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Mathlib.Algebra.Polynomial.Div
{ "line": 442, "column": 6 }
{ "line": 442, "column": 17 }
[ { "pp": "R : Type u\ninst✝ : Ring R\np q : R[X]\nhmo : q.Monic\na✝ : Nontrivial R\n⊢ degree 0 < q.degree", "usedConstants": [ "WithBot.instPreorder", "Eq.mpr", "WithBot", "Preorder.toLT", "congrArg", "id", "Bot.bot", "Polynomial.degree", "Polynomial.degr...
degree_zero
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Algebra.Polynomial.Eval.SMul
{ "line": 76, "column": 70 }
{ "line": 76, "column": 81 }
[ { "pp": "R : Type u\nS : Type v\ninst✝² : Semiring R\ninst✝¹ : SMulZeroClass S R\ninst✝ : IsScalarTower S R R\ns : S\np q : R[X]\n⊢ (s • 1) • eval₂ C q p = s • eval₂ C q p", "usedConstants": [ "Eq.mpr", "Polynomial.C", "NonAssocSemiring.toAddCommMonoidWithOne", "MulOne.toOne", ...
smul_assoc,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Algebra.Polynomial.Div
{ "line": 667, "column": 35 }
{ "line": 667, "column": 43 }
[ { "pp": "R : Type u\ninst✝ : CommRing R\np₁ p₂ q : R[X]\nhq : q.Monic\na✝ : Nontrivial R\nf : R[X]\nsub_eq : p₁ - p₂ = q * f\n⊢ p₂ %ₘ q + q * (p₂ /ₘ q + f) = q * f + p₂", "usedConstants": [ "Distrib.leftDistribClass", "Eq.mpr", "Semigroup.toMul", "NonUnitalCommRing.toNonUnitalNonAsso...
mul_add,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Algebra.Polynomial.Div
{ "line": 676, "column": 16 }
{ "line": 676, "column": 24 }
[ { "pp": "R : Type u\ninst✝ : CommRing R\nq p₁ p₂ : R[X]\nhq : q.Monic\nhR : Nontrivial R\n⊢ p₁ %ₘ q + p₂ %ₘ q + q * (p₁ /ₘ q + p₂ /ₘ q) = p₁ + p₂", "usedConstants": [ "Distrib.leftDistribClass", "Eq.mpr", "NonUnitalCommRing.toNonUnitalNonAssocCommRing", "HMul.hMul", "CommRing.t...
mul_add,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Algebra.Polynomial.Div
{ "line": 670, "column": 2 }
{ "line": 680, "column": 45 }
[ { "pp": "R : Type u\ninst✝ : CommRing R\nq p₁ p₂ : R[X]\n⊢ (p₁ + p₂) %ₘ q = p₁ %ₘ q + p₂ %ₘ q", "usedConstants": [ "Nontrivial", "Distrib.leftDistribClass", "WithBot.instPreorder", "Eq.mpr", "WithBot", "Preorder.toLT", "Lattice.toSemilatticeSup", "NonUnitalCom...
by_cases hq : q.Monic · rcases subsingleton_or_nontrivial R with hR | hR · simp only [eq_iff_true_of_subsingleton] · exact (div_modByMonic_unique (p₁ /ₘ q + p₂ /ₘ q) _ hq ⟨by rw [mul_add, add_left_comm, add_assoc, modByMonic_add_div, ← add_assoc, add_comm (q * _), mod...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Polynomial.Div
{ "line": 670, "column": 2 }
{ "line": 680, "column": 45 }
[ { "pp": "R : Type u\ninst✝ : CommRing R\nq p₁ p₂ : R[X]\n⊢ (p₁ + p₂) %ₘ q = p₁ %ₘ q + p₂ %ₘ q", "usedConstants": [ "Nontrivial", "Distrib.leftDistribClass", "WithBot.instPreorder", "Eq.mpr", "WithBot", "Preorder.toLT", "Lattice.toSemilatticeSup", "NonUnitalCom...
by_cases hq : q.Monic · rcases subsingleton_or_nontrivial R with hR | hR · simp only [eq_iff_true_of_subsingleton] · exact (div_modByMonic_unique (p₁ /ₘ q + p₂ /ₘ q) _ hq ⟨by rw [mul_add, add_left_comm, add_assoc, modByMonic_add_div, ← add_assoc, add_comm (q * _), mod...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Algebra.Polynomial.Div
{ "line": 779, "column": 6 }
{ "line": 779, "column": 56 }
[ { "pp": "R : Type u\ninst✝¹ : CommRing R\np : R[X]\ninst✝ : IsDomain R\nhi : Irreducible p\nx : R\nhx : p.IsRoot x\ng : R[X]\nhg : p = (X - C x) * g\nthis : IsUnit (X - C x) ∨ IsUnit g\nh : IsUnit (X - C x)\n⊢ p.degree = 1", "usedConstants": [ "Polynomial.C", "WithBot", "Nat.instOne", ...
have h₁ : degree (X - C x) = 1 := degree_X_sub_C x
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.RingTheory.UniqueFactorizationDomain.Basic
{ "line": 170, "column": 10 }
{ "line": 170, "column": 97 }
[ { "pp": "case a\nα : Type u_1\ninst✝¹ : CommMonoidWithZero α\ninst✝ : IsCancelMulZero α\neif : ∀ (a : α), a ≠ 0 → ∃ f, (∀ b ∈ f, Irreducible b) ∧ f.prod ~ᵤ a\nuif :\n ∀ (f g : Multiset α),\n (∀ x ∈ f, Irreducible x) → (∀ x ∈ g, Irreducible x) → f.prod ~ᵤ g.prod → Multiset.Rel Associated f g\np : α\nthis : D...
· exact fun i hi => (Multiset.mem_cons.1 hi).elim (fun hip => hip.symm ▸ hpi) (hfx.1 _)
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.RingTheory.UniqueFactorizationDomain.Basic
{ "line": 348, "column": 8 }
{ "line": 349, "column": 38 }
[ { "pp": "case neg.calc_1\nα : Type u_1\ninst✝¹ : CommMonoidWithZero α\ninst✝ : IsCancelMulZero α\npf : ∀ (a : α), a ≠ 0 → ∃ f, (∀ b ∈ f, Prime b) ∧ f.prod ~ᵤ a\na b : α\nane0 : a ≠ 0\nc : α\nhc : ¬IsUnit c\nb_eq : b = a * c\nh : ¬b = 0\ncne0 : c ≠ 0\ncon : Classical.choose ⋯ = 0\n⊢ c ~ᵤ 1", "usedConstants":...
· convert (Classical.choose_spec (pf c cne0)).2.symm rw [con, Multiset.prod_zero]
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Algebra.Polynomial.Roots
{ "line": 82, "column": 2 }
{ "line": 82, "column": 94 }
[ { "pp": "case neg\nR : Type u\ninst✝¹ : CommRing R\ninst✝ : IsDomain R\np : R[X]\nhp0 : ¬p = 0\n⊢ p.roots.card ≤ p.natDegree", "usedConstants": [ "WithBot.instPreorder", "WithBot.some", "WithBot", "Polynomial.roots", "Polynomial.degree_eq_natDegree", "CommSemiring.toSemir...
exact WithBot.coe_le_coe.1 (le_trans (card_roots hp0) (le_of_eq <| degree_eq_natDegree hp0))
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Algebra.Polynomial.FieldDivision
{ "line": 380, "column": 12 }
{ "line": 380, "column": 21 }
[ { "pp": "R : Type u\ninst✝ : Field R\np q : R[X]\nhq0 : q ≠ 0\nh : p / q = 0\nthis : q * 0 + p % q = p\n⊢ p.degree < q.degree", "usedConstants": [ "NonUnitalCommRing.toNonUnitalNonAssocCommRing", "HMul.hMul", "CommRing.toNonUnitalCommRing", "MulZeroClass.toMul", "congrArg", ...
mul_zero,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.UniqueFactorizationDomain.FactorSet
{ "line": 272, "column": 21 }
{ "line": 272, "column": 81 }
[ { "pp": "α : Type u_1\ninst✝¹ : CommMonoidWithZero α\ninst✝ : UniqueFactorizationMonoid α\ns t : Associates α\nd : Associates α\neq : t = s * d\n⊢ s.factors ≤ t.factors", "usedConstants": [ "CommMonoidWithZero.toCommMonoid", "Eq.mpr", "Associates.factors_mul", "Semigroup.toMul", ...
by rw [eq, factors_mul]; exact le_add_of_nonneg_right bot_le
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.RingTheory.Polynomial.UniqueFactorization
{ "line": 66, "column": 8 }
{ "line": 66, "column": 61 }
[ { "pp": "case neg.h\nR : Type u_1\ninst✝² : CommSemiring R\ninst✝¹ : NoZeroDivisors R\ninst✝ : WfDvdMonoid R\nf a : R[X]\nane0 : a ≠ 0\nc : R[X]\nnot_unit_c : ¬IsUnit c\nhac : ¬a * c = 0\ncne0 : c ≠ 0\nhdeg : ¬c.natDegree = 0\n⊢ a.natDegree < a.natDegree + c.natDegree", "usedConstants": [ "lt_add_of_p...
exact lt_add_of_pos_right _ (Nat.pos_of_ne_zero hdeg)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.RingTheory.UniqueFactorizationDomain.FactorSet
{ "line": 593, "column": 37 }
{ "line": 593, "column": 46 }
[ { "pp": "case neg\nα : Type u_1\ninst✝³ : CommMonoidWithZero α\ninst✝² : UniqueFactorizationMonoid α\ninst✝¹ : DecidableEq (Associates α)\ninst✝ : (p : Associates α) → Decidable (Irreducible p)\np a : Associates α\nhp : Irreducible p\nn : ℕ\nh✝ : a ∣ p ^ n\na✝ : Nontrivial α\nhph : p ^ n ≠ 0\nha : a ≠ 0\neq_zer...
mul_zero,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.Algebraic.Basic
{ "line": 41, "column": 2 }
{ "line": 41, "column": 41 }
[ { "pp": "R : Type u\nA : Type v\ninst✝² : CommRing R\ninst✝¹ : Ring A\ninst✝ : Algebra R A\na : A\nh : Subsingleton R\n⊢ ¬IsAlgebraic R a", "usedConstants": [ "is_transcendental_of_subsingleton" ] } ]
apply is_transcendental_of_subsingleton
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Data.Real.Basic
{ "line": 205, "column": 18 }
{ "line": 205, "column": 57 }
[ { "pp": "x : ℝ\n⊢ { cauchy := ↑0 } = 0", "usedConstants": [ "Real", "Real.cauchy", "CauSeq.Completion.instNatCastCauchy", "Real.ext_cauchy", "Real.instZero", "abs", "congrArg", "IsAbsoluteValue.abs_isAbsoluteValue", "AddMonoid.toAddZeroClass", "Rat...
by apply ext_cauchy; simp [cauchy_zero]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.Real.Basic
{ "line": 288, "column": 33 }
{ "line": 288, "column": 58 }
[ { "pp": "⊢ mk 0 = 0", "usedConstants": [ "Eq.mpr", "Real", "Real.instZero", "abs", "Real.ofCauchy_zero", "congrArg", "IsAbsoluteValue.abs_isAbsoluteValue", "Rat", "CauSeq.Completion.Cauchy", "Rat.linearOrder", "Real.ofCauchy", "id", ...
rw [← ofCauchy_zero]; rfl
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Real.Basic
{ "line": 288, "column": 33 }
{ "line": 288, "column": 58 }
[ { "pp": "⊢ mk 0 = 0", "usedConstants": [ "Eq.mpr", "Real", "Real.instZero", "abs", "Real.ofCauchy_zero", "congrArg", "IsAbsoluteValue.abs_isAbsoluteValue", "Rat", "CauSeq.Completion.Cauchy", "Rat.linearOrder", "Real.ofCauchy", "id", ...
rw [← ofCauchy_zero]; rfl
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.Real.Basic
{ "line": 428, "column": 4 }
{ "line": 428, "column": 28 }
[ { "pp": "case h.h\nx : ℝ\ny✝¹ y✝ : CauSeq ℚ abs\n⊢ y✝¹ ≤ y✝¹ ⊔ y✝", "usedConstants": [ "Rat", "Rat.linearOrder", "CauSeq.le_sup_left", "Rat.instField", "Rat.instIsStrictOrderedRing" ] } ]
exact CauSeq.le_sup_left
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.RingTheory.Algebraic.Basic
{ "line": 664, "column": 4 }
{ "line": 664, "column": 36 }
[ { "pp": "case h.e'_3\nK : Type u_1\nL : Type u_2\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Algebra K L\nx : L\np : K[X]\naeval_eq : (aeval x) p = 0\ncoeff_zero_ne : p.coeff 0 ≠ 0\n⊢ -((aeval x) p.divX / (algebraMap K L) (p.coeff 0)) = (aeval x) p.divX / ((aeval x) p - (algebraMap K L) (p.coeff 0))", "use...
rw [aeval_eq, zero_sub, div_neg]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.RingTheory.Algebraic.Basic
{ "line": 664, "column": 4 }
{ "line": 664, "column": 36 }
[ { "pp": "case h.e'_3\nK : Type u_1\nL : Type u_2\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Algebra K L\nx : L\np : K[X]\naeval_eq : (aeval x) p = 0\ncoeff_zero_ne : p.coeff 0 ≠ 0\n⊢ -((aeval x) p.divX / (algebraMap K L) (p.coeff 0)) = (aeval x) p.divX / ((aeval x) p - (algebraMap K L) (p.coeff 0))", "use...
rw [aeval_eq, zero_sub, div_neg]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.RingTheory.Algebraic.Basic
{ "line": 664, "column": 4 }
{ "line": 664, "column": 36 }
[ { "pp": "case h.e'_3\nK : Type u_1\nL : Type u_2\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Algebra K L\nx : L\np : K[X]\naeval_eq : (aeval x) p = 0\ncoeff_zero_ne : p.coeff 0 ≠ 0\n⊢ -((aeval x) p.divX / (algebraMap K L) (p.coeff 0)) = (aeval x) p.divX / ((aeval x) p - (algebraMap K L) (p.coeff 0))", "use...
rw [aeval_eq, zero_sub, div_neg]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.RingTheory.Algebraic.Basic
{ "line": 690, "column": 4 }
{ "line": 690, "column": 35 }
[ { "pp": "case refine_3\nK : Type u_1\nL : Type u_2\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Algebra K L\nA : Subalgebra K L\nx : ↥A\np : K[X]\n⊢ ∀ (p : K[X]), p ≠ 0 → (p ≠ 0 → (aeval x) p = 0 → (↑x)⁻¹ ∈ A) → p * X ≠ 0 → (aeval x) (p * X) = 0 → (↑x)⁻¹ ∈ A", "usedConstants": [ "CommSemiring.toSemiri...
intro p hp ih _ne_zero aeval_eq
Lean.Elab.Tactic.evalIntro
Lean.Parser.Tactic.intro
Mathlib.Data.NNReal.Defs
{ "line": 946, "column": 2 }
{ "line": 946, "column": 62 }
[ { "pp": "Γ₀ : Type u_1\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\nh : Nontrivial Γ₀ˣ\nf : Γ₀ →*₀ ℝ≥0\nhf : StrictMono ⇑f\nr : ℝ≥0\nhr : 0 < r\n⊢ ∃ d, f ↑d < r", "usedConstants": [ "Nontrivial", "GroupWithZero.toMonoidWithZero", "Exists", "Units", "Ne", "nontrivial_iff_ex...
obtain ⟨g, hg1⟩ := (nontrivial_iff_exists_ne (1 : Γ₀ˣ)).mp h
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalObtain
Lean.Parser.Tactic.obtain
Mathlib.Data.ENNReal.Operations
{ "line": 560, "column": 68 }
{ "line": 560, "column": 97 }
[ { "pp": "a : ℝ≥0∞\ns : Set ℝ≥0∞\n⊢ sInf s + a = ⨅ b ∈ s, b + a", "usedConstants": [ "iInf", "congrArg", "CommSemiring.toSemiring", "CompletelyDistribLattice.toCompleteLattice", "Membership.mem", "Distrib.toAdd", "ENNReal.iInf_add", "ENNReal.instCommSemiring", ...
simp [sInf_eq_iInf, iInf_add]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.ENNReal.Operations
{ "line": 560, "column": 68 }
{ "line": 560, "column": 97 }
[ { "pp": "a : ℝ≥0∞\ns : Set ℝ≥0∞\n⊢ sInf s + a = ⨅ b ∈ s, b + a", "usedConstants": [ "iInf", "congrArg", "CommSemiring.toSemiring", "CompletelyDistribLattice.toCompleteLattice", "Membership.mem", "Distrib.toAdd", "ENNReal.iInf_add", "ENNReal.instCommSemiring", ...
simp [sInf_eq_iInf, iInf_add]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Operations
{ "line": 560, "column": 68 }
{ "line": 560, "column": 97 }
[ { "pp": "a : ℝ≥0∞\ns : Set ℝ≥0∞\n⊢ sInf s + a = ⨅ b ∈ s, b + a", "usedConstants": [ "iInf", "congrArg", "CommSemiring.toSemiring", "CompletelyDistribLattice.toCompleteLattice", "Membership.mem", "Distrib.toAdd", "ENNReal.iInf_add", "ENNReal.instCommSemiring", ...
simp [sInf_eq_iInf, iInf_add]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Operations
{ "line": 575, "column": 67 }
{ "line": 575, "column": 92 }
[ { "pp": "ι : Type u_2\ninst✝¹ : Preorder ι\ninst✝ : IsCodirectedOrder ι\nf g : ι → ℝ≥0∞\nhf : Monotone f\nhg : Monotone g\ni j _k : ι\nx✝ : _k ≤ i ∧ _k ≤ j\nhi : _k ≤ i\nhj : _k ≤ j\n⊢ f _k + g _k ≤ f i + g j", "usedConstants": [ "ENNReal.instAddCommMonoid", "CommSemiring.toSemiring", "cov...
by gcongr <;> apply_rules
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Operations
{ "line": 623, "column": 4 }
{ "line": 623, "column": 73 }
[ { "pp": "case neg\nι : Sort u_1\nf : ι → ℝ≥0\nh : ¬BddAbove (range f)\n⊢ (⨆ i, ↑(f i)).toNNReal = ⨆ i, f i", "usedConstants": [ "Iff.mpr", "Eq.mpr", "ENNReal.toNNReal_top", "NNReal.iSup_of_not_bddAbove", "ENNReal.ofNNReal", "congrArg", "iSup", "PartialOrder.to...
rw [NNReal.iSup_of_not_bddAbove h, iSup_coe_eq_top.2 h, toNNReal_top]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.ENNReal.Operations
{ "line": 623, "column": 4 }
{ "line": 623, "column": 73 }
[ { "pp": "case neg\nι : Sort u_1\nf : ι → ℝ≥0\nh : ¬BddAbove (range f)\n⊢ (⨆ i, ↑(f i)).toNNReal = ⨆ i, f i", "usedConstants": [ "Iff.mpr", "Eq.mpr", "ENNReal.toNNReal_top", "NNReal.iSup_of_not_bddAbove", "ENNReal.ofNNReal", "congrArg", "iSup", "PartialOrder.to...
rw [NNReal.iSup_of_not_bddAbove h, iSup_coe_eq_top.2 h, toNNReal_top]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Operations
{ "line": 623, "column": 4 }
{ "line": 623, "column": 73 }
[ { "pp": "case neg\nι : Sort u_1\nf : ι → ℝ≥0\nh : ¬BddAbove (range f)\n⊢ (⨆ i, ↑(f i)).toNNReal = ⨆ i, f i", "usedConstants": [ "Iff.mpr", "Eq.mpr", "ENNReal.toNNReal_top", "NNReal.iSup_of_not_bddAbove", "ENNReal.ofNNReal", "congrArg", "iSup", "PartialOrder.to...
rw [NNReal.iSup_of_not_bddAbove h, iSup_coe_eq_top.2 h, toNNReal_top]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Operations
{ "line": 701, "column": 67 }
{ "line": 701, "column": 92 }
[ { "pp": "ι : Type u_3\ninst✝¹ : Preorder ι\ninst✝ : IsDirectedOrder ι\nf g : ι → ℝ≥0∞\nhf : Monotone f\nhg : Monotone g\ni j _k : ι\nx✝ : i ≤ _k ∧ j ≤ _k\nhi : i ≤ _k\nhj : j ≤ _k\n⊢ f i + g j ≤ f _k + g _k", "usedConstants": [ "ENNReal.instAddCommMonoid", "CommSemiring.toSemiring", "covar...
by gcongr <;> apply_rules
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.Sign.Defs
{ "line": 293, "column": 2 }
{ "line": 293, "column": 22 }
[ { "pp": "α : Type u_1\ninst✝² : Zero α\ninst✝¹ : Preorder α\ninst✝ : DecidableLT α\na : α\nh : sign a = -1\n⊢ a < 0", "usedConstants": [ "Preorder.toLT", "SignType.instOne", "congrArg", "PartialOrder.toPreorder", "SignType.instLinearOrder", "SemilatticeInf.toPartialOrder"...
rw [sign_apply] at h
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.Sign.Defs
{ "line": 312, "column": 2 }
{ "line": 312, "column": 22 }
[ { "pp": "α : Type u_1\ninst✝¹ : Zero α\ninst✝ : LinearOrder α\na : α\nh : sign a = 0\n⊢ a = 0", "usedConstants": [ "Preorder.toLT", "SignType.instOne", "congrArg", "PartialOrder.toPreorder", "SignType.instLinearOrder", "SemilatticeInf.toPartialOrder", "Eq.mp", ...
rw [sign_apply] at h
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.Sign.Basic
{ "line": 193, "column": 15 }
{ "line": 193, "column": 27 }
[ { "pp": "α : Type u\ninst✝¹ : Nonempty α\ninst✝ : DecidableEq α\ns : Finset α\nf : α → ℤ\nn : ℕ\nh : ∑ i ∈ s, (f i).natAbs ≤ n\nβ : Type u\nw✝ : Fintype β\nsgn : β → SignType\ng : β → α\nhg : ∀ (b : β), g b ∈ s\nhβ : Fintype.card β = ∑ a ∈ s, (f a).natAbs\nhf : ∀ a ∈ s, (∑ b, if g b = a then ↑(sgn b) else 0) = ...
simp [hβ, h]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.Sign.Basic
{ "line": 193, "column": 15 }
{ "line": 193, "column": 27 }
[ { "pp": "α : Type u\ninst✝¹ : Nonempty α\ninst✝ : DecidableEq α\ns : Finset α\nf : α → ℤ\nn : ℕ\nh : ∑ i ∈ s, (f i).natAbs ≤ n\nβ : Type u\nw✝ : Fintype β\nsgn : β → SignType\ng : β → α\nhg : ∀ (b : β), g b ∈ s\nhβ : Fintype.card β = ∑ a ∈ s, (f a).natAbs\nhf : ∀ a ∈ s, (∑ b, if g b = a then ↑(sgn b) else 0) = ...
simp [hβ, h]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Sign.Basic
{ "line": 193, "column": 15 }
{ "line": 193, "column": 27 }
[ { "pp": "α : Type u\ninst✝¹ : Nonempty α\ninst✝ : DecidableEq α\ns : Finset α\nf : α → ℤ\nn : ℕ\nh : ∑ i ∈ s, (f i).natAbs ≤ n\nβ : Type u\nw✝ : Fintype β\nsgn : β → SignType\ng : β → α\nhg : ∀ (b : β), g b ∈ s\nhβ : Fintype.card β = ∑ a ∈ s, (f a).natAbs\nhf : ∀ a ∈ s, (∑ b, if g b = a then ↑(sgn b) else 0) = ...
simp [hβ, h]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.EReal.Basic
{ "line": 708, "column": 4 }
{ "line": 708, "column": 53 }
[ { "pp": "x : EReal\nhx : x ≤ 0\n⊢ ENNReal.ofReal x.toReal = 0", "usedConstants": [ "EReal.toReal_nonpos", "ENNReal.ofReal_of_nonpos", "EReal.toReal" ] } ]
exact ENNReal.ofReal_of_nonpos (toReal_nonpos hx)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Data.EReal.Basic
{ "line": 708, "column": 4 }
{ "line": 708, "column": 53 }
[ { "pp": "x : EReal\nhx : x ≤ 0\n⊢ ENNReal.ofReal x.toReal = 0", "usedConstants": [ "EReal.toReal_nonpos", "ENNReal.ofReal_of_nonpos", "EReal.toReal" ] } ]
exact ENNReal.ofReal_of_nonpos (toReal_nonpos hx)
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.EReal.Basic
{ "line": 708, "column": 4 }
{ "line": 708, "column": 53 }
[ { "pp": "x : EReal\nhx : x ≤ 0\n⊢ ENNReal.ofReal x.toReal = 0", "usedConstants": [ "EReal.toReal_nonpos", "ENNReal.ofReal_of_nonpos", "EReal.toReal" ] } ]
exact ENNReal.ofReal_of_nonpos (toReal_nonpos hx)
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Inv
{ "line": 270, "column": 2 }
{ "line": 270, "column": 26 }
[ { "pp": "a b c : ℝ≥0∞\nh : 0 < b → b < a → c ≠ 0\n⊢ (a - b) / c = a / c - b / c", "usedConstants": [ "Eq.mpr", "DivInvMonoid.toInv", "instHDiv", "HMul.hMul", "Monoid.toMulOneClass", "congrArg", "HSub.hSub", "id", "MulOne.toMul", "HDiv.hDiv", ...
simp_rw [div_eq_mul_inv]
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
Mathlib.Tactic.tacticSimp_rw___
Mathlib.Data.ENNReal.Inv
{ "line": 361, "column": 27 }
{ "line": 361, "column": 39 }
[ { "pp": "a b : ℝ≥0∞\nh₀ : a ≠ 0\nh₁ : a ≠ ∞\n⊢ a = 0 → b = 0", "usedConstants": [ "False", "eq_false", "instZeroENNReal", "implies_congr", "True", "ENNReal", "of_eq_true", "Zero.toOfNat0", "Eq.refl", "instIsEmptyFalse", "OfNat.ofNat", "...
by simp [h₀]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Algebra.Group.EvenFunction
{ "line": 143, "column": 36 }
{ "line": 143, "column": 41 }
[ { "pp": "case h\nα : Type u_3\nβ : Type u_4\ninst✝² : AddCommGroup β\ninst✝¹ : IsAddTorsionFree β\nf : α → β\ninst✝ : Neg α\nhe : Function.Even f\nho : Function.Odd f\nr : α\n⊢ -f r = f r", "usedConstants": [ "AddGroup.toSubtractionMonoid", "Eq.mpr", "NegZeroClass.toNeg", "congrArg",...
← ho,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.ENNReal.Inv
{ "line": 521, "column": 6 }
{ "line": 521, "column": 26 }
[ { "pp": "a b c d : ℝ≥0∞\nha : a ≠ 0\nha' : a ≠ ∞\nhb : b ≠ 0\nhb' : b ≠ ∞\n⊢ a * (c / b) = d ↔ b * d = a * c", "usedConstants": [ "Eq.mpr", "instHDiv", "HMul.hMul", "congrArg", "CommSemiring.toSemiring", "id", "HDiv.hDiv", "ENNReal.instCommSemiring", "If...
← eq_div_iff hb hb',
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Operations
{ "line": 418, "column": 4 }
{ "line": 419, "column": 44 }
[ { "pp": "case neg\nx y : ℝ\nhy : 0 ≤ ↑y\nhxy : ¬x ≤ y\n⊢ (↑x - ↑y).toENNReal = (↑x).toENNReal - (↑y).toENNReal", "usedConstants": [ "Eq.mpr", "Real.instLE", "Real", "Preorder.toLT", "EReal.toENNReal_of_ne_top", "LinearOrder.toDecidableEq", "Real.instZero", "EN...
rw [toENNReal_of_ne_top (ne_of_beq_false rfl).symm, ← coe_sub, toReal_coe, ofReal_sub x (EReal.coe_nonneg.mp hy)]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.EReal.Operations
{ "line": 441, "column": 2 }
{ "line": 451, "column": 66 }
[ { "pp": "a b c : EReal\nhb : b ≠ ⊥ ∨ c ≠ ⊥\nht : b ≠ ⊤ ∨ c ≠ ⊤\n⊢ a ≤ c - b ↔ a + b ≤ c", "usedConstants": [ "Iff.mpr", "Eq.mpr", "_private.Mathlib.Data.EReal.Operations.0.EReal.le_sub_iff_add_le._simp_1_3", "EReal.sub_top", "False", "Real", "EReal.addLECancellable_...
induction b with | bot => simp only [ne_eq, not_true_eq_false, false_or] at hb simp only [sub_bot hb, le_top, add_bot, bot_le] | coe b => rw [← (addLECancellable_coe b).add_le_add_iff_right, sub_add_cancel] | top => simp only [ne_eq, not_true_eq_false, false_or, sub_top, le_bot_iff] at ht ⊢ re...
_private.Lean.Elab.Tactic.Induction.0.Lean.Elab.Tactic.evalInduction
Lean.Parser.Tactic.induction
Mathlib.Data.EReal.Operations
{ "line": 441, "column": 2 }
{ "line": 451, "column": 66 }
[ { "pp": "a b c : EReal\nhb : b ≠ ⊥ ∨ c ≠ ⊥\nht : b ≠ ⊤ ∨ c ≠ ⊤\n⊢ a ≤ c - b ↔ a + b ≤ c", "usedConstants": [ "Iff.mpr", "Eq.mpr", "_private.Mathlib.Data.EReal.Operations.0.EReal.le_sub_iff_add_le._simp_1_3", "EReal.sub_top", "False", "Real", "EReal.addLECancellable_...
induction b with | bot => simp only [ne_eq, not_true_eq_false, false_or] at hb simp only [sub_bot hb, le_top, add_bot, bot_le] | coe b => rw [← (addLECancellable_coe b).add_le_add_iff_right, sub_add_cancel] | top => simp only [ne_eq, not_true_eq_false, false_or, sub_top, le_bot_iff] at ht ⊢ re...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.EReal.Operations
{ "line": 441, "column": 2 }
{ "line": 451, "column": 66 }
[ { "pp": "a b c : EReal\nhb : b ≠ ⊥ ∨ c ≠ ⊥\nht : b ≠ ⊤ ∨ c ≠ ⊤\n⊢ a ≤ c - b ↔ a + b ≤ c", "usedConstants": [ "Iff.mpr", "Eq.mpr", "_private.Mathlib.Data.EReal.Operations.0.EReal.le_sub_iff_add_le._simp_1_3", "EReal.sub_top", "False", "Real", "EReal.addLECancellable_...
induction b with | bot => simp only [ne_eq, not_true_eq_false, false_or] at hb simp only [sub_bot hb, le_top, add_bot, bot_le] | coe b => rw [← (addLECancellable_coe b).add_le_add_iff_right, sub_add_cancel] | top => simp only [ne_eq, not_true_eq_false, false_or, sub_top, le_bot_iff] at ht ⊢ re...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.EReal.Operations
{ "line": 717, "column": 20 }
{ "line": 717, "column": 30 }
[ { "pp": "a b : EReal\n⊢ 0 ≤ -(a * b) ↔ 0 ≤ a ∧ b ≤ 0 ∨ a ≤ 0 ∧ 0 ≤ b", "usedConstants": [ "Eq.mpr", "HMul.hMul", "congrArg", "PartialOrder.toPreorder", "EReal.instNeg", "EReal", "Preorder.toLE", "id", "instZeroEReal", "LE.le", "SubNegZeroMono...
← mul_neg,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Inv
{ "line": 432, "column": 2 }
{ "line": 432, "column": 84 }
[ { "pp": "b : EReal\nh : b < 0\nh' : b ≠ ⊥\na a' : EReal\na_lt_a' : a < a'\n⊢ a' / b < a / b", "usedConstants": [ "EReal.instDivInvMonoid", "instHDiv", "PartialOrder.toPreorder", "EReal", "le_of_lt", "HDiv.hDiv", "instZeroEReal", "EReal.div_le_div_right_of_nonp...
apply lt_of_le_of_ne <| div_le_div_right_of_nonpos (le_of_lt h) (le_of_lt a_lt_a')
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Order.Filter.CountablyGenerated
{ "line": 166, "column": 2 }
{ "line": 168, "column": 82 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Type u_4\nι' : Sort u_5\nf g : Filter α\ninst✝¹ : f.IsCountablyGenerated\ninst✝ : g.IsCountablyGenerated\n⊢ (f ⊔ g).IsCountablyGenerated", "usedConstants": [ "Filter.HasCountableBasis.mk", "Filter.HasAntitoneBasis.toHasBasis", "setOf",...
rcases f.exists_antitone_basis with ⟨s, hs⟩ rcases g.exists_antitone_basis with ⟨t, ht⟩ exact HasCountableBasis.isCountablyGenerated ⟨hs.1.sup ht.1, Set.to_countable _⟩
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Order.Filter.CountablyGenerated
{ "line": 166, "column": 2 }
{ "line": 168, "column": 82 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Type u_4\nι' : Sort u_5\nf g : Filter α\ninst✝¹ : f.IsCountablyGenerated\ninst✝ : g.IsCountablyGenerated\n⊢ (f ⊔ g).IsCountablyGenerated", "usedConstants": [ "Filter.HasCountableBasis.mk", "Filter.HasAntitoneBasis.toHasBasis", "setOf",...
rcases f.exists_antitone_basis with ⟨s, hs⟩ rcases g.exists_antitone_basis with ⟨t, ht⟩ exact HasCountableBasis.isCountablyGenerated ⟨hs.1.sup ht.1, Set.to_countable _⟩
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Order.Filter.Pi
{ "line": 322, "column": 2 }
{ "line": 322, "column": 55 }
[ { "pp": "ι : Type u_1\nα : ι → Type u_2\nf : (i : ι) → Filter (α i)\nβ : ι → Type u_3\nm : (i : ι) → α i → β i\ns : Set ((i : ι) → β i)\nh : ∀ (i : ι), ∃ t₁, m i ⁻¹' t₁ ∈ f i ∧ eval i ⁻¹' t₁ ⊆ s\ni : ι\nt : Set (β i)\nH : m i ⁻¹' t ∈ f i\nhH : eval i ⁻¹' t ⊆ s\n⊢ ∃ t₁ ∈ f i, eval i ⁻¹' t₁ ⊆ (fun k i ↦ m i (k i)...
exact ⟨{ x : α i | m i x ∈ t }, H, fun x hx => hH hx⟩
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Order.Filter.Prod
{ "line": 300, "column": 72 }
{ "line": 302, "column": 45 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nf : Filter α\ng : Filter β\nh : Filter γ\n⊢ map (⇑(Equiv.prodAssoc α β γ).symm) (f ×ˢ g ×ˢ h) = (f ×ˢ g) ×ˢ h", "usedConstants": [ "Eq.mpr", "Equiv.instEquivLike", "CompleteLattice.toLattice", "SProd.sprod", "congrArg", "...
by simp_rw [map_equiv_symm, prod_eq_inf, comap_inf, comap_comap, inf_assoc, Function.comp_def, Equiv.prodAssoc_apply]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Order.Filter.IsBounded
{ "line": 184, "column": 2 }
{ "line": 184, "column": 84 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : Preorder β\ninst✝ : IsDirectedOrder β\nf : α → β\nb : β\nhb : ∀ᶠ (x : β) in map f cofinite, (fun x1 x2 ↦ x1 ≤ x2) x b\nthis : Nonempty β\n⊢ BddAbove (range f)", "usedConstants": [ "Eq.mpr", "Set.image_univ", "bddAbove_union", "congrArg", ...
rw [← image_univ, ← union_compl_self { x | f x ≤ b }, image_union, bddAbove_union]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Order.Filter.Lift
{ "line": 67, "column": 2 }
{ "line": 67, "column": 52 }
[ { "pp": "α : Type u_1\nγ : Type u_3\nι : Type u_6\np : ι → Prop\ns : ι → Set α\nf : Filter α\nhf : f.HasBasis p s\nβ : ι → Type u_5\npg : (i : ι) → β i → Prop\nsg : (i : ι) → β i → Set γ\ng : Set α → Filter γ\nhg : ∀ (i : ι), (g (s i)).HasBasis (pg i) (sg i)\ngm : Monotone g\n⊢ (f.lift g).HasBasis (fun i ↦ p i....
refine ⟨fun t => (hf.mem_lift_iff hg gm).trans ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Order.Filter.Lift
{ "line": 156, "column": 2 }
{ "line": 156, "column": 87 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nf : Filter α\ng : Set α → Filter β\nhm : Monotone g\n⊢ (f.lift g).NeBot ↔ ∀ s ∈ f, (g s).NeBot", "usedConstants": [ "Filter.instMembership", "congrArg", "_private.Mathlib.Order.Filter.Lift.0.Filter.lift_neBot_iff._simp_1_1", "Filter.NeBot", ...
simp only [neBot_iff, Ne, ← empty_mem_iff_bot, mem_lift_sets hm, not_exists, not_and]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Order.Filter.Lift
{ "line": 156, "column": 2 }
{ "line": 156, "column": 87 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nf : Filter α\ng : Set α → Filter β\nhm : Monotone g\n⊢ (f.lift g).NeBot ↔ ∀ s ∈ f, (g s).NeBot", "usedConstants": [ "Filter.instMembership", "congrArg", "_private.Mathlib.Order.Filter.Lift.0.Filter.lift_neBot_iff._simp_1_1", "Filter.NeBot", ...
simp only [neBot_iff, Ne, ← empty_mem_iff_bot, mem_lift_sets hm, not_exists, not_and]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Order.Filter.Lift
{ "line": 156, "column": 2 }
{ "line": 156, "column": 87 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nf : Filter α\ng : Set α → Filter β\nhm : Monotone g\n⊢ (f.lift g).NeBot ↔ ∀ s ∈ f, (g s).NeBot", "usedConstants": [ "Filter.instMembership", "congrArg", "_private.Mathlib.Order.Filter.Lift.0.Filter.lift_neBot_iff._simp_1_1", "Filter.NeBot", ...
simp only [neBot_iff, Ne, ← empty_mem_iff_bot, mem_lift_sets hm, not_exists, not_and]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Basic
{ "line": 87, "column": 2 }
{ "line": 87, "column": 33 }
[ { "pp": "X : Type u\nα : Type u_1\ns : Set X\ninst✝ : TopologicalSpace X\nf : α → Set X\nho : ∀ (i : α), IsOpen (f i)\nhU : ⋃ i, f i = univ\nh : ∀ (i : α), IsOpen (f i ∩ s)\n⊢ IsOpen (⋃ i, f i ∩ s)", "usedConstants": [ "Set.instInter", "Inter.inter", "isOpen_iUnion", "Set" ] } ...
exact isOpen_iUnion fun i ↦ h i
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Closure
{ "line": 446, "column": 4 }
{ "line": 446, "column": 15 }
[ { "pp": "case mpr\nX : Type u\ninst✝ : TopologicalSpace X\nx : X\nho : ¬IsOpen {x}\nhU : IsOpen {x}\nhne : {x}.Nonempty\nhUx : {x} ⊆ {x}\n⊢ False", "usedConstants": [] } ]
exact ho hU
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Order.LiminfLimsup
{ "line": 1153, "column": 6 }
{ "line": 1153, "column": 29 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nι : Type u_4\ninst✝ : ConditionallyCompleteLinearOrder β\nf : Filter α\nF : ι → α → β\ns : Finset ι\nhs : s.Nonempty\nh₁ : ∀ i ∈ s, IsCoboundedUnder (fun x1 x2 ↦ x1 ≤ x2) f (F i)\nh₂ : ∀ i ∈ s, IsBoundedUnder (fun x1 x2 ↦ x1 ≤ x2) f (F i)\nbddsup : IsBoundedUnder (fun x1 x2 ...
rcases hs with ⟨i, i_s⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRCases
Lean.Parser.Tactic.rcases
Mathlib.Topology.ClusterPt
{ "line": 250, "column": 2 }
{ "line": 251, "column": 51 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\nf : Filter X\n⊢ IsClosed {x | ClusterPt x f}", "usedConstants": [ "Filter.instMembership", "Eq.mpr", "isClosed_biInter", "congrArg", "Set.iInter", "setOf", "Membership.mem", "_private.Mathlib.Topology.ClusterPt....
simp only [clusterPt_iff_forall_mem_closure, setOf_forall] exact isClosed_biInter fun _ _ ↦ isClosed_closure
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.ClusterPt
{ "line": 250, "column": 2 }
{ "line": 251, "column": 51 }
[ { "pp": "X : Type u\ninst✝ : TopologicalSpace X\nf : Filter X\n⊢ IsClosed {x | ClusterPt x f}", "usedConstants": [ "Filter.instMembership", "Eq.mpr", "isClosed_biInter", "congrArg", "Set.iInter", "setOf", "Membership.mem", "_private.Mathlib.Topology.ClusterPt....
simp only [clusterPt_iff_forall_mem_closure, setOf_forall] exact isClosed_biInter fun _ _ ↦ isClosed_closure
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Order
{ "line": 968, "column": 2 }
{ "line": 968, "column": 25 }
[ { "pp": "α : Type u_1\nl : Filter α\np : α → Prop\nq : Prop\n⊢ Tendsto p l (𝓝 q) ↔ q → ∀ᶠ (x : α) in l, p x", "usedConstants": [ "Pure.pure", "False", "eq_false", "nhds_false", "congrArg", "Filter.Eventually", "nhds_true", "Filter.tendsto_pure._simp_1", ...
by_cases q <;> simp [*]
Lean.Parser.Tactic.«_aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tactic_<;>__1»
Lean.Parser.Tactic.«tactic_<;>_»
Mathlib.Topology.Order
{ "line": 968, "column": 2 }
{ "line": 968, "column": 25 }
[ { "pp": "α : Type u_1\nl : Filter α\np : α → Prop\nq : Prop\n⊢ Tendsto p l (𝓝 q) ↔ q → ∀ᶠ (x : α) in l, p x", "usedConstants": [ "Pure.pure", "False", "eq_false", "nhds_false", "congrArg", "Filter.Eventually", "nhds_true", "Filter.tendsto_pure._simp_1", ...
by_cases q <;> simp [*]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Order
{ "line": 968, "column": 2 }
{ "line": 968, "column": 25 }
[ { "pp": "α : Type u_1\nl : Filter α\np : α → Prop\nq : Prop\n⊢ Tendsto p l (𝓝 q) ↔ q → ∀ᶠ (x : α) in l, p x", "usedConstants": [ "Pure.pure", "False", "eq_false", "nhds_false", "congrArg", "Filter.Eventually", "nhds_true", "Filter.tendsto_pure._simp_1", ...
by_cases q <;> simp [*]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Homeomorph.Defs
{ "line": 222, "column": 4 }
{ "line": 222, "column": 48 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nh : X ≃ₜ Y\n⊢ IsQuotientMap (⇑h ∘ ⇑h.symm)", "usedConstants": [ "congrArg", "Function.comp", "id", "_private.Mathlib.Topology.Homeomorph.Defs.0.Homeomorph.isQuotientMap._simp_1_1", "Ho...
simp only [self_comp_symm, IsQuotientMap.id]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.Homeomorph.Defs
{ "line": 222, "column": 4 }
{ "line": 222, "column": 48 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nh : X ≃ₜ Y\n⊢ IsQuotientMap (⇑h ∘ ⇑h.symm)", "usedConstants": [ "congrArg", "Function.comp", "id", "_private.Mathlib.Topology.Homeomorph.Defs.0.Homeomorph.isQuotientMap._simp_1_1", "Ho...
simp only [self_comp_symm, IsQuotientMap.id]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Homeomorph.Defs
{ "line": 222, "column": 4 }
{ "line": 222, "column": 48 }
[ { "pp": "X : Type u_1\nY : Type u_2\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nh : X ≃ₜ Y\n⊢ IsQuotientMap (⇑h ∘ ⇑h.symm)", "usedConstants": [ "congrArg", "Function.comp", "id", "_private.Mathlib.Topology.Homeomorph.Defs.0.Homeomorph.isQuotientMap._simp_1_1", "Ho...
simp only [self_comp_symm, IsQuotientMap.id]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Maps.Basic
{ "line": 502, "column": 6 }
{ "line": 502, "column": 18 }
[ { "pp": "X : Type u_1\nY : Type u_2\nf : X → Y\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\n⊢ IsClosedMap f ↔ ∀ {u : Set X}, IsOpen u → IsOpen (kernImage f u)", "usedConstants": [ "Eq.mpr", "Set.kernImage", "congrArg", "id", "IsClosedMap.eq_1", "IsClosedMap",...
IsClosedMap,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Constructions
{ "line": 306, "column": 4 }
{ "line": 306, "column": 68 }
[ { "pp": "case h.mp\nX : Type u\nx : CofiniteTopology X\nU V : Set (CofiniteTopology X)\nhVU : V ⊆ U\nV_op : IsOpen V\nhaV : x ∈ V\n⊢ U ∈ pure x ⊔ cofinite", "usedConstants": [ "Pure.pure", "Filter.instMembership", "Iff.mpr", "Membership.mem", "Filter.instPure", "And", ...
exact mem_sup.mpr ⟨hVU haV, mem_of_superset (V_op ⟨_, haV⟩) hVU⟩
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.NhdsWithin
{ "line": 571, "column": 78 }
{ "line": 572, "column": 82 }
[ { "pp": "α : Type u_1\ninst✝ : TopologicalSpace α\ns t : Set α\n⊢ 𝓟 (s ∩ t) ≤ 𝓝ˢ[t] s", "usedConstants": [ "Filter.instMembership", "Eq.mpr", "and_true", "Set.inter_subset_right._simp_1", "congrArg", "Filter.inf_principal", "Filter.instCompleteLatticeFilter", ...
by simpa [nhdsSetWithin] using inf_le_of_left_le (b := 𝓟 t) <| principal_le_nhdsSet
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Constructions.SumProd
{ "line": 974, "column": 2 }
{ "line": 974, "column": 78 }
[ { "pp": "X : Type u\nY : Type v\nZ : Type u_2\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace Y\ninst✝ : TopologicalSpace Z\nf : X → Z\ng : Y → Z\nhf : IsInducing f\nhg : IsInducing g\nhFg : Disjoint (𝓟 (range f)) (𝓝ˢ (range g))\nhfG : Disjoint (𝓝ˢ (range f)) (𝓟 (range g))\nx : X ⊕ Y\n⊢ 𝓝 x = comap...
apply le_antisymm ((hf.continuous.sumElim hg.continuous).tendsto x).le_comap
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.Bases
{ "line": 478, "column": 2 }
{ "line": 478, "column": 56 }
[ { "pp": "α : Type u\nt : TopologicalSpace α\nι : Sort u_2\ninst✝ : Countable ι\ns c : ι → Set α\nhc : ∀ (i : ι), (c i).Countable\nh'c : ∀ (i : ι), s i ⊆ closure (c i)\ni : ι\n⊢ s i ⊆ closure (⋃ i, c i)", "usedConstants": [ "HasSubset.Subset.trans", "Set.instIsTransSubset", "closure_mono", ...
exact (h'c i).trans (closure_mono (subset_iUnion _ i))
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Compactness.SigmaCompact
{ "line": 119, "column": 6 }
{ "line": 121, "column": 47 }
[ { "pp": "case mpr.refine_1\nX : 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\nn : ℕ\n⊢ IsCompact ((fun n ↦ f ⁻¹' L n ∩ s) n)", "usedConstants": [ "Se...
have : f '' (f ⁻¹' (L n) ∩ s) = L n := by rw [image_preimage_inter, inter_eq_left.mpr] exact (subset_iUnion _ n).trans hcov.le
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Topology.Compactness.Compact
{ "line": 604, "column": 4 }
{ "line": 604, "column": 63 }
[ { "pp": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf : X → Y\ny : Y\nhf : Tendsto f (cocompact X) (𝓝 y)\nhfc : Continuous f\nl : Filter Y\nhne : l.NeBot\nhle : l ≤ 𝓟 (insert y (range f))\ns : Set Y\nhsy : s ∈ 𝓝 y\nt : Set Y\nhtl : t ∈ l\nhd : Disjoint s t\nK : Set X\nhK...
filter_upwards [htl, le_principal_iff.1 hle] with y hyt hyf
Mathlib.Tactic._aux_Mathlib_Order_Filter_Defs___elabRules_Mathlib_Tactic_filterUpwards_1
Mathlib.Tactic.filterUpwards
Mathlib.Topology.GDelta.Basic
{ "line": 189, "column": 37 }
{ "line": 189, "column": 94 }
[ { "pp": "X : Type u_1\ninst✝ : TopologicalSpace X\ns : Set X\n⊢ (∃ S ⊆ {t | IsOpen t ∧ Dense t}, S.Countable ∧ ⋂₀ S ⊆ s) ↔\n ∃ S, (∀ t ∈ S, IsOpen t) ∧ (∀ t ∈ S, Dense t) ∧ S.Countable ∧ ⋂₀ S ⊆ s", "usedConstants": [ "Eq.mpr", "_private.Mathlib.Topology.GDelta.Basic.0.mem_residual_iff._simp_1...
by simp_rw [subset_def, mem_setOf, forall_and, and_assoc]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Compactness.Compact
{ "line": 1145, "column": 6 }
{ "line": 1145, "column": 74 }
[ { "pp": "X✝ : Type u\nY : Type v\nι : Type u_1\ninst✝³ : TopologicalSpace X✝\ninst✝² : TopologicalSpace Y\ns t : Set X✝\nf : X✝ → Y\nX : ι → Type u_2\ninst✝¹ : (i : ι) → TopologicalSpace (X i)\ninst✝ : ∀ (i : ι), CompactSpace (X i)\n⊢ IsCompact univ", "usedConstants": [ "Eq.mpr", "Pi.topological...
rw [← pi_univ univ]; exact isCompact_univ_pi fun i => isCompact_univ
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Compactness.Compact
{ "line": 1145, "column": 6 }
{ "line": 1145, "column": 74 }
[ { "pp": "X✝ : Type u\nY : Type v\nι : Type u_1\ninst✝³ : TopologicalSpace X✝\ninst✝² : TopologicalSpace Y\ns t : Set X✝\nf : X✝ → Y\nX : ι → Type u_2\ninst✝¹ : (i : ι) → TopologicalSpace (X i)\ninst✝ : ∀ (i : ι), CompactSpace (X i)\n⊢ IsCompact univ", "usedConstants": [ "Eq.mpr", "Pi.topological...
rw [← pi_univ univ]; exact isCompact_univ_pi fun i => isCompact_univ
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Compactness.Compact
{ "line": 1217, "column": 22 }
{ "line": 1217, "column": 27 }
[ { "pp": "X : Type u\ninst✝¹ : TopologicalSpace X\ninst✝ : CompactSpace X\nS : Set X\nhS : IsClosed S\nhne : S.Nonempty\nopens : Set (Set X) := {U | Sᶜ ⊆ U ∧ IsOpen U ∧ Uᶜ.Nonempty}\nU : Set X\nh : Maximal (fun x ↦ x ∈ opens) U\nUc : Sᶜ ⊆ U\nUo : IsOpen U\nUcne : Uᶜ.Nonempty\nV' : Set X\nV'sub : V' ⊆ Uᶜ\nV'ne : ...
V'cls
Lean.Elab.Tactic.evalIntro
ident
Mathlib.Topology.Irreducible
{ "line": 240, "column": 2 }
{ "line": 240, "column": 53 }
[ { "pp": "X : Type u_1\ninst✝¹ : TopologicalSpace X\ns : Set X\ninst✝ : PreirreducibleSpace ↑s\n⊢ IsPreirreducible s", "usedConstants": [ "IsPreirreducible", "Eq.mpr", "Set.image_univ", "congrArg", "Set.univ", "Membership.mem", "id", "Subtype", "Subtype.r...
rw [← Subtype.range_coe (s := s), ← Set.image_univ]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Topology.Irreducible
{ "line": 261, "column": 4 }
{ "line": 264, "column": 97 }
[ { "pp": "X✝ : Type u_1\nY : Type u_2\ninst✝² : TopologicalSpace X✝\ninst✝¹ : TopologicalSpace Y\ns t : Set X✝\nX : Type u_3\ninst✝ : Infinite X\nu v : Set (CofiniteTopology X)\n⊢ IsOpen u → IsOpen v → (univ ∩ u).Nonempty → (univ ∩ v).Nonempty → (univ ∩ (u ∩ v)).Nonempty", "usedConstants": [ "Set.Finit...
haveI : Infinite (CofiniteTopology X) := ‹_› simp only [CofiniteTopology.isOpen_iff, univ_inter] intro hu hv hu' hv' simpa only [compl_union, compl_compl] using ((hu hu').union (hv hv')).infinite_compl.nonempty
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Irreducible
{ "line": 261, "column": 4 }
{ "line": 264, "column": 97 }
[ { "pp": "X✝ : Type u_1\nY : Type u_2\ninst✝² : TopologicalSpace X✝\ninst✝¹ : TopologicalSpace Y\ns t : Set X✝\nX : Type u_3\ninst✝ : Infinite X\nu v : Set (CofiniteTopology X)\n⊢ IsOpen u → IsOpen v → (univ ∩ u).Nonempty → (univ ∩ v).Nonempty → (univ ∩ (u ∩ v)).Nonempty", "usedConstants": [ "Set.Finit...
haveI : Infinite (CofiniteTopology X) := ‹_› simp only [CofiniteTopology.isOpen_iff, univ_inter] intro hu hv hu' hv' simpa only [compl_union, compl_compl] using ((hu hu').union (hv hv')).infinite_compl.nonempty
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Separation.Hausdorff
{ "line": 683, "column": 4 }
{ "line": 683, "column": 91 }
[ { "pp": "case mp\nX : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : R1Space X\nS : Set X\nh : IsPreirreducible S\nx : X\nhx : x ∈ S\ny : X\nhy : y ∈ S\ne : y ∉ closure {x}\nU V : Set X\nhU : IsOpen U\nhV : IsOpen V\nhxU : x ∈ U\nhyV : y ∈ V\nh' : Disjoint U V\n⊢ False", "usedConstants": [ "Membership...
exact ((h U V hU hV ⟨x, hx, hxU⟩ ⟨y, hy, hyV⟩).mono inter_subset_right).not_disjoint h'
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.DiscreteSubset
{ "line": 266, "column": 6 }
{ "line": 266, "column": 15 }
[ { "pp": "case pos\nX : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nhs : ∀ x ∈ U, Disjoint (𝓝[≠] x) (𝓟 (U \\ s))\nhU : IsClosed U\nx : X\nhx : x ∈ (U \\ s)ᶜ\nh₁x : x ∈ U\na : X\nha : a ∈ {x}ᶜ → a ∉ U \\ s\nh₂a : a = x\n⊢ a ∈ (U \\ s)ᶜ", "usedConstants": [ "Eq.mpr", "False", "eq_fal...
tauto_set
Mathlib.Tactic.TautoSet._aux_Mathlib_Tactic_TautoSet___macroRules_Mathlib_Tactic_TautoSet_tacticTauto_set_1
Mathlib.Tactic.TautoSet.tacticTauto_set
Mathlib.Topology.DiscreteSubset
{ "line": 266, "column": 6 }
{ "line": 266, "column": 15 }
[ { "pp": "case pos\nX : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nhs : ∀ x ∈ U, Disjoint (𝓝[≠] x) (𝓟 (U \\ s))\nhU : IsClosed U\nx : X\nhx : x ∈ (U \\ s)ᶜ\nh₁x : x ∈ U\na : X\nha : a ∈ {x}ᶜ → a ∉ U \\ s\nh₂a : a = x\n⊢ a ∈ (U \\ s)ᶜ", "usedConstants": [ "Eq.mpr", "False", "eq_fal...
tauto_set
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.DiscreteSubset
{ "line": 266, "column": 6 }
{ "line": 266, "column": 15 }
[ { "pp": "case pos\nX : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nhs : ∀ x ∈ U, Disjoint (𝓝[≠] x) (𝓟 (U \\ s))\nhU : IsClosed U\nx : X\nhx : x ∈ (U \\ s)ᶜ\nh₁x : x ∈ U\na : X\nha : a ∈ {x}ᶜ → a ∉ U \\ s\nh₂a : a = x\n⊢ a ∈ (U \\ s)ᶜ", "usedConstants": [ "Eq.mpr", "False", "eq_fal...
tauto_set
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.DiscreteSubset
{ "line": 268, "column": 6 }
{ "line": 268, "column": 15 }
[ { "pp": "case neg\nX : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nhs : ∀ x ∈ U, Disjoint (𝓝[≠] x) (𝓟 (U \\ s))\nhU : IsClosed U\nx : X\nhx : x ∈ (U \\ s)ᶜ\nh₁x : x ∈ U\na : X\nh₂a : ¬a = x\nha : a ∉ U \\ s\n⊢ a ∈ (U \\ s)ᶜ", "usedConstants": [ "Eq.mpr", "False", "eq_false", ...
tauto_set
Mathlib.Tactic.TautoSet._aux_Mathlib_Tactic_TautoSet___macroRules_Mathlib_Tactic_TautoSet_tacticTauto_set_1
Mathlib.Tactic.TautoSet.tacticTauto_set
Mathlib.Topology.DiscreteSubset
{ "line": 272, "column": 4 }
{ "line": 272, "column": 13 }
[ { "pp": "case right\nX : Type u_1\ninst✝ : TopologicalSpace X\ns U : Set X\nhs : s ∈ codiscreteWithin U\nhU : IsClosed U\nx : X\nhx : x ∈ (U \\ s)ᶜ\nh₁x : x ∉ U\ny : X\nhy : y ∈ Uᶜ\n⊢ y ∈ (U \\ s)ᶜ", "usedConstants": [ "Eq.mpr", "instDecidableNot", "False", "eq_false", "congrAr...
tauto_set
Mathlib.Tactic.TautoSet._aux_Mathlib_Tactic_TautoSet___macroRules_Mathlib_Tactic_TautoSet_tacticTauto_set_1
Mathlib.Tactic.TautoSet.tacticTauto_set
Mathlib.Topology.DiscreteSubset
{ "line": 284, "column": 4 }
{ "line": 284, "column": 13 }
[ { "pp": "case h.right\nX : Type u_3\ninst✝¹ : TopologicalSpace X\ninst✝ : T1Space X\nx : X\nU s : Set X\nhs : Finite ↑s\nt : Set X\nht : IsOpen t\nh₁ts : x ∈ t\nh₂ts : t ∩ {x}ᶜ ⊆ U\n⊢ x ∈ t \\ (s \\ {x}) ∧ t \\ (s \\ {x}) ∩ {x}ᶜ ⊆ U \\ s", "usedConstants": [ "Eq.mpr", "instDecidableNot", "...
tauto_set
Mathlib.Tactic.TautoSet._aux_Mathlib_Tactic_TautoSet___macroRules_Mathlib_Tactic_TautoSet_tacticTauto_set_1
Mathlib.Tactic.TautoSet.tacticTauto_set
Mathlib.Topology.DiscreteSubset
{ "line": 284, "column": 4 }
{ "line": 284, "column": 13 }
[ { "pp": "case h.right\nX : Type u_3\ninst✝¹ : TopologicalSpace X\ninst✝ : T1Space X\nx : X\nU s : Set X\nhs : Finite ↑s\nt : Set X\nht : IsOpen t\nh₁ts : x ∈ t\nh₂ts : t ∩ {x}ᶜ ⊆ U\n⊢ x ∈ t \\ (s \\ {x}) ∧ t \\ (s \\ {x}) ∩ {x}ᶜ ⊆ U \\ s", "usedConstants": [ "Eq.mpr", "instDecidableNot", "...
tauto_set
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.DiscreteSubset
{ "line": 284, "column": 4 }
{ "line": 284, "column": 13 }
[ { "pp": "case h.right\nX : Type u_3\ninst✝¹ : TopologicalSpace X\ninst✝ : T1Space X\nx : X\nU s : Set X\nhs : Finite ↑s\nt : Set X\nht : IsOpen t\nh₁ts : x ∈ t\nh₂ts : t ∩ {x}ᶜ ⊆ U\n⊢ x ∈ t \\ (s \\ {x}) ∧ t \\ (s \\ {x}) ∩ {x}ᶜ ⊆ U \\ s", "usedConstants": [ "Eq.mpr", "instDecidableNot", "...
tauto_set
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Separation.Basic
{ "line": 205, "column": 4 }
{ "line": 205, "column": 54 }
[ { "pp": "X : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : T0Space X\ns : Finset X\nihs : ∀ t ⊂ s, (↑t).Nonempty → IsOpen ↑t → ∃ x ∈ ↑t, IsOpen {x}\nhne : (↑s).Nonempty\nho : IsOpen ↑s\nht : ¬∃ t ⊂ s, t.Nonempty ∧ IsOpen ↑t\nt : Set X\nhts : t ⊆ ↑s\nhtne : t.Nonempty\nhto : IsOpen t\nhts' : ¬t = ↑s\n⊢ ∃ t ⊂ s,...
lift t to Finset X using s.finite_toSet.subset hts
Mathlib.Tactic._aux_Mathlib_Tactic_Lift___elabRules_Mathlib_Tactic_lift_1
Mathlib.Tactic.lift
Mathlib.Topology.Separation.Basic
{ "line": 303, "column": 2 }
{ "line": 307, "column": 36 }
[ { "pp": "X : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : R0Space X\nx : X\n⊢ IsCompact (closure {x})", "usedConstants": [ "Eq.mpr", "Specializes", "Iff.of_eq", "congrArg", "subset_closure", "Specializes.mem_open", "Finset", "Set.mem_iUnion", "speciali...
refine isCompact_of_finite_subcover fun U hUo hxU ↦ ?_ obtain ⟨i, hi⟩ : ∃ i, x ∈ U i := mem_iUnion.1 <| hxU <| subset_closure rfl refine ⟨{i}, fun y hy ↦ ?_⟩ rw [← specializes_iff_mem_closure, specializes_comm] at hy simpa using hy.mem_open (hUo i) hi
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Separation.Basic
{ "line": 303, "column": 2 }
{ "line": 307, "column": 36 }
[ { "pp": "X : Type u_1\ninst✝¹ : TopologicalSpace X\ninst✝ : R0Space X\nx : X\n⊢ IsCompact (closure {x})", "usedConstants": [ "Eq.mpr", "Specializes", "Iff.of_eq", "congrArg", "subset_closure", "Specializes.mem_open", "Finset", "Set.mem_iUnion", "speciali...
refine isCompact_of_finite_subcover fun U hUo hxU ↦ ?_ obtain ⟨i, hi⟩ : ∃ i, x ∈ U i := mem_iUnion.1 <| hxU <| subset_closure rfl refine ⟨{i}, fun y hy ↦ ?_⟩ rw [← specializes_iff_mem_closure, specializes_comm] at hy simpa using hy.mem_open (hUo i) hi
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Separation.Basic
{ "line": 665, "column": 2 }
{ "line": 665, "column": 36 }
[ { "pp": "case h.e'_3.h.e'_4\nX : Type u_1\ninst✝² : TopologicalSpace X\ninst✝¹ : T1Space X\ninst✝ : ∀ (x : X), (𝓝[≠] x).NeBot\ns : Set X\nhs : Dense s\nt : Set X\nht : t.Finite\n⊢ t = ↑ht.toFinset", "usedConstants": [ "Finset", "Set.Finite.coe_toFinset", "SetLike.coe", "Finset.instS...
exact (Finite.coe_toFinset _).symm
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Connected.Basic
{ "line": 128, "column": 2 }
{ "line": 128, "column": 29 }
[ { "pp": "α : Type u\ninst✝ : TopologicalSpace α\ns t : Set α\nhs : IsPreconnected s\nht : IsPreconnected t\nx : α\nhxs : x ∈ s\nhxt : x ∈ t\n⊢ IsPreconnected (s ∪ t)", "usedConstants": [ "IsPreconnected.union" ] } ]
exact hs.union x hxs hxt ht
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.Algebra.InfiniteSum.Basic
{ "line": 190, "column": 76 }
{ "line": 192, "column": 86 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\ninst✝¹ : CommMonoid α\ninst✝ : TopologicalSpace α\nf : β → α\na : α\ng : γ → α\ne : ↑(mulSupport f) ≃ ↑(mulSupport g)\nhe : ∀ (x : ↑(mulSupport f)), g ↑(e x) = f ↑x\n⊢ HasProd f a ↔ HasProd g a", "usedConstants": [ "Eq.mpr", "MulOne.toOne", ...
by have : (g ∘ (↑)) ∘ e = f ∘ (↑) := funext he rw [← hasProd_subtype_mulSupport, ← this, e.hasProd_iff, hasProd_subtype_mulSupport]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Algebra.InfiniteSum.Basic
{ "line": 318, "column": 2 }
{ "line": 318, "column": 33 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : CommMonoid α\ninst✝¹ : TopologicalSpace α\nf g : β → α\na b : α\nL : SummationFilter β\ninst✝ : ContinuousMul α\nhf : HasProd f a L\nhg : HasProd g b L\n⊢ HasProd (fun b ↦ f b * g b) (a * b) L", "usedConstants": [ "HMul.hMul", "Monoid.toMulOneClass",...
dsimp only [HasProd] at hf hg ⊢
Lean.Elab.Tactic.evalDSimp
Lean.Parser.Tactic.dsimp