : IsUniformGroup α\n𝓕 : Filter (α × α)\n⊢ Tendsto id 𝓕 (𝓤 α) ↔ Tendsto ((Prod.mk 1 ∘ fun x ↦ x.2 * x.1⁻¹) * fun x ↦ (x.1, x.1)) 𝓕 (𝓤 α)" ]
rw [nhds_eq_comap_uniformity, comap_comap, ← tendsto_iff_comap, ← (tendsto_diag_uniformity Prod.fst 𝓕).uniformity_mul_iff_left, ← tendsto_id']
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Order.Filter.AtTopBot.Field
{ "line": 121, "column": 2 }
{ "line": 121, "column": 89 }
{ "line": 123, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\nl : Filter β\nf : β → α\nr : α\nhr : 0 < r\n⊢ Tendsto (fun x ↦ r * f x) l atBot ↔ Tendsto f l atBot", "ppTerm": "?m.20", "assigned": true, "usedConstants": [ "Eq.mpr", "NegZeroCl...
[]
simpa only [← mul_neg, ← tendsto_neg_atTop_iff] using tendsto_const_mul_atTop_of_pos hr
Lean.Elab.Tactic.Simpa.evalSimpa
Lean.Parser.Tactic.simpa
Mathlib.Order.Filter.AtTopBot.Field
{ "line": 121, "column": 2 }
{ "line": 121, "column": 89 }
{ "line": 123, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\nl : Filter β\nf : β → α\nr : α\nhr : 0 < r\n⊢ Tendsto (fun x ↦ r * f x) l atBot ↔ Tendsto f l atBot", "ppTerm": "?m.20", "assigned": true, "usedConstants": [ "Eq.mpr", "NegZeroCl...
[]
simpa only [← mul_neg, ← tendsto_neg_atTop_iff] using tendsto_const_mul_atTop_of_pos hr
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Order.Filter.AtTopBot.Field
{ "line": 121, "column": 2 }
{ "line": 121, "column": 89 }
{ "line": 123, "column": 0 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\nl : Filter β\nf : β → α\nr : α\nhr : 0 < r\n⊢ Tendsto (fun x ↦ r * f x) l atBot ↔ Tendsto f l atBot", "ppTerm": "?m.20", "assigned": true, "usedConstants": [ "Eq.mpr", "NegZeroCl...
[]
simpa only [← mul_neg, ← tendsto_neg_atTop_iff] using tendsto_const_mul_atTop_of_pos hr
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.Field
{ "line": 196, "column": 2 }
{ "line": 199, "column": 73 }
{ "line": 201, "column": 0 }
[ { "pp": "α : Type u_2\n𝕜 : Type u_3\nf g : α → 𝕜\nS : Set α\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : TopologicalSpace 𝕜\ninst✝³ : T1Space 𝕜\ninst✝² : Field 𝕜\ninst✝¹ : ContinuousInv₀ 𝕜\ninst✝ : ContinuousMul 𝕜\nhS : IsPreconnected S\nhf : ContinuousOn f S\nhg : ContinuousOn g S\nhsq : EqOn (f ^ 2) (g ^ 2) ...
[]
have hsq : EqOn ((f / g) ^ 2) 1 S := fun x hx => by simpa [div_eq_one_iff_eq (pow_ne_zero _ (hg_ne hx)), div_pow] using hsq hx simpa +contextual [EqOn, div_eq_iff (hg_ne _)] using hS.eq_one_or_eq_neg_one_of_sq_eq (hf.div hg fun z => hg_ne) hsq
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Algebra.Field
{ "line": 196, "column": 2 }
{ "line": 199, "column": 73 }
{ "line": 201, "column": 0 }
[ { "pp": "α : Type u_2\n𝕜 : Type u_3\nf g : α → 𝕜\nS : Set α\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : TopologicalSpace 𝕜\ninst✝³ : T1Space 𝕜\ninst✝² : Field 𝕜\ninst✝¹ : ContinuousInv₀ 𝕜\ninst✝ : ContinuousMul 𝕜\nhS : IsPreconnected S\nhf : ContinuousOn f S\nhg : ContinuousOn g S\nhsq : EqOn (f ^ 2) (g ^ 2) ...
[]
have hsq : EqOn ((f / g) ^ 2) 1 S := fun x hx => by simpa [div_eq_one_iff_eq (pow_ne_zero _ (hg_ne hx)), div_pow] using hsq hx simpa +contextual [EqOn, div_eq_iff (hg_ne _)] using hS.eq_one_or_eq_neg_one_of_sq_eq (hf.div hg fun z => hg_ne) hsq
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.IsUniformGroup.Basic
{ "line": 550, "column": 2 }
{ "line": 550, "column": 48 }
{ "line": 551, "column": 2 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type u_4\nG : Type u_5\ninst✝¹² : TopologicalSpace α\ninst✝¹¹ : AddCommGroup α\ninst✝¹⁰ : IsTopologicalAddGroup α\ninst✝⁹ : TopologicalSpace β\ninst✝⁸ : AddCommGroup β\ninst✝⁷ : TopologicalSpace γ\ninst✝⁶ : AddCommGroup γ\ninst✝⁵ : IsTopologicalAddGroup γ\n...
[ "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type u_4\nG : Type u_5\ninst✝¹² : TopologicalSpace α\ninst✝¹¹ : AddCommGroup α\ninst✝¹⁰ : IsTopologicalAddGroup α\ninst✝⁹ : TopologicalSpace β\ninst✝⁸ : AddCommGroup β\ninst✝⁷ : TopologicalSpace γ\ninst✝⁶ : AddCommGroup γ\ninst✝⁵ : IsTopologicalAddGroup γ\ninst✝⁴ : Top...
rcases this with ⟨U₁, U₁_nhds, V₁, V₁_nhds, H⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRCases
Lean.Parser.Tactic.rcases
Mathlib.Topology.Algebra.IsUniformGroup.Basic
{ "line": 580, "column": 4 }
{ "line": 580, "column": 19 }
{ "line": 581, "column": 4 }
[ { "pp": "case left\nα : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type u_4\nG : Type u_5\ninst✝¹⁴ : TopologicalSpace α\ninst✝¹³ : AddCommGroup α\ninst✝¹² : IsTopologicalAddGroup α\ninst✝¹¹ : TopologicalSpace β\ninst✝¹⁰ : AddCommGroup β\ninst✝⁹ : TopologicalSpace γ\ninst✝⁸ : AddCommGroup γ\ninst✝⁷ : IsTopologica...
[ "case left\nα : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type u_4\nG : Type u_5\ninst✝¹⁴ : TopologicalSpace α\ninst✝¹³ : AddCommGroup α\ninst✝¹² : IsTopologicalAddGroup α\ninst✝¹¹ : TopologicalSpace β\ninst✝¹⁰ : AddCommGroup β\ninst✝⁹ : TopologicalSpace γ\ninst✝⁸ : AddCommGroup γ\ninst✝⁷ : IsTopologicalAddGroup γ\...
apply NeBot.map
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.Algebra.Order.Group
{ "line": 47, "column": 6 }
{ "line": 50, "column": 15 }
{ "line": 51, "column": 2 }
[ { "pp": "case inr\nG : Type u_1\ninst✝⁴ : TopologicalSpace G\ninst✝³ : CommGroup G\ninst✝² : LinearOrder G\ninst✝¹ : IsOrderedMonoid G\ninst✝ : OrderTopology G\na b ε : G\nhε : ε > 1\nhε_min : ∀ a < ε, a ≤ 1\n⊢ ∀ᶠ (b_1 : G × G) in 𝓝 (a, b), |b_1.1 * b_1.2 / (a * b)|ₘ < ε", "ppTerm": "?inr", "assigned":...
[]
have (x : G) : ∀ᶠ y in 𝓝 x, y = x := (eventually_mabs_div_lt _ hε).mono fun y hy ↦ mabs_div_le_one.mp <| hε_min _ hy filter_upwards [(this _).prod_nhds (this _)] simp [hε]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Algebra.Order.Group
{ "line": 47, "column": 6 }
{ "line": 50, "column": 15 }
{ "line": 51, "column": 2 }
[ { "pp": "case inr\nG : Type u_1\ninst✝⁴ : TopologicalSpace G\ninst✝³ : CommGroup G\ninst✝² : LinearOrder G\ninst✝¹ : IsOrderedMonoid G\ninst✝ : OrderTopology G\na b ε : G\nhε : ε > 1\nhε_min : ∀ a < ε, a ≤ 1\n⊢ ∀ᶠ (b_1 : G × G) in 𝓝 (a, b), |b_1.1 * b_1.2 / (a * b)|ₘ < ε", "ppTerm": "?inr", "assigned":...
[]
have (x : G) : ∀ᶠ y in 𝓝 x, y = x := (eventually_mabs_div_lt _ hε).mono fun y hy ↦ mabs_div_le_one.mp <| hε_min _ hy filter_upwards [(this _).prod_nhds (this _)] simp [hε]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.Order.Field
{ "line": 39, "column": 2 }
{ "line": 39, "column": 68 }
{ "line": 40, "column": 2 }
[ { "pp": "𝕜 : Type u_1\nα : Type u_2\ninst✝⁴ : Semifield 𝕜\ninst✝³ : LinearOrder 𝕜\ninst✝² : IsStrictOrderedRing 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\nl : Filter α\nf g : α → 𝕜\nC : 𝕜\nhC : 0 < C\nhf : Tendsto f l atTop\nhg : Tendsto g l (𝓝 C)\n⊢ Tendsto (fun x ↦ f x * g x) l atTop", ...
[ "𝕜 : Type u_1\nα : Type u_2\ninst✝⁴ : Semifield 𝕜\ninst✝³ : LinearOrder 𝕜\ninst✝² : IsStrictOrderedRing 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\nl : Filter α\nf g : α → 𝕜\nC : 𝕜\nhC : 0 < C\nhf : Tendsto f l atTop\nhg : Tendsto g l (𝓝 C)\n⊢ (fun x ↦ f x * (C / 2)) ≤ᶠ[l] fun x ↦ f x * g x" ]
refine tendsto_atTop_mono' _ ?_ (hf.atTop_mul_const (half_pos hC))
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Algebra.Order.Field
{ "line": 243, "column": 23 }
{ "line": 243, "column": 31 }
{ "line": 243, "column": 31 }
[ { "pp": "𝕜 : Type u_1\nα : Type u_2\ninst✝⁴ : Field 𝕜\ninst✝³ : LinearOrder 𝕜\ninst✝² : IsStrictOrderedRing 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\nl : Filter α\nf g : α → 𝕜\nC : 𝕜\nhf : ∀ᶠ (x : α) in l, |f x| ≤ C\nhg : Tendsto g l (𝓝 0)\n⊢ 0 = |0|", "ppTerm": "?m.186", "assign...
[]
abs_zero
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.Algebra.Order.Field
{ "line": 295, "column": 6 }
{ "line": 295, "column": 55 }
{ "line": 296, "column": 4 }
[ { "pp": "case refine_1.ofNat\n𝕜 : Type u_1\ninst✝⁴ : Field 𝕜\ninst✝³ : LinearOrder 𝕜\ninst✝² : IsStrictOrderedRing 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\nc d : 𝕜\nhc : c ≠ 0\nn : ℕ\nh : Tendsto (fun x ↦ c * x ^ Int.ofNat n) atTop (𝓝 d)\n⊢ Int.ofNat n = 0 ∧ c = d", "ppTerm": "?refin...
[]
simpa [tendsto_const_mul_pow_nhds_iff hc] using h
Lean.Elab.Tactic.Simpa.evalSimpa
Lean.Parser.Tactic.simpa
Mathlib.Topology.Algebra.Order.Field
{ "line": 290, "column": 84 }
{ "line": 302, "column": 60 }
{ "line": 304, "column": 0 }
[ { "pp": "𝕜 : Type u_1\ninst✝⁴ : Field 𝕜\ninst✝³ : LinearOrder 𝕜\ninst✝² : IsStrictOrderedRing 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\nn : ℤ\nc d : 𝕜\nhc : c ≠ 0\n⊢ Tendsto (fun x ↦ c * x ^ n) atTop (𝓝 d) ↔ n = 0 ∧ c = d ∨ n < 0 ∧ d = 0", "ppTerm": "?m.33", "assigned": true, ...
[]
by refine ⟨fun h => ?_, fun h => ?_⟩ · cases n with | ofNat n => left simpa [tendsto_const_mul_pow_nhds_iff hc] using h | negSucc n => have hn := Int.negSucc_lt_zero n exact Or.inr ⟨hn, tendsto_nhds_unique h (tendsto_const_mul_zpow_atTop_zero hn)⟩ · rcases h with h | h · simp o...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Instances.AddCircle.Defs
{ "line": 138, "column": 27 }
{ "line": 138, "column": 47 }
{ "line": 138, "column": 48 }
[ { "pp": "𝕜 : Type u_1\ninst✝⁵ : AddCommGroup 𝕜\ninst✝⁴ : LinearOrder 𝕜\ninst✝³ : IsOrderedAddMonoid 𝕜\ninst✝² : Archimedean 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\np : 𝕜\nhp : 0 < p\na x : 𝕜\nhx : ¬x ≡ a [PMOD p]\n⊢ toIcoDiv hp a =ᶠ[𝓝[<] x ⊔ 𝓝[≥] x] fun x_1 ↦ toIcoDiv hp a x", "p...
[ "𝕜 : Type u_1\ninst✝⁵ : AddCommGroup 𝕜\ninst✝⁴ : LinearOrder 𝕜\ninst✝³ : IsOrderedAddMonoid 𝕜\ninst✝² : Archimedean 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\np : 𝕜\nhp : 0 < p\na x : 𝕜\nhx : ¬x ≡ a [PMOD p]\n⊢ ∀ᶠ (x_1 : 𝕜) in 𝓝[<] x ⊔ 𝓝[≥] x, toIcoDiv hp a x_1 = toIcoDiv hp a x" ]
Filter.EventuallyEq,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Instances.AddCircle.Defs
{ "line": 157, "column": 27 }
{ "line": 157, "column": 47 }
{ "line": 157, "column": 48 }
[ { "pp": "𝕜 : Type u_1\ninst✝⁵ : AddCommGroup 𝕜\ninst✝⁴ : LinearOrder 𝕜\ninst✝³ : IsOrderedAddMonoid 𝕜\ninst✝² : Archimedean 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\np : 𝕜\nhp : 0 < p\na x : 𝕜\nhx : ¬x ≡ a [PMOD p]\n⊢ toIocDiv hp a =ᶠ[𝓝[≤] x ⊔ 𝓝[>] x] fun x_1 ↦ toIocDiv hp a x", "p...
[ "𝕜 : Type u_1\ninst✝⁵ : AddCommGroup 𝕜\ninst✝⁴ : LinearOrder 𝕜\ninst✝³ : IsOrderedAddMonoid 𝕜\ninst✝² : Archimedean 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\np : 𝕜\nhp : 0 < p\na x : 𝕜\nhx : ¬x ≡ a [PMOD p]\n⊢ ∀ᶠ (x_1 : 𝕜) in 𝓝[≤] x ⊔ 𝓝[>] x, toIocDiv hp a x_1 = toIocDiv hp a x" ]
Filter.EventuallyEq,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Order.Basic
{ "line": 462, "column": 2 }
{ "line": 471, "column": 50 }
{ "line": 473, "column": 0 }
[ { "pp": "α : Type u\ninst✝³ : TopologicalSpace α\ninst✝² : LinearOrder α\ninst✝¹ : OrderTopology α\ninst✝ : Nontrivial α\ns : Set α\nhs : IsOpen[inst✝³] s\nh : s.Nonempty\n⊢ ∃ a b, a < b ∧ Ioo a b ⊆ s", "ppTerm": "?m.21", "assigned": true, "usedConstants": [ "Set.Ioc", "Preorder.toLT", ...
[]
obtain ⟨x, hx⟩ : ∃ x, x ∈ s := h obtain ⟨y, hy⟩ : ∃ y, y ≠ x := exists_ne x rcases lt_trichotomy x y with (H | rfl | H) · obtain ⟨u, xu, hu⟩ : ∃ u, x < u ∧ Ico x u ⊆ s := exists_Ico_subset_of_mem_nhds (hs.mem_nhds hx) ⟨y, H⟩ exact ⟨x, u, xu, Ioo_subset_Ico_self.trans hu⟩ · exact (hy rfl).elim · obta...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Order.Basic
{ "line": 462, "column": 2 }
{ "line": 471, "column": 50 }
{ "line": 473, "column": 0 }
[ { "pp": "α : Type u\ninst✝³ : TopologicalSpace α\ninst✝² : LinearOrder α\ninst✝¹ : OrderTopology α\ninst✝ : Nontrivial α\ns : Set α\nhs : IsOpen[inst✝³] s\nh : s.Nonempty\n⊢ ∃ a b, a < b ∧ Ioo a b ⊆ s", "ppTerm": "?m.21", "assigned": true, "usedConstants": [ "Set.Ioc", "Preorder.toLT", ...
[]
obtain ⟨x, hx⟩ : ∃ x, x ∈ s := h obtain ⟨y, hy⟩ : ∃ y, y ≠ x := exists_ne x rcases lt_trichotomy x y with (H | rfl | H) · obtain ⟨u, xu, hu⟩ : ∃ u, x < u ∧ Ico x u ⊆ s := exists_Ico_subset_of_mem_nhds (hs.mem_nhds hx) ⟨y, H⟩ exact ⟨x, u, xu, Ioo_subset_Ico_self.trans hu⟩ · exact (hy rfl).elim · obta...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.CategoryTheory.Monoidal.Internal.Types.Grp
{ "line": 51, "column": 12 }
{ "line": 52, "column": 43 }
{ "line": 52, "column": 44 }
[ { "pp": "A : GrpCat\n⊢ CartesianMonoidalCategory.lift (𝟙 (MonTypeEquivalenceMon.inverse.obj ((forget₂ GrpCat MonCat).obj A)).X)\n (↾fun x ↦ x⁻¹) ≫\n μ =\n SemiCartesianMonoidalCategory.toUnit (MonTypeEquivalenceMon.inverse.obj ((forget₂ GrpCat MonCat).obj A)).X ≫ η", "ppTerm": "?m.106", ...
[]
ext x exact mul_inv_cancel (G := A) x
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.CategoryTheory.Monoidal.Internal.Types.Grp
{ "line": 51, "column": 12 }
{ "line": 52, "column": 43 }
{ "line": 52, "column": 44 }
[ { "pp": "A : GrpCat\n⊢ CartesianMonoidalCategory.lift (𝟙 (MonTypeEquivalenceMon.inverse.obj ((forget₂ GrpCat MonCat).obj A)).X)\n (↾fun x ↦ x⁻¹) ≫\n μ =\n SemiCartesianMonoidalCategory.toUnit (MonTypeEquivalenceMon.inverse.obj ((forget₂ GrpCat MonCat).obj A)).X ≫ η", "ppTerm": "?m.106", ...
[]
ext x exact mul_inv_cancel (G := A) x
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Instances.AddCircle.Defs
{ "line": 757, "column": 2 }
{ "line": 757, "column": 39 }
{ "line": 758, "column": 2 }
[ { "pp": "𝕜 : Type u_1\ninst✝³ : AddCommGroup 𝕜\ninst✝² : LinearOrder 𝕜\ninst✝¹ : IsOrderedAddMonoid 𝕜\np a : 𝕜\nhp : Fact (0 < p)\ninst✝ : Archimedean 𝕜\n⊢ ⇑(equivIccQuot p a) ∘ Quotient.mk'' = fun x ↦ Quot.mk (EndpointIdent p a) ⟨toIocMod ⋯ a x, ⋯⟩", "ppTerm": "?m.51", "assigned": true, "used...
[ "𝕜 : Type u_1\ninst✝³ : AddCommGroup 𝕜\ninst✝² : LinearOrder 𝕜\ninst✝¹ : IsOrderedAddMonoid 𝕜\np a : 𝕜\nhp : Fact (0 < p)\ninst✝ : Archimedean 𝕜\n⊢ (fun x ↦ Quot.mk (EndpointIdent p a) ⟨toIcoMod ⋯ a x, ⋯⟩) = fun x ↦ Quot.mk (EndpointIdent p a) ⟨toIocMod ⋯ a x, ⋯⟩" ]
rw [equivIccQuot_comp_mk_eq_toIcoMod]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Algebra.Category.ModuleCat.Subobject
{ "line": 37, "column": 37 }
{ "line": 48, "column": 13 }
{ "line": 48, "column": 13 }
[ { "pp": "R : Type u\ninst✝ : Ring R\nM : ModuleCat R\nS : Subobject M\n⊢ S = (fun N ↦ mk (↟N.subtype)) ((fun S ↦ (Hom.hom S.arrow).range) S)", "ppTerm": "?m.356", "assigned": true, "usedConstants": [ "Eq.mpr", "Submodule", "CategoryTheory.Over", "CategoryTheory.Subobject.arro...
[]
by fapply eq_mk_of_comm · apply LinearEquiv.toModuleIso apply LinearEquiv.ofBijective (LinearMap.codRestrict (LinearMap.range S.arrow.hom) S.arrow.hom _) constructor · simp [← LinearMap.ker_eq_bot, ker_eq_bot_of_mono] · rw [← LinearMap.range_eq_top, Li...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.CategoryTheory.Abelian.Refinements
{ "line": 157, "column": 6 }
{ "line": 157, "column": 20 }
{ "line": 157, "column": 21 }
[ { "pp": "C : Type u_1\ninst✝¹ : Category.{v_1, u_1} C\ninst✝ : Abelian C\nS : ShortComplex C\nA : C\nx₂ x₂' : A ⟶ S.X₂\nhx₂ : x₂ ≫ S.g = 0\nhx₂' : x₂' ≫ S.g = 0\n⊢ S.liftCycles x₂ hx₂ ≫ S.homologyπ = S.liftCycles x₂' hx₂' ≫ S.homologyπ ↔ S.liftCycles (x₂ - x₂') ⋯ ≫ S.homologyπ = 0", "ppTerm": "?m.159", ...
[ "C : Type u_1\ninst✝¹ : Category.{v_1, u_1} C\ninst✝ : Abelian C\nS : ShortComplex C\nA : C\nx₂ x₂' : A ⟶ S.X₂\nhx₂ : x₂ ≫ S.g = 0\nhx₂' : x₂' ≫ S.g = 0\n⊢ S.liftCycles x₂ hx₂ ≫ S.homologyπ - S.liftCycles x₂' hx₂' ≫ S.homologyπ = 0 ↔\n S.liftCycles (x₂ - x₂') ⋯ ≫ S.homologyπ = 0" ]
← sub_eq_zero,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.CategoryTheory.Abelian.Refinements
{ "line": 238, "column": 4 }
{ "line": 238, "column": 73 }
{ "line": 240, "column": 0 }
[ { "pp": "case mpr\nC : Type u_1\ninst✝¹ : Category.{v_1, u_1} C\ninst✝ : Abelian C\nS₁ S₂ : ShortComplex C\nφ : S₁ ⟶ S₂\nh :\n ∀ ⦃A : C⦄ (y₂ : A ⟶ S₂.X₂),\n y₂ ≫ S₂.g = 0 → ∃ A' π, ∃ (_ : Epi π), ∃ x₂, ∃ (_ : x₂ ≫ S₁.g = 0), ∃ y₁, π ≫ y₂ = x₂ ≫ φ.τ₂ + y₁ ≫ S₂.f\nA : C\nγ : A ⟶ S₂.homology\nA₁ : C\nπ₁ : A₁ ⟶...
[]
exact ⟨A₂, 𝟙 _, inferInstance, y₁, by simpa only [id_comp] using hy₁⟩
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Algebra.Category.ModuleCat.Adjunctions
{ "line": 390, "column": 10 }
{ "line": 390, "column": 19 }
{ "line": 390, "column": 19 }
[ { "pp": "case single\nR : Type u_1\ninst✝⁸ : CommRing R\nC : Type u\ninst✝⁷ : Category.{v, u} C\nD : Type u\ninst✝⁶ : Category.{v, u} D\ninst✝⁵ : Preadditive D\ninst✝⁴ : Linear R D\nF G : Free R C ⥤ D\ninst✝³ : F.Additive\ninst✝² : Functor.Linear R F\ninst✝¹ : G.Additive\ninst✝ : Functor.Linear R G\nα : embeddi...
[ "case single\nR : Type u_1\ninst✝⁸ : CommRing R\nC : Type u\ninst✝⁷ : Category.{v, u} C\nD : Type u\ninst✝⁶ : Category.{v, u} D\ninst✝⁵ : Preadditive D\ninst✝⁴ : Linear R D\nF G : Free R C ⥤ D\ninst✝³ : F.Additive\ninst✝² : Functor.Linear R F\ninst✝¹ : G.Additive\ninst✝ : Functor.Linear R G\nα : embedding R C ⋙ F ≅...
comp_smul
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.CategoryTheory.Limits.Types.Pullbacks
{ "line": 156, "column": 2 }
{ "line": 156, "column": 87 }
{ "line": 158, "column": 0 }
[ { "pp": "X Y Z : Type u\nf : X ⟶ Z\ng : Y ⟶ Z\nx✝ : PullbackObj f g\n⊢ (hom ((pullbackIsoPullback f g).inv ≫ pullback.snd f g)).toFun x✝ = (hom (↾fun p ↦ (↑p).2)).toFun x✝", "ppTerm": "?m.57", "assigned": true, "usedConstants": [ "CategoryTheory.Limits.pullback", "CategoryTheory.Limits.p...
[]
exact PullbackCone.IsLimit.equivPullbackObj_symm_apply_snd (pullbackIsPullback f g) _
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.CategoryTheory.Limits.Shapes.ConcreteCategory
{ "line": 298, "column": 18 }
{ "line": 304, "column": 74 }
{ "line": 304, "column": 75 }
[ { "pp": "C : Type u\ninst✝² : Category.{v, u} C\nFC : C → C → Type u_1\nCC : C → Type s\ninst✝¹ : (X Y : C) → FunLike (FC X Y) (CC X) (CC Y)\ninst✝ : ConcreteCategory C FC\nJ : MulticospanShape\nI : MulticospanIndex J C\nx : { x // ∀ (i : J.R), (hom (I.fst i)) (x (J.fst i)) = (hom (I.snd i)) (x (J.snd i)) }\n⊢ ...
[]
by rintro (a | b) (a' | b') (f | f | f) · simp only [WalkingMulticospan.Hom.id_eq_id, Functor.map_id]; rfl · rfl · dsimp exact (x.2 b').symm · simp only [WalkingMulticospan.Hom.id_eq_id, Functor.map_id]; rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Algebra.Homology.ShortComplex.ModuleCat
{ "line": 92, "column": 34 }
{ "line": 92, "column": 45 }
{ "line": 92, "column": 45 }
[ { "pp": "R : Type u\ninst✝ : Ring R\nS : ShortComplex (ModuleCat R)\nX₁ X₂ X₃ : ModuleCat R\nf : X₁ ⟶ X₂\ng : X₂ ⟶ X₃\nhfg : (ModuleCat.Hom.hom f).range = (ModuleCat.Hom.hom g).ker\n⊢ (ModuleCat.Hom.hom f).range ≤ (ModuleCat.Hom.hom g).ker", "ppTerm": "?m.52", "assigned": true, "usedConstants": [ ...
[]
by rw [hfg]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.CategoryTheory.Monad.Limits
{ "line": 90, "column": 8 }
{ "line": 90, "column": 32 }
{ "line": 90, "column": 33 }
[ { "pp": "C : Type u₁\ninst✝¹ : Category.{v₁, u₁} C\nT : Monad C\nJ : Type u\ninst✝ : Category.{v, u} J\nD : J ⥤ T.Algebra\nc : Cone (D ⋙ T.forget)\nt : IsLimit c\nX Y : J\nf : X ⟶ Y\n⊢ (((const J).obj (conePoint D c t)).map f ≫ { f := c.π.app Y, h := ⋯ }).f = ({ f := c.π.app X, h := ⋯ } ≫ D.map f).f", "ppTe...
[]
simpa using (c.w f).symm
Lean.Elab.Tactic.Simpa.evalSimpa
Lean.Parser.Tactic.simpa
Mathlib.CategoryTheory.Monad.Limits
{ "line": 192, "column": 8 }
{ "line": 192, "column": 32 }
{ "line": 192, "column": 33 }
[ { "pp": "C : Type u₁\ninst✝³ : Category.{v₁, u₁} C\nT : Monad C\nJ : Type u\ninst✝² : Category.{v, u} J\nD : J ⥤ T.Algebra\nc : Cocone (D ⋙ T.forget)\nt : IsColimit c\ninst✝¹ : PreservesColimit (D ⋙ T.forget) T.toFunctor\ninst✝ : PreservesColimit ((D ⋙ T.forget) ⋙ T.toFunctor) T.toFunctor\nj : J\n⊢ (T.mapCocone...
[ "C : Type u₁\ninst✝³ : Category.{v₁, u₁} C\nT : Monad C\nJ : Type u\ninst✝² : Category.{v, u} J\nD : J ⥤ T.Algebra\nc : Cocone (D ⋙ T.forget)\nt : IsColimit c\ninst✝¹ : PreservesColimit (D ⋙ T.forget) T.toFunctor\ninst✝ : PreservesColimit ((D ⋙ T.forget) ⋙ T.toFunctor) T.toFunctor\nj : J\n⊢ T.map ((T.mapCocone c).ι...
Functor.mapCocone_ι_app,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.CategoryTheory.Monad.Limits
{ "line": 192, "column": 33 }
{ "line": 192, "column": 57 }
{ "line": 193, "column": 6 }
[ { "pp": "C : Type u₁\ninst✝³ : Category.{v₁, u₁} C\nT : Monad C\nJ : Type u\ninst✝² : Category.{v, u} J\nD : J ⥤ T.Algebra\nc : Cocone (D ⋙ T.forget)\nt : IsColimit c\ninst✝¹ : PreservesColimit (D ⋙ T.forget) T.toFunctor\ninst✝ : PreservesColimit ((D ⋙ T.forget) ⋙ T.toFunctor) T.toFunctor\nj : J\n⊢ T.map ((T.ma...
[ "C : Type u₁\ninst✝³ : Category.{v₁, u₁} C\nT : Monad C\nJ : Type u\ninst✝² : Category.{v, u} J\nD : J ⥤ T.Algebra\nc : Cocone (D ⋙ T.forget)\nt : IsColimit c\ninst✝¹ : PreservesColimit (D ⋙ T.forget) T.toFunctor\ninst✝ : PreservesColimit ((D ⋙ T.forget) ⋙ T.toFunctor) T.toFunctor\nj : J\n⊢ T.map (T.map (c.ι.app j)...
Functor.mapCocone_ι_app,
Lean.Elab.Tactic.evalRewriteSeq
null