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Mathlib.RingTheory.Ideal.Norm.AbsNorm
{ "line": 468, "column": 17 }
{ "line": 468, "column": 18 }
[ { "pp": "S : Type u_1\ninst✝⁵ : CommRing S\ninst✝⁴ : Nontrivial S\ninst✝³ : IsDedekindDomain S\ninst✝² : Free ℤ S\ninst✝¹ : Module.Finite ℤ S\nn : ℕ\ninst✝ : CharZero S\nthis✝ : Finite { I // I ∈ (Ideal S)⁰ ∧ absNorm I ≤ n }\nthis : Finite { I // I ∉ (Ideal S)⁰ ∧ absNorm I ≤ n }\ne : { I // absNorm I ≤ n } ≃ { ...
I
Lean.Elab.Tactic.Conv.evalEnter
null
Mathlib.Algebra.Module.Torsion.PrimaryComponent
{ "line": 182, "column": 2 }
{ "line": 185, "column": 64 }
[ { "pp": "A : Type u_1\nM : Type u_2\ninst✝³ : CommRing A\ninst✝² : AddCommGroup M\ninst✝¹ : Module A M\ninst✝ : IsDedekindDomain A\ns : Finset (HeightOneSpectrum A)\np : HeightOneSpectrum A → M\nhsum : ∑ i ∈ s, p i = 0\nf : HeightOneSpectrum A → ℕ\nhmem : ∀ i ∈ s, p i ∈ torsionBySet A M ↑(i.asIdeal ^ f i)\nm : ...
have hSupIndep : iSupIndep fun i : HeightOneSpectrum A ↦ torsionBySet A M ↑(i.asIdeal ^ m) := by rw [iSupIndep_iff_supIndep] exact fun _ ↦ supIndep_torsionBySet_ideal fun _ _ _ _ hPQ ↦ (isCoprime_pow_of_ne _ _ hPQ _ _).sup_eq
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.RingTheory.DedekindDomain.Factorization
{ "line": 105, "column": 4 }
{ "line": 105, "column": 59 }
[ { "pp": "case h\nR : Type u_1\ninst✝¹ : CommRing R\ninst✝ : IsDedekindDomain R\nI : Ideal R\nhI : I ≠ 0\nv : HeightOneSpectrum R\n⊢ v ∈ {v | ¬(Associates.mk v.asIdeal).count (Associates.mk I).factors = 0} ↔ v ∈ {v | v.asIdeal ∣ I}", "usedConstants": [ "CommSemiring.toSemiring", "IsDedekindDomain...
exact Associates.count_ne_zero_iff_dvd hI v.irreducible
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.NumberTheory.RamificationInertia.Basic
{ "line": 148, "column": 19 }
{ "line": 148, "column": 35 }
[ { "pp": "case f.h\nR : Type u\ninst✝¹⁶ : CommRing R\nS : Type v\ninst✝¹⁵ : CommRing S\ninst✝¹⁴ : Algebra R S\np : Ideal R\nK : Type u_1\ninst✝¹³ : Field K\ninst✝¹² : Algebra R K\nL : Type u_2\ninst✝¹¹ : Field L\ninst✝¹⁰ : Algebra S L\ninst✝⁹ : IsFractionRing S L\ninst✝⁸ : IsDomain R\ninst✝⁷ : IsDomain S\ninst✝⁶...
smul_comm A.det,
Lean.Elab.Tactic.Conv.evalRewrite
null
Mathlib.MeasureTheory.MeasurableSpace.Constructions
{ "line": 477, "column": 4 }
{ "line": 477, "column": 26 }
[ { "pp": "case h\nα : Type u_1\nβ : Type u_2\nγ : Type u_3\nm : MeasurableSpace α\nmβ : MeasurableSpace β\nmγ : MeasurableSpace γ\ninst✝ : Countable β\nf : α × β → γ\nhf : ∀ (y : β), Measurable fun x ↦ f (x, y)\nh'f : ∀ (y y' : β) (x : α), y' ∈ measurableAtom y → f (x, y') = f (x, y)\ns : Set γ\nhs : MeasurableS...
rintro ⟨y', hy's, hy'⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRIntro
Lean.Parser.Tactic.rintro
Mathlib.MeasureTheory.MeasurableSpace.Constructions
{ "line": 701, "column": 2 }
{ "line": 701, "column": 76 }
[ { "pp": "δ : Type u_4\nX : δ → Type u_6\ninst✝ : (a : δ) → MeasurableSpace (X a)\ns : Set δ\nt : (i : δ) → Set (X i)\nhs : s.Countable\nht : ∀ i ∈ s, MeasurableSet (t i)\n⊢ MeasurableSet (⋂ a ∈ s, eval a ⁻¹' t a)", "usedConstants": [ "Membership.mem", "measurable_pi_apply", "Function.eval"...
exact MeasurableSet.biInter hs fun i hi => measurable_pi_apply _ (ht i hi)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.MeasureTheory.MeasurableSpace.Constructions
{ "line": 717, "column": 4 }
{ "line": 717, "column": 30 }
[ { "pp": "case h.e'_3\nδ : Type u_4\nX : δ → Type u_6\ninst✝ : (a : δ) → MeasurableSpace (X a)\ns : Set δ\nt : (i : δ) → Set (X i)\nhs : s.Countable\nf : (i : δ) → X i\nhf : f ∈ s.pi t\nhst : MeasurableSet (s.pi t)\ni : δ\nhi : i ∈ s\n⊢ t i = update f i ⁻¹' s.pi t", "usedConstants": [ "Eq.mpr", "...
rw [update_preimage_pi hi]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.MeasureTheory.MeasurableSpace.Embedding
{ "line": 782, "column": 27 }
{ "line": 782, "column": 55 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nm' : MeasurableSpace β\ninst✝ : BooleanAlgebra β\nh : Measurable compl\nf : α → β\n⊢ MeasurableSpace.comap (compl ∘ f) inferInstance = MeasurableSpace.comap f inferInstance", "usedConstants": [ "Eq.mpr", "MeasurableSpace.comap", "MeasurableSpace.comap_c...
← MeasurableSpace.comap_comp
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.DedekindDomain.Factorization
{ "line": 565, "column": 2 }
{ "line": 565, "column": 33 }
[ { "pp": "case neg\nR : Type u_1\ninst✝⁴ : CommRing R\nK : Type u_2\ninst✝³ : Field K\ninst✝² : Algebra R K\ninst✝¹ : IsFractionRing R K\ninst✝ : IsDedekindDomain R\nv : HeightOneSpectrum R\nI J : FractionalIdeal R⁰ K\nhI : I ≠ 0\nh : I ≤ J\nhJ : ¬J = 0\nJ' : Ideal R\nhJ' : ↑J' = J⁻¹ * I\n⊢ 0 ≤ count K v ↑J'", ...
· exact count_coe_nonneg K v J'
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.NumberTheory.RamificationInertia.Basic
{ "line": 266, "column": 6 }
{ "line": 266, "column": 47 }
[ { "pp": "case refine_1.convert_1\nR : Type u\ninst✝¹⁴ : CommRing R\nS : Type v\ninst✝¹³ : CommRing S\ninst✝¹² : Algebra R S\np : Ideal R\nK : Type u_1\ninst✝¹¹ : Field K\ninst✝¹⁰ : Algebra R K\nL : Type u_2\ninst✝⁹ : Field L\ninst✝⁸ : Algebra S L\ninst✝⁷ : IsFractionRing S L\nhRK : IsFractionRing R K\ninst✝⁶ : ...
rw [Quotient.algebraMap_eq, Ideal.mk_ker]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Algebra.Order.CauSeq.Basic
{ "line": 811, "column": 4 }
{ "line": 812, "column": 24 }
[ { "pp": "case inr\nα : Type u_1\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\na b : CauSeq α abs\nh : b ≈ a\n⊢ a ⊓ b ≈ b", "usedConstants": [ "Eq.mpr", "AddGroupWithOne.toAddGroup", "abs", "congrArg", "IsAbsoluteValue.abs_isAbsoluteValue", "Fie...
refine Setoid.trans (inf_equiv_inf (Setoid.symm h) (Setoid.refl _)) ?_ rw [CauSeq.inf_idem]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Order.CauSeq.Basic
{ "line": 811, "column": 4 }
{ "line": 812, "column": 24 }
[ { "pp": "case inr\nα : Type u_1\ninst✝² : Field α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\na b : CauSeq α abs\nh : b ≈ a\n⊢ a ⊓ b ≈ b", "usedConstants": [ "Eq.mpr", "AddGroupWithOne.toAddGroup", "abs", "congrArg", "IsAbsoluteValue.abs_isAbsoluteValue", "Fie...
refine Setoid.trans (inf_equiv_inf (Setoid.symm h) (Setoid.refl _)) ?_ rw [CauSeq.inf_idem]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.Real.Basic
{ "line": 570, "column": 8 }
{ "line": 570, "column": 48 }
[ { "pp": "b : ℕ\nhb : ∀ {a : ℝ}, 0 < a → a * ↑b + 1 ≤ (a + 1) ^ b\na : ℝ\nha' : 0 < a\n⊢ a * ↑(b + 1) + 1 = (0 + 1) ^ b * a + (a * ↑b + 1)", "usedConstants": [ "one_pow", "Distrib.leftDistribClass", "MulOne.toOne", "Real", "HMul.hMul", "AddMonoid.toAddSemigroup", "ad...
simp [mul_add, add_assoc, add_left_comm]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.Real.Basic
{ "line": 570, "column": 8 }
{ "line": 570, "column": 48 }
[ { "pp": "b : ℕ\nhb : ∀ {a : ℝ}, 0 < a → a * ↑b + 1 ≤ (a + 1) ^ b\na : ℝ\nha' : 0 < a\n⊢ a * ↑(b + 1) + 1 = (0 + 1) ^ b * a + (a * ↑b + 1)", "usedConstants": [ "one_pow", "Distrib.leftDistribClass", "MulOne.toOne", "Real", "HMul.hMul", "AddMonoid.toAddSemigroup", "ad...
simp [mul_add, add_assoc, add_left_comm]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Real.Basic
{ "line": 570, "column": 8 }
{ "line": 570, "column": 48 }
[ { "pp": "b : ℕ\nhb : ∀ {a : ℝ}, 0 < a → a * ↑b + 1 ≤ (a + 1) ^ b\na : ℝ\nha' : 0 < a\n⊢ a * ↑(b + 1) + 1 = (0 + 1) ^ b * a + (a * ↑b + 1)", "usedConstants": [ "one_pow", "Distrib.leftDistribClass", "MulOne.toOne", "Real", "HMul.hMul", "AddMonoid.toAddSemigroup", "ad...
simp [mul_add, add_assoc, add_left_comm]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.Real.Archimedean
{ "line": 221, "column": 54 }
{ "line": 222, "column": 52 }
[ { "pp": "s : Set ℝ\n⊢ sInf (-s) = -sSup s", "usedConstants": [ "Eq.mpr", "Real", "NonUnitalCommRing.toNonUnitalNonAssocCommRing", "CommRing.toNonUnitalCommRing", "congrArg", "Real.instSupSet", "neg_neg", "neg_eq_iff_eq_neg", "id", "NonUnitalNonAsso...
by rw [← neg_eq_iff_eq_neg, ← Real.sSup_neg, neg_neg]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.Real.Archimedean
{ "line": 396, "column": 4 }
{ "line": 396, "column": 21 }
[ { "pp": "a : ℝ\nha : ∀ (k : ℕ), 0 < k → a ≤ 1 / ↑k + 1\nq : ℚ\nhq : 1 < ↑q\n⊢ 1 ≤ ↑q * ↑q.den - ↑q.den", "usedConstants": [ "Rat.instSub", "Eq.mpr", "Real.partialOrder", "Rat.instMul", "Real", "Preorder.toLT", "NonUnitalCommRing.toNonUnitalNonAssocCommRing", "...
norm_cast at hq ⊢
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticNorm_cast___1
Lean.Parser.Tactic.tacticNorm_cast__
Mathlib.Data.Real.Archimedean
{ "line": 399, "column": 4 }
{ "line": 399, "column": 21 }
[ { "pp": "a : ℝ\nha : ∀ (k : ℕ), 0 < k → a ≤ 1 / ↑k + 1\nq : ℚ\nhq : ↑q.den < ↑q.num\n⊢ 1 ≤ ↑q.num - ↑q.den", "usedConstants": [ "Int.cast", "Rat.instSub", "Eq.mpr", "Int.cast_natCast", "Rat.num", "Preorder.toLT", "congrArg", "Rat", "PartialOrder.toPreord...
norm_cast at hq ⊢
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticNorm_cast___1
Lean.Parser.Tactic.tacticNorm_cast__
Mathlib.Data.NNReal.Defs
{ "line": 123, "column": 31 }
{ "line": 123, "column": 54 }
[ { "pp": "p q : ℝ≥0\nh1p : 0 < p\nh2p : p ≤ q\n⊢ q⁻¹ ≤ p⁻¹", "usedConstants": [ "LinearOrderedCommGroupWithZero.toLinearOrderedCommMonoidWithZero", "MulZeroClass.toMul", "IsStrictOrderedRing.toMulPosStrictMono", "DivisionSemiring.toGroupWithZero", "MulPosReflectLE.toMulPosReflec...
exact inv_anti₀ h1p h2p
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Data.NNReal.Defs
{ "line": 123, "column": 31 }
{ "line": 123, "column": 54 }
[ { "pp": "p q : ℝ≥0\nh1p : 0 < p\nh2p : p ≤ q\n⊢ q⁻¹ ≤ p⁻¹", "usedConstants": [ "LinearOrderedCommGroupWithZero.toLinearOrderedCommMonoidWithZero", "MulZeroClass.toMul", "IsStrictOrderedRing.toMulPosStrictMono", "DivisionSemiring.toGroupWithZero", "MulPosReflectLE.toMulPosReflec...
exact inv_anti₀ h1p h2p
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.NNReal.Defs
{ "line": 123, "column": 31 }
{ "line": 123, "column": 54 }
[ { "pp": "p q : ℝ≥0\nh1p : 0 < p\nh2p : p ≤ q\n⊢ q⁻¹ ≤ p⁻¹", "usedConstants": [ "LinearOrderedCommGroupWithZero.toLinearOrderedCommMonoidWithZero", "MulZeroClass.toMul", "IsStrictOrderedRing.toMulPosStrictMono", "DivisionSemiring.toGroupWithZero", "MulPosReflectLE.toMulPosReflec...
exact inv_anti₀ h1p h2p
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.NNReal.Defs
{ "line": 670, "column": 96 }
{ "line": 671, "column": 50 }
[ { "pp": "r : ℝ≥0\np : ℝ\nhp : 0 ≤ p\n⊢ r ≤ p.toNNReal ↔ ↑r ≤ p", "usedConstants": [ "Eq.mpr", "Real.instLE", "Real", "congrArg", "Iff.rfl", "PartialOrder.toPreorder", "Preorder.toLE", "id", "NNReal", "LE.le", "Real.coe_toNNReal", "NNRea...
by rw [← NNReal.coe_le_coe, Real.coe_toNNReal p hp]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.NNReal.Defs
{ "line": 974, "column": 46 }
{ "line": 974, "column": 66 }
[ { "pp": "case neg\nΓ₀ : Type u_1\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\nh : Nontrivial Γ₀ˣ\nf : Γ₀ →*₀ ℝ≥0\nhf : StrictMono ⇑f\nr : ℝ≥0\nhr : 0 < r\ng : Γ₀ˣ\nhg1 : g ≠ 1\nu : Γ₀ˣ := if g < 1 then g else g⁻¹\nhu : u = if g < 1 then g else g⁻¹\nhu1 : ¬g < 1\nhfg0 : f ↑g ≠ 0\nhg1' : 1 < g\n⊢ (f ↑g)⁻¹ < 1", ...
inv_lt_one_iff hfg0,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.ENNReal.Operations
{ "line": 425, "column": 4 }
{ "line": 426, "column": 25 }
[ { "pp": "case coe\nb x✝ : ℝ≥0\n⊢ (↑x✝).toReal - (↑b).toReal ≤ (↑x✝ - ↑b).toReal", "usedConstants": [ "Eq.mpr", "Real.instLE", "Real", "ENNReal.ofNNReal", "Real.instZero", "congrArg", "Real.instSub", "HSub.hSub", "id", "ENNReal.coe_sub._simp_1", ...
simp only [← coe_sub, NNReal.sub_def, Real.coe_toNNReal', coe_toReal] exact le_max_left _ _
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Operations
{ "line": 425, "column": 4 }
{ "line": 426, "column": 25 }
[ { "pp": "case coe\nb x✝ : ℝ≥0\n⊢ (↑x✝).toReal - (↑b).toReal ≤ (↑x✝ - ↑b).toReal", "usedConstants": [ "Eq.mpr", "Real.instLE", "Real", "ENNReal.ofNNReal", "Real.instZero", "congrArg", "Real.instSub", "HSub.hSub", "id", "ENNReal.coe_sub._simp_1", ...
simp only [← coe_sub, NNReal.sub_def, Real.coe_toNNReal', coe_toReal] exact le_max_left _ _
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Operations
{ "line": 498, "column": 79 }
{ "line": 498, "column": 90 }
[ { "pp": "x y : ℝ≥0\n⊢ ofNNReal '' uIoo x y = uIoo ↑x ↑y", "usedConstants": [ "ENNReal.ofNNReal", "Lattice.toSemilatticeSup", "congrArg", "PartialOrder.toPreorder", "SemilatticeInf.toPartialOrder", "SemilatticeSup.toMax", "DistribLattice.toLattice", "NNReal", ...
simp [uIoo]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.ENNReal.Operations
{ "line": 498, "column": 79 }
{ "line": 498, "column": 90 }
[ { "pp": "x y : ℝ≥0\n⊢ ofNNReal '' uIoo x y = uIoo ↑x ↑y", "usedConstants": [ "ENNReal.ofNNReal", "Lattice.toSemilatticeSup", "congrArg", "PartialOrder.toPreorder", "SemilatticeInf.toPartialOrder", "SemilatticeSup.toMax", "DistribLattice.toLattice", "NNReal", ...
simp [uIoo]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Operations
{ "line": 498, "column": 79 }
{ "line": 498, "column": 90 }
[ { "pp": "x y : ℝ≥0\n⊢ ofNNReal '' uIoo x y = uIoo ↑x ↑y", "usedConstants": [ "ENNReal.ofNNReal", "Lattice.toSemilatticeSup", "congrArg", "PartialOrder.toPreorder", "SemilatticeInf.toPartialOrder", "SemilatticeSup.toMax", "DistribLattice.toLattice", "NNReal", ...
simp [uIoo]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Operations
{ "line": 586, "column": 2 }
{ "line": 586, "column": 46 }
[ { "pp": "ι : Sort u_1\na : ℝ≥0∞\nκ : Sort u_2\nq₁ : ι → Sort u_3\nq₂ : κ → Sort u_4\nf : (i : ι) → q₁ i → ℝ≥0∞\ng : (k : κ) → q₂ k → ℝ≥0∞\nh : ∀ (i : ι) (pi : q₁ i) (k : κ) (qk : q₂ k), a ≤ f i pi + g k qk\n⊢ a ≤ ⨅ i, ⨅ j, ⨅ i_1, ⨅ j_1, f i j + g i_1 j_1", "usedConstants": [ "ENNReal.instAdd", "...
exact le_iInf₂ fun i hi => le_iInf₂ (h i hi)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Data.EReal.Basic
{ "line": 769, "column": 4 }
{ "line": 769, "column": 27 }
[ { "pp": "case coe\ny : EReal\na✝ : ℝ\nh : ↑a✝ ≤ y\n⊢ (↑a✝).toENNReal ≤ y.toENNReal", "usedConstants": [ "LinearOrder.toDecidableEq", "EReal.toENNReal", "EReal", "instTopEReal", "LE.le", "dite", "instLinearOrderEReal", "ENNReal.instLE", "ENNReal", "...
by_cases hy_top : y = ⊤
«_aux_Init_ByCases___macroRules_tacticBy_cases_:__2»
«tacticBy_cases_:_»
Mathlib.Data.NNReal.Basic
{ "line": 97, "column": 2 }
{ "line": 98, "column": 81 }
[ { "pp": "ι : Type u_1\ns : Finset ι\nf : ι → ℝ\nhf : ∀ a ∈ s, 0 ≤ f a\n⊢ (∏ a ∈ s, f a).toNNReal = ∏ a ∈ s, (f a).toNNReal", "usedConstants": [ "CommMonoidWithZero.toCommMonoid", "Real.instIsOrderedRing", "Eq.mpr", "NNReal.instCommSemiring", "Real.partialOrder", "Real", ...
rw [← coe_inj, NNReal.coe_prod, Real.coe_toNNReal _ (Finset.prod_nonneg hf)] exact Finset.prod_congr rfl fun x hxs => by rw [Real.coe_toNNReal _ (hf x hxs)]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.NNReal.Basic
{ "line": 97, "column": 2 }
{ "line": 98, "column": 81 }
[ { "pp": "ι : Type u_1\ns : Finset ι\nf : ι → ℝ\nhf : ∀ a ∈ s, 0 ≤ f a\n⊢ (∏ a ∈ s, f a).toNNReal = ∏ a ∈ s, (f a).toNNReal", "usedConstants": [ "CommMonoidWithZero.toCommMonoid", "Real.instIsOrderedRing", "Eq.mpr", "NNReal.instCommSemiring", "Real.partialOrder", "Real", ...
rw [← coe_inj, NNReal.coe_prod, Real.coe_toNNReal _ (Finset.prod_nonneg hf)] exact Finset.prod_congr rfl fun x hxs => by rw [Real.coe_toNNReal _ (hf x hxs)]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.NNReal.Basic
{ "line": 119, "column": 20 }
{ "line": 119, "column": 59 }
[ { "pp": "s : Set ℕ\n⊢ ∀ a ∈ upperBounds (Nat.cast '' s), ⌊a⌋₊ ∈ upperBounds s", "usedConstants": [ "LinearOrderedCommGroupWithZero.toLinearOrderedCommMonoidWithZero", "NonAssocSemiring.toAddCommMonoidWithOne", "LinearOrderedCommMonoidWithZero.toIsBotZeroClass", "congrArg", "zer...
by simp [upperBounds, Nat.le_floor_iff]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Order.Monotone
{ "line": 123, "column": 2 }
{ "line": 124, "column": 50 }
[ { "pp": "case refine_1\nα : Type u_1\nβ : Type u_2\ninst✝⁶ : LinearOrder α\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : OrderTopology α\ninst✝³ : LinearOrder β\ns : Set α\nf : α → β\ninst✝² : TopologicalSpace β\ninst✝¹ : OrderTopology β\ninst✝ : SecondCountableTopology β\nhf : MonotoneOn f s\nx : α\nxs : x ∈ s\nhx : ...
· filter_upwards [@self_mem_nhdsWithin _ _ x (s ∩ Ioi x)] with y hy exact hm.trans_le (hf xs hy.1 (le_of_lt hy.2))
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.UniformSpace.OfFun
{ "line": 42, "column": 20 }
{ "line": 42, "column": 44 }
[ { "pp": "X : Type u_1\nM : Type u_2\ninst✝¹ : AddCommMonoid M\ninst✝ : PartialOrder M\nd : X → X → M\nrefl : ∀ (x : X), d x x = 0\nsymm : ∀ (x y : X), d x y = d y x\ntriangle : ∀ (x y z : X), d x z ≤ d x y + d y z\nhalf : ∀ ε > 0, ∃ δ > 0, ∀ x < δ, ∀ y < δ, x + y < ε\nr : M\nx✝ : r > 0\nx : X × X\nhx : x ∈ {x |...
by rwa [mem_setOf, symm]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Order.LiminfLimsup
{ "line": 83, "column": 71 }
{ "line": 87, "column": 29 }
[ { "pp": "ι : Type u_1\nα : Type u_2\nβ : Type u_3\nR : Type u_4\nS : Type u_5\nπ : ι → Type u_6\ninst✝⁹ : Preorder α\ninst✝⁸ : Preorder β\ninst✝⁷ : TopologicalSpace α\ninst✝⁶ : TopologicalSpace β\ninst✝⁵ : BoundedLENhdsClass α\ninst✝⁴ : BoundedLENhdsClass β\nf : Filter ι\nu : ι → α\na : α\ninst✝³ : Finite ι\nin...
by refine ⟨fun x ↦ ?_⟩ rw [nhds_pi] choose f hf using fun i ↦ isBounded_le_nhds (x i) exact ⟨f, eventually_pi hf⟩
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Inv
{ "line": 679, "column": 94 }
{ "line": 680, "column": 70 }
[ { "pp": "n : ℤ\n⊢ 0 ^ n = if n = 0 then 1 else if 0 < n then 0 else ∞", "usedConstants": [ "IsRightCancelAdd.addRightStrictMono_of_addRightMono", "zpow_natCast", "Nat.instCanonicallyOrderedAdd", "MulOne.toOne", "False", "Nat.instMulZeroClass", "DivInvMonoid.toInv", ...
by obtain ((_ | n) | n) := n <;> simp [-Nat.cast_add, -Int.natCast_add]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Inv
{ "line": 682, "column": 93 }
{ "line": 683, "column": 70 }
[ { "pp": "n : ℤ\n⊢ ∞ ^ n = if n = 0 then 1 else if 0 < n then ∞ else 0", "usedConstants": [ "IsRightCancelAdd.addRightStrictMono_of_addRightMono", "zpow_natCast", "Nat.instCanonicallyOrderedAdd", "MulOne.toOne", "False", "Nat.instMulZeroClass", "DivInvMonoid.toInv", ...
by obtain ((_ | n) | n) := n <;> simp [-Nat.cast_add, -Int.natCast_add]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Inv
{ "line": 747, "column": 2 }
{ "line": 749, "column": 87 }
[ { "pp": "case negSucc.negSucc\nx : ℝ≥0∞\nhx : 1 ≤ x\na b : ℕ\nh : Int.negSucc a ≤ Int.negSucc b\n⊢ x ^ Int.negSucc a ≤ x ^ Int.negSucc b", "usedConstants": [ "Eq.mpr", "ENNReal.instIsOrderedRing", "DivInvMonoid.toInv", "IsOrderedRing.toPosMulMono", "IsOrderedRing.toZeroLEOneCla...
· simp only [zpow_negSucc, ENNReal.inv_le_inv] apply pow_right_mono₀ hx simpa only [← Int.ofNat_le, neg_le_neg_iff, Int.natCast_add, Int.ofNat_one] using h
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.EMetricSpace.Pi
{ "line": 71, "column": 8 }
{ "line": 71, "column": 17 }
[ { "pp": "α : Type u\nβ : Type v\nX✝ : Type u_1\ninst✝² : PseudoEMetricSpace α\nX : β → Type u_2\ninst✝¹ : Fintype β\ninst✝ : (b : β) → PseudoEMetricSpace (X b)\n⊢ ⨅ i, ⨅ i_1, ⨅ (_ : 0 < i_1), 𝓟 {a | edist (a.1 i) (a.2 i) < i_1} =\n ⨅ ε, ⨅ (_ : 0 < ε), 𝓟 {p | (Finset.univ.sup fun b ↦ edist (p.1 b) (p.2 b)) ...
iInf_comm
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.EMetricSpace.Pi
{ "line": 72, "column": 8 }
{ "line": 72, "column": 17 }
[ { "pp": "case e_s.h\nα : Type u\nβ : Type v\nX✝ : Type u_1\ninst✝² : PseudoEMetricSpace α\nX : β → Type u_2\ninst✝¹ : Fintype β\ninst✝ : (b : β) → PseudoEMetricSpace (X b)\nε : ℝ≥0∞\n⊢ ⨅ i, ⨅ (_ : 0 < ε), 𝓟 {a | edist (a.1 i) (a.2 i) < ε} =\n ⨅ (_ : 0 < ε), 𝓟 {p | (Finset.univ.sup fun b ↦ edist (p.1 b) (p....
iInf_comm
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.EMetricSpace.Defs
{ "line": 533, "column": 4 }
{ "line": 533, "column": 44 }
[ { "pp": "α : Type u\nβ : Type v\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : Nonempty β\ninst✝ : SemilatticeSup β\nu : β → α\na : α\n⊢ (∀ (ib : ℝ≥0∞), 0 < ib → ∃ ia, True ∧ ∀ x ∈ Ici ia, u x ∈ eball a ib) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, edist (u n) a < ε", "usedConstants": [ "Preorder.toLT", "Set.Ici", ...
simp only [true_and, mem_Ici, mem_eball]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.EMetricSpace.Defs
{ "line": 533, "column": 4 }
{ "line": 533, "column": 44 }
[ { "pp": "α : Type u\nβ : Type v\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : Nonempty β\ninst✝ : SemilatticeSup β\nu : β → α\na : α\n⊢ (∀ (ib : ℝ≥0∞), 0 < ib → ∃ ia, True ∧ ∀ x ∈ Ici ia, u x ∈ eball a ib) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, edist (u n) a < ε", "usedConstants": [ "Preorder.toLT", "Set.Ici", ...
simp only [true_and, mem_Ici, mem_eball]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.EMetricSpace.Defs
{ "line": 533, "column": 4 }
{ "line": 533, "column": 44 }
[ { "pp": "α : Type u\nβ : Type v\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : Nonempty β\ninst✝ : SemilatticeSup β\nu : β → α\na : α\n⊢ (∀ (ib : ℝ≥0∞), 0 < ib → ∃ ia, True ∧ ∀ x ∈ Ici ia, u x ∈ eball a ib) ↔ ∀ ε > 0, ∃ N, ∀ n ≥ N, edist (u n) a < ε", "usedConstants": [ "Preorder.toLT", "Set.Ici", ...
simp only [true_and, mem_Ici, mem_eball]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.EMetricSpace.Basic
{ "line": 164, "column": 2 }
{ "line": 165, "column": 43 }
[ { "pp": "α : Type u_2\ninst✝ : EMetricSpace α\n⊢ Nontrivial α ↔ NontrivialTopology α", "usedConstants": [ "Nontrivial", "Eq.mpr", "PseudoEMetricSpace.toWeakPseudoEMetricSpace", "congrArg", "Exists", "id", "EMetricSpace.toPseudoEMetricSpace", "_private.Mathlib....
simp_rw [nontrivial_iff, TopologicalSpace.nontrivial_iff_exists_not_inseparable, EMetric.inseparable_iff, edist_eq_zero]
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
Mathlib.Tactic.tacticSimp_rw___
Mathlib.Topology.EMetricSpace.Basic
{ "line": 164, "column": 2 }
{ "line": 165, "column": 43 }
[ { "pp": "α : Type u_2\ninst✝ : EMetricSpace α\n⊢ Nontrivial α ↔ NontrivialTopology α", "usedConstants": [ "Nontrivial", "Eq.mpr", "PseudoEMetricSpace.toWeakPseudoEMetricSpace", "congrArg", "Exists", "id", "EMetricSpace.toPseudoEMetricSpace", "_private.Mathlib....
simp_rw [nontrivial_iff, TopologicalSpace.nontrivial_iff_exists_not_inseparable, EMetric.inseparable_iff, edist_eq_zero]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.EMetricSpace.Basic
{ "line": 164, "column": 2 }
{ "line": 165, "column": 43 }
[ { "pp": "α : Type u_2\ninst✝ : EMetricSpace α\n⊢ Nontrivial α ↔ NontrivialTopology α", "usedConstants": [ "Nontrivial", "Eq.mpr", "PseudoEMetricSpace.toWeakPseudoEMetricSpace", "congrArg", "Exists", "id", "EMetricSpace.toPseudoEMetricSpace", "_private.Mathlib....
simp_rw [nontrivial_iff, TopologicalSpace.nontrivial_iff_exists_not_inseparable, EMetric.inseparable_iff, edist_eq_zero]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.EMetricSpace.Lipschitz
{ "line": 334, "column": 91 }
{ "line": 337, "column": 40 }
[ { "pp": "α : Type u\nβ : Type v\nγ : Type w\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : PseudoEMetricSpace β\ninst✝ : PseudoEMetricSpace γ\ns : Set α\nf : α → β\ng : α → γ\nKf Kg : ℝ≥0\nhf : LipschitzOnWith Kf f s\nhg : LipschitzOnWith Kg g s\n⊢ LipschitzOnWith (max Kf Kg) (fun x ↦ (f x, g x)) s", "usedConstan...
by intro _ hx _ hy rw [ENNReal.coe_mono.map_max, Prod.edist_eq, max_mul] exact max_le_max (hf hx hy) (hg hx hy)
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Algebra.InfiniteSum.Group
{ "line": 224, "column": 4 }
{ "line": 224, "column": 17 }
[ { "pp": "case mpr\nα : Type u_1\nβ : Type u_2\ninst✝² : UniformSpace α\ninst✝¹ : CommGroup α\ninst✝ : IsUniformGroup α\nf : β → α\n⊢ (∀ e ∈ 𝓝 1, ∃ s, ∀ (t : Finset β), Disjoint t s → ∏ b ∈ t, f b ∈ e) →\n ∀ s ∈ 𝓝 1, ∃ a, ∀ b ≥ a, (∏ b ∈ b.2, f b) / ∏ b ∈ b.1, f b ∈ s", "usedConstants": [ "Filter....
rintro h e he
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRIntro
Lean.Parser.Tactic.rintro
Mathlib.Topology.Algebra.InfiniteSum.Group
{ "line": 228, "column": 4 }
{ "line": 228, "column": 30 }
[ { "pp": "case h\nα : Type u_1\nβ : Type u_2\ninst✝² : UniformSpace α\ninst✝¹ : CommGroup α\ninst✝ : IsUniformGroup α\nf : β → α\nh✝ : ∀ e ∈ 𝓝 1, ∃ s, ∀ (t : Finset β), Disjoint t s → ∏ b ∈ t, f b ∈ e\ne : Set α\nhe : e ∈ 𝓝 1\nd : Set α\nhd : d ∈ 𝓝 1\nhde : ∀ v ∈ d, ∀ w ∈ d, v / w ∈ e\ns : Finset β\nh : ∀ (t ...
rintro ⟨t₁, t₂⟩ ⟨ht₁, ht₂⟩
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRIntro
Lean.Parser.Tactic.rintro
Mathlib.Topology.Order.Compact
{ "line": 196, "column": 41 }
{ "line": 196, "column": 56 }
[ { "pp": "case refine_1\nα : Type u_2\ninst✝³ : LinearOrder α\ninst✝² : TopologicalSpace α\ninst✝¹ : NoMinOrder α\ninst✝ : ClosedIicTopology α\ns : Set α\nhs : s ∈ cocompact α\nt : Set α\nht : IsCompact t\nhts : univ ⊆ s\nh_empty : t = ∅\n⊢ s ∈ atBot", "usedConstants": [ "Set.univ_subset_iff", "c...
univ_subset_iff
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Order.Compact
{ "line": 317, "column": 2 }
{ "line": 317, "column": 24 }
[ { "pp": "case inl\nα : Type u_2\ninst✝³ : LinearOrder α\ninst✝² : TopologicalSpace α\ninst✝¹ : ClosedIicTopology α\ninst✝ : Nonempty α\nhs : IsCompact ∅\n⊢ BddBelow ∅", "usedConstants": [ "PartialOrder.toPreorder", "SemilatticeInf.toPartialOrder", "DistribLattice.toLattice", "bddBelo...
· exact bddBelow_empty
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.MetricSpace.Pseudo.Constructions
{ "line": 118, "column": 4 }
{ "line": 119, "column": 40 }
[ { "pp": "a b x✝ : ℝ≥0\n⊢ nndist a b ≤ x✝ ↔ a ≤ x✝ + b ∧ b ≤ x✝ + a", "usedConstants": [ "NNDist.nndist", "Real.instLE", "Real", "abs", "congrArg", "covariant_swap_add_of_covariant_add", "PartialOrder.toPreorder", "AddGroup.toOrderedSub", "HSub.hSub", ...
simp only [← NNReal.coe_le_coe, coe_nndist, dist_eq, abs_sub_le_iff, tsub_le_iff_right, NNReal.coe_add]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Topology.MetricSpace.Pseudo.Pi
{ "line": 61, "column": 2 }
{ "line": 65, "column": 35 }
[ { "pp": "β : Type u_2\nX : β → Type u_3\ninst✝¹ : Fintype β\ninst✝ : (b : β) → PseudoMetricSpace (X b)\nf g : (b : β) → X b\nr : ℝ≥0\nhr : 0 < r\n⊢ nndist f g = r ↔ (∃ i, nndist (f i) (g i) = r) ∧ ∀ (b : β), nndist (f b) (g b) ≤ r", "usedConstants": [ "Eq.mpr", "NNDist.nndist", "nndist_pi_...
rw [eq_iff_le_not_lt, nndist_pi_lt_iff hr, nndist_pi_le_iff, not_forall, and_comm] simp_rw [not_lt, and_congr_left_iff, le_antisymm_iff] intro h refine exists_congr fun b => ?_ apply (and_iff_right <| h _).symm
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.MetricSpace.Pseudo.Pi
{ "line": 61, "column": 2 }
{ "line": 65, "column": 35 }
[ { "pp": "β : Type u_2\nX : β → Type u_3\ninst✝¹ : Fintype β\ninst✝ : (b : β) → PseudoMetricSpace (X b)\nf g : (b : β) → X b\nr : ℝ≥0\nhr : 0 < r\n⊢ nndist f g = r ↔ (∃ i, nndist (f i) (g i) = r) ∧ ∀ (b : β), nndist (f b) (g b) ≤ r", "usedConstants": [ "Eq.mpr", "NNDist.nndist", "nndist_pi_...
rw [eq_iff_le_not_lt, nndist_pi_lt_iff hr, nndist_pi_le_iff, not_forall, and_comm] simp_rw [not_lt, and_congr_left_iff, le_antisymm_iff] intro h refine exists_congr fun b => ?_ apply (and_iff_right <| h _).symm
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.MetricSpace.Cauchy
{ "line": 80, "column": 8 }
{ "line": 80, "column": 27 }
[ { "pp": "case mp\nα : Type u\nβ : Type v\ninst✝² : PseudoMetricSpace α\ninst✝¹ : Nonempty β\ninst✝ : SemilatticeSup β\nγ : Type u_3\nF : β → γ → α\ns : Set γ\nε : ℝ\nhε : ε > 0\nu : Set (α × α) := {a | dist a.1 a.2 < ε}\nhu : u ∈ 𝓤 α\nh : ∀ᶠ (m : β × β) in atTop ×ˢ atTop, ∀ x ∈ s, (F m.1 x, F m.2 x) ∈ u\n⊢ ∀ᶠ ...
prod_atTop_atTop_eq
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.MetricSpace.Cauchy
{ "line": 156, "column": 2 }
{ "line": 160, "column": 55 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\nu : ℕ → α\nhu : ∀ ε > 0, ∃ N, ∀ m ≥ N, ∀ n ≥ N, dist (u m) (u n) < ε\nb : ℕ → ℝ\nhb : ∀ (n : ℕ), 0 < b n\n⊢ ∃ f, StrictMono f ∧ ∀ (n m : ℕ), m ≥ f n → dist (u m) (u (f n)) < b n", "usedConstants": [ "Eq.mpr", "Nat.instLattice", "Real", ...
have hu' : ∀ k, ∀ᶠ (n : ℕ) in atTop, ∀ m ≥ n, dist (u m) (u n) < b k := by intro k rw [eventually_atTop] obtain ⟨N, hN⟩ := hu (b k) (hb k) exact ⟨N, fun m hm r hr => hN r (hm.trans hr) m hm⟩
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Topology.MetricSpace.Bounded
{ "line": 202, "column": 63 }
{ "line": 206, "column": 24 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\ns : Set α\nc : α\n⊢ Bornology.IsCobounded s ↔ ∃ r, (closedBall c r)ᶜ ⊆ s", "usedConstants": [ "Eq.mpr", "Real", "PseudoMetricSpace.toBornology", "congrArg", "Compl.compl", "Iff.rfl", "Exists", "id", "Set....
by rw [← isBounded_compl_iff, isBounded_iff_subset_closedBall c] apply exists_congr intro r rw [compl_subset_comm]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Basic
{ "line": 226, "column": 51 }
{ "line": 226, "column": 71 }
[ { "pp": "X : Type u_2\nm : PseudoEMetricSpace X\nd : X → X → ℝ≥0∞\nhd : d = edist\n⊢ m.replaceEDist d hd = m", "usedConstants": [ "PseudoEMetricSpace.ext", "EDist.ext", "PseudoEMetricSpace.toEDist", "PseudoEMetricSpace.replaceEDist" ] } ]
by ext : 2; exact hd
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Basic
{ "line": 252, "column": 49 }
{ "line": 252, "column": 69 }
[ { "pp": "X : Type u_2\nm : PseudoMetricSpace X\nd : X → X → ℝ\nhd : d = dist\n⊢ m.replaceDist d hd = m", "usedConstants": [ "PseudoMetricSpace.ext", "Dist.ext", "PseudoMetricSpace.replaceDist", "PseudoMetricSpace.toDist" ] } ]
by ext : 2; exact hd
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Basic
{ "line": 282, "column": 51 }
{ "line": 282, "column": 71 }
[ { "pp": "X : Type u_2\nm : EMetricSpace X\nd : X → X → ℝ≥0∞\nhd : d = edist\n⊢ m.replaceEDist d hd = m", "usedConstants": [ "EMetricSpace.toPseudoEMetricSpace", "EMetricSpace.ext", "EDist.ext", "PseudoEMetricSpace.toEDist", "EMetricSpace.replaceEDist" ] } ]
by ext : 2; exact hd
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Basic
{ "line": 305, "column": 49 }
{ "line": 305, "column": 69 }
[ { "pp": "X : Type u_2\nm : MetricSpace X\nd : X → X → ℝ\nhd : d = dist\n⊢ m.replaceDist d hd = m", "usedConstants": [ "MetricSpace.ext", "MetricSpace.replaceDist", "Dist.ext", "MetricSpace.toPseudoMetricSpace", "PseudoMetricSpace.toDist" ] } ]
by ext : 2; exact hd
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Bounded
{ "line": 559, "column": 2 }
{ "line": 559, "column": 38 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\ns : ℕ → Set α\nh0 : IsComplete (s 0)\nhs : ∀ (n : ℕ), IsClosed[PseudoMetricSpace.toUniformSpace.toTopologicalSpace] (s n)\nh's : ∀ (n : ℕ), Bornology.IsBounded (s n)\nh : ∀ (N : ℕ), (⋂ n, ⋂ (_ : n ≤ N), s n).Nonempty\nh' : Tendsto (fun n ↦ diam (s n)) atTop (𝓝 ...
refine ⟨x, mem_iInter.2 fun n => ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Instances.NNReal.Lemmas
{ "line": 67, "column": 68 }
{ "line": 68, "column": 55 }
[ { "pp": "x : ℝ≥0\n⊢ Filter.map toReal (𝓝[>] x) = 𝓝[>] ↑x", "usedConstants": [ "NNReal.instTopologicalSpace", "Eq.mpr", "Real", "Set.Ioi", "congrArg", "Filter.map", "nhdsWithin", "PartialOrder.toPreorder", "NNReal.isEmbedding_coe", "PseudoMetricSp...
by rw [isEmbedding_coe.map_nhdsWithin_eq, image_coe_Ioi]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Metrizable.Uniformity
{ "line": 131, "column": 2 }
{ "line": 131, "column": 52 }
[ { "pp": "case h.inr\nX : Type u_1\nd : X → X → ℝ≥0\ndist_self : ∀ (x : X), d x x = 0\ndist_comm : ∀ (x y : X), d x y = d y x\nhd : ∀ (x₁ x₂ x₃ x₄ : X), d x₁ x₄ ≤ 2 * max (d x₁ x₂) (max (d x₂ x₃) (d x₃ x₄))\nthis : IsTrans X fun x y ↦ d x y = 0\nx y : X\nl : List X\nihn : ∀ m < l.length, ∀ (x y : X) (l : List X)...
· grw [hd x z z' y, max_le hxz (max_le hzz' hz'y)]
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Topology.Metrizable.Uniformity
{ "line": 160, "column": 24 }
{ "line": 160, "column": 29 }
[ { "pp": "case h.e'_3.h.e'_6.h.e'_4\nX : Type u_1\nd : X → X → ℝ≥0\ndist_self : ∀ (x : X), d x x = 0\ndist_comm : ∀ (x y : X), d x y = d y x\nhd : ∀ (x₁ x₂ x₃ x₄ : X), d x₁ x₄ ≤ 2 * max (d x₁ x₂) (max (d x₂ x₃) (d x₃ x₄))\nthis : IsTrans X fun x y ↦ d x y = 0\nx y : X\nl : List X\nihn : ∀ m < l.length, ∀ (x y : ...
take,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Semicontinuity.Defs
{ "line": 699, "column": 39 }
{ "line": 699, "column": 62 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → Set β\nx : α\ns : Set α\n⊢ (∀ (u : Set β), IsOpen[inst✝] u → (f x ∩ u).Nonempty → ∀ᶠ (x' : α) in 𝓝[s] x, (f x' ∩ u).Nonempty) ↔\n ∀ (t : Set β), IsClosed[inst✝] t → (∃ᶠ (x' : α) in 𝓝[s] x, f x' ⊆ t) → f x ...
compl_surjective.forall
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Semicontinuity.Defs
{ "line": 726, "column": 36 }
{ "line": 726, "column": 72 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → Set β\n⊢ (∀ (x : α), LowerHemicontinuousAt f x) ↔\n ∀ (x : α) (t : Set β), IsClosed[inst✝] t → (∃ᶠ (x' : α) in 𝓝 x, f x' ⊆ t) → f x ⊆ t", "usedConstants": [ "congrArg", "nhds", "HasSub...
lowerHemicontinuousAt_iff_frequently
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.Topology.Semicontinuity.Defs
{ "line": 828, "column": 74 }
{ "line": 828, "column": 97 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → Set β\nx : α\ns : Set α\n⊢ (∀ (y : Set β), (∃ᶠ (x' : α) in 𝓝[s] x, y ∉ 𝓝ˢ (f x')) → y ∉ 𝓝ˢ (f x)) ↔\n ∀ (t : Set β), IsClosed[inst✝] t → (∃ᶠ (x' : α) in 𝓝[s] x, (f x' ∩ t).Nonempty) → (f x ∩ t).Nonempty"...
compl_surjective.forall
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Semicontinuity.Defs
{ "line": 828, "column": 2 }
{ "line": 828, "column": 98 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\nf : α → Set β\nx : α\ns : Set α\n⊢ UpperHemicontinuousWithinAt f s x ↔\n ∀ (t : Set β), IsClosed[inst✝] t → (∃ᶠ (x' : α) in 𝓝[s] x, (f x' ∩ t).Nonempty) → (f x ∩ t).Nonempty", "usedConstants": [ "Filter.i...
rw [UpperHemicontinuousWithinAt, semicontinuousWithinAt_iff_frequently, compl_surjective.forall]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.GroupTheory.Archimedean
{ "line": 80, "column": 6 }
{ "line": 80, "column": 57 }
[ { "pp": "G : Type u_1\ninst✝³ : CommGroup G\ninst✝² : LinearOrder G\ninst✝¹ : IsOrderedMonoid G\ninst✝ : MulArchimedean G\nH : Subgroup G\nhbot : H ≠ ⊥\na : G\nh₀ : 1 < a\nhd : Disjoint (↑H) (Ioo 1 a)\ng : G\nhg : g > 1\nm : ℕ\nhm : g ≤ a ^ (↑m + 1)\nhm' : a ^ ↑m < g\n⊢ ∃ n, g ∈ Ioc (a ^ n) (a ^ (n + 1))", ...
simp only [← Nat.cast_succ, zpow_natCast] at hm hm'
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.GroupTheory.Archimedean
{ "line": 94, "column": 4 }
{ "line": 94, "column": 92 }
[ { "pp": "case inr\nG : Type u_1\ninst✝³ : CommGroup G\ninst✝² : LinearOrder G\ninst✝¹ : IsOrderedMonoid G\ninst✝ : MulArchimedean G\nH : Subgroup G\nhbot : H ≠ ⊥\na : G\nh₀ : 1 < a\nhd : Disjoint (↑H) (Ioo 1 a)\nhex : ∀ g > 1, ∃ n, g ∈ Ioc (a ^ n) (a ^ (n + 1))\nthis : ∃ n, (↑H ∩ Ioc (a ^ n) (a ^ (n + 1))).None...
refine disjoint_left.1 hd (div_mem hxH hyH) ⟨one_lt_div'.2 hxy, div_lt_iff_lt_mul'.2 ?_⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Instances.EReal.Lemmas
{ "line": 380, "column": 2 }
{ "line": 380, "column": 86 }
[ { "pp": "α : Type u_3\nf : Filter α\nu v : α → EReal\ninst✝ : f.NeBot\nhu : 0 ≤ᶠ[f] u\nhv : 0 ≤ᶠ[f] v\nh₁ : 0 < limsup u f ∨ liminf v f ≠ ⊤\nh₂ : limsup u f ≠ ⊤ ∨ 0 < liminf v f\n⊢ liminf (u * v) f ≤ limsup u f * liminf v f", "usedConstants": [ "Iff.mpr", "Preorder.toLT", "HMul.hMul", ...
refine le_mul_of_forall_lt h₁ h₂ fun a a_u b b_v ↦ (liminf_le_iff).2 fun c c_ab ↦ ?_
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Topology.Semicontinuity.Basic
{ "line": 97, "column": 29 }
{ "line": 97, "column": 56 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝¹ : TopologicalSpace α\nf : α → β\ninst✝ : LinearOrder β\ns : Set α\nne_s : s.Nonempty\nhs : IsCompact s\nhf : LowerSemicontinuousOn f s\nx✝¹ : Nonempty α\nx✝ : Nonempty ↑s\nφ : β → Filter α := fun b ↦ 𝓟 (s ∩ f ⁻¹' Iic b)\nℱ : Filter α := ⨅ a, φ (f ↑a)\nthis : ℱ.NeBot\...
by apply inter_subset_right
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Semicontinuity.Basic
{ "line": 323, "column": 2 }
{ "line": 326, "column": 91 }
[ { "pp": "case refine_1\nα : Type u_1\ninst✝¹ : TopologicalSpace α\ns : Set α\nγ : Type u_4\ninst✝ : LinearOrder γ\nι : Type u_5\nf : ι → α → γ\nks : IsCompact s\nI : Set ι\nc : γ\nhfi : ∀ i ∈ I, LowerSemicontinuousOn (f i) s\nH : s ∩ ⋂ i ∈ I, f i ⁻¹' Iic c = ∅\n⊢ ∃ u, ∀ x ∈ s, ∃ i ∈ u, c < f (↑i) x", "usedC...
· suffices ∀ i ∈ I, IsClosed (s ↓∩ (fun i ↦ f i ⁻¹' Iic c) i) by simpa [Set.eq_empty_iff_forall_notMem] using ks.elim_finite_subfamily_isClosed_subtype _ this H exact fun i hi ↦ lowerSemicontinuous_restrict_iff.mpr (hfi i hi) |>.isClosed_preimage c
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.Data.Set.Dissipate
{ "line": 93, "column": 4 }
{ "line": 95, "column": 29 }
[ { "pp": "case succ\nα : Type u_1\ns : ℕ → Set α\nhd : Directed (fun x1 x2 ↦ x1 ⊇ x2) s\nn : ℕ\nhn : ∃ m, s m ⊆ dissipate s n\n⊢ ∃ m, s m ⊆ dissipate s (n + 1)", "usedConstants": [ "Set.dissipate", "Eq.mpr", "congrArg", "Exists", "id", "_private.Mathlib.Data.Set.Dissipate....
obtain ⟨m, hm⟩ := hn obtain ⟨k, hk⟩ := hd m (n + 1) exact ⟨k, by simp; grind⟩
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.Set.Dissipate
{ "line": 93, "column": 4 }
{ "line": 95, "column": 29 }
[ { "pp": "case succ\nα : Type u_1\ns : ℕ → Set α\nhd : Directed (fun x1 x2 ↦ x1 ⊇ x2) s\nn : ℕ\nhn : ∃ m, s m ⊆ dissipate s n\n⊢ ∃ m, s m ⊆ dissipate s (n + 1)", "usedConstants": [ "Set.dissipate", "Eq.mpr", "congrArg", "Exists", "id", "_private.Mathlib.Data.Set.Dissipate....
obtain ⟨m, hm⟩ := hn obtain ⟨k, hk⟩ := hd m (n + 1) exact ⟨k, by simp; grind⟩
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.MeasureTheory.OuterMeasure.OfFunction
{ "line": 307, "column": 4 }
{ "line": 307, "column": 39 }
[ { "pp": "case refine_1\nα : Type u_1\nm : Set α → ℝ≥0∞\nβ : Type u_2\nf : β → α\nh : (Monotone fun s ↦ m ↑s) ∨ Surjective f\nH : Monotone fun s ↦ m ↑s\ns t : Set α\nhst : s ≤ t\nhs : s.Nonempty\n⊢ m s ≤ (fun s ↦ ⨆ (_ : s.Nonempty), m s) t", "usedConstants": [ "Set.Nonempty.mono", "Set.Nonempty" ...
have ht : t.Nonempty := hs.mono hst
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.MeasureTheory.OuterMeasure.OfFunction
{ "line": 347, "column": 2 }
{ "line": 349, "column": 51 }
[ { "pp": "case refine_2\nα : Type u_1\nm : Set (OuterMeasure α)\n⊢ boundedBy (sInfGen m) ≤ sInf m", "usedConstants": [ "MeasureTheory.OuterMeasure.boundedBy", "CompletelyDistribLattice.toCompleteLattice", "iInf₂_le", "PartialOrder.toPreorder", "MeasureTheory.OuterMeasure.sInfGen...
· refine le_sInf ?_ intro μ hμ t exact le_trans (boundedBy_le t) (iInf₂_le μ hμ)
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.MeasureTheory.PiSystem
{ "line": 333, "column": 23 }
{ "line": 333, "column": 31 }
[ { "pp": "case refine_1.h.mp\nα : Type u_3\nβ : Type u_4\ng : β → Set (Set α)\ns : Set β\nh_pi : ∀ b ∈ s, IsPiSystem (g b)\nT : Finset (Subtype s)\nf : Subtype s → Set α\nh_t' : ∀ b ∈ T, f b ∈ (g ∘ Subtype.val) b\nh_t : ⋂ b ∈ T, f b ∈ generatePiSystem (⋃ b ∈ s, g b)\nthis : ⋂ b ∈ T, f b ∈ generatePiSystem (⋃ b, ...
h_b_in_T
Lean.Elab.Tactic.evalIntro
ident
Mathlib.MeasureTheory.PiSystem
{ "line": 333, "column": 23 }
{ "line": 333, "column": 31 }
[ { "pp": "case refine_1.h.mpr\nα : Type u_3\nβ : Type u_4\ng : β → Set (Set α)\ns : Set β\nh_pi : ∀ b ∈ s, IsPiSystem (g b)\nT : Finset (Subtype s)\nf : Subtype s → Set α\nh_t' : ∀ b ∈ T, f b ∈ (g ∘ Subtype.val) b\nh_t : ⋂ b ∈ T, f b ∈ generatePiSystem (⋃ b ∈ s, g b)\nthis : ⋂ b ∈ T, f b ∈ generatePiSystem (⋃ b,...
h_b_in_T
Lean.Elab.Tactic.evalIntro
ident
Mathlib.MeasureTheory.PiSystem
{ "line": 374, "column": 6 }
{ "line": 374, "column": 29 }
[ { "pp": "case pos\nα : Type u_3\nι : Type u_4\nπ : ι → Set (Set α)\ni : ι\nt : Finset ι\nf : ι → Set α\nhfπ : ∀ x ∈ t, f x ∈ π x\nhti : ∀ y ∈ t, y = i\nhi : i ∈ t\nht_eq_i : t = {i}\n⊢ f i ∈ π i ∨ f i ∈ {univ}", "usedConstants": [ "Set.univ", "Membership.mem", "Set.instSingletonSet", ...
exact Or.inl (hfπ i hi)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.MeasureTheory.OuterMeasure.Caratheodory
{ "line": 233, "column": 27 }
{ "line": 233, "column": 72 }
[ { "pp": "α : Type u_1\nm₁ m₂ : OuterMeasure α\ns : Set α\nx✝ : MeasurableSet s\nt : Set α\nhs₁ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₁.caratheodory\nhs₂ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₂.caratheodory\n⊢ (m₁ + m₂) t = (m₁ + m₂) (t ∩ s) + (m₁ + m₂) (t \\ s)", "usedConstants": [ "ENNReal.instAdd"...
simp [hs₁ t, hs₂ t, add_left_comm, add_assoc]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.MeasureTheory.OuterMeasure.Caratheodory
{ "line": 233, "column": 27 }
{ "line": 233, "column": 72 }
[ { "pp": "α : Type u_1\nm₁ m₂ : OuterMeasure α\ns : Set α\nx✝ : MeasurableSet s\nt : Set α\nhs₁ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₁.caratheodory\nhs₂ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₂.caratheodory\n⊢ (m₁ + m₂) t = (m₁ + m₂) (t ∩ s) + (m₁ + m₂) (t \\ s)", "usedConstants": [ "ENNReal.instAdd"...
simp [hs₁ t, hs₂ t, add_left_comm, add_assoc]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.MeasureTheory.OuterMeasure.Caratheodory
{ "line": 233, "column": 27 }
{ "line": 233, "column": 72 }
[ { "pp": "α : Type u_1\nm₁ m₂ : OuterMeasure α\ns : Set α\nx✝ : MeasurableSet s\nt : Set α\nhs₁ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₁.caratheodory\nhs₂ : s ∈ (fun m ↦ {t | MeasurableSet t}) m₂.caratheodory\n⊢ (m₁ + m₂) t = (m₁ + m₂) (t ∩ s) + (m₁ + m₂) (t \\ s)", "usedConstants": [ "ENNReal.instAdd"...
simp [hs₁ t, hs₂ t, add_left_comm, add_assoc]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Analysis.SpecificLimits.Basic
{ "line": 662, "column": 2 }
{ "line": 662, "column": 22 }
[ { "pp": "ε : ℝ≥0∞\nhε : ε ≠ 0\nι : Type u_4\ninst✝ : Countable ι\nw δ' : ι → ℝ≥0\nHpos : ∀ (i : ι), 0 < δ' i\nHsum : ∑' (i : ι), ↑(δ' i) < ε\nthis : ∀ (i : ι), 0 < max 1 (w i)\ni : ι\n⊢ ↑(δ' i) / ↑(max 1 (w i)) ≤ ↑(δ' i) / (fun i ↦ ↑(w i)) i", "usedConstants": [ "le_max_right", "le_refl", ...
grw [← le_max_right]
Mathlib.Tactic._aux_Mathlib_Tactic_GRewrite_Elab___macroRules_Mathlib_Tactic_grwSeq_1
Mathlib.Tactic.grwSeq
Mathlib.MeasureTheory.OuterMeasure.AE
{ "line": 151, "column": 28 }
{ "line": 151, "column": 46 }
[ { "pp": "α : Type u_1\nF : Type u_3\ninst✝¹ : FunLike F (Set α) ℝ≥0∞\ninst✝ : OuterMeasureClass F α\nμ : F\ns t : Set α\n⊢ (∀ᵐ (x : α) ∂μ, x ∈ s → x ∈ t) ↔ μ (s \\ t) = 0", "usedConstants": [ "MeasureTheory.ae", "Eq.mpr", "congrArg", "Filter.Eventually", "Iff.rfl", "setOf...
simp [ae_iff]; rfl
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.MeasureTheory.OuterMeasure.AE
{ "line": 151, "column": 28 }
{ "line": 151, "column": 46 }
[ { "pp": "α : Type u_1\nF : Type u_3\ninst✝¹ : FunLike F (Set α) ℝ≥0∞\ninst✝ : OuterMeasureClass F α\nμ : F\ns t : Set α\n⊢ (∀ᵐ (x : α) ∂μ, x ∈ s → x ∈ t) ↔ μ (s \\ t) = 0", "usedConstants": [ "MeasureTheory.ae", "Eq.mpr", "congrArg", "Filter.Eventually", "Iff.rfl", "setOf...
simp [ae_iff]; rfl
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Order.Interval.Set.Monotone
{ "line": 206, "column": 2 }
{ "line": 206, "column": 45 }
[ { "pp": "case neg\nα : Type u_1\ninst✝³ : LinearOrder α\ninst✝² : SuccOrder α\ninst✝¹ : IsSuccArchimedean α\ninst✝ : OrderBot α\nn : α\nφ : α → α\nk : α\nih : StrictMonoOn φ (Iic k) → ∀ m ≤ k, m ≤ φ m\nhφ : StrictMonoOn φ (Iic (succ k))\nm : α\nhm : m ≤ succ k\nhk : ¬IsMax k\n⊢ m ≤ φ m", "usedConstants": [ ...
obtain rfl | h := le_succ_iff_eq_or_le.1 hm
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalObtain
Lean.Parser.Tactic.obtain
Mathlib.MeasureTheory.Measure.AbsolutelyContinuous
{ "line": 93, "column": 2 }
{ "line": 93, "column": 77 }
[ { "pp": "α : Type u_1\nR : Type u_5\nmα : MeasurableSpace α\nμ ν : Measure α\ninst✝¹ : SMul R ℝ≥0∞\ninst✝ : IsScalarTower R ℝ≥0∞ ℝ≥0∞\nh : μ ≪ ν\nc : R\ns : Set α\nhνs : ν s = 0\n⊢ (c • μ) s = 0", "usedConstants": [ "MulOne.toOne", "instHSMul", "MeasureTheory.Measure", "Monoid.toMulO...
simp only [h hνs, smul_apply, smul_zero, ← smul_one_smul ℝ≥0∞ c (0 : ℝ≥0∞)]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.MeasureTheory.Measure.AbsolutelyContinuous
{ "line": 93, "column": 2 }
{ "line": 93, "column": 77 }
[ { "pp": "α : Type u_1\nR : Type u_5\nmα : MeasurableSpace α\nμ ν : Measure α\ninst✝¹ : SMul R ℝ≥0∞\ninst✝ : IsScalarTower R ℝ≥0∞ ℝ≥0∞\nh : μ ≪ ν\nc : R\ns : Set α\nhνs : ν s = 0\n⊢ (c • μ) s = 0", "usedConstants": [ "MulOne.toOne", "instHSMul", "MeasureTheory.Measure", "Monoid.toMulO...
simp only [h hνs, smul_apply, smul_zero, ← smul_one_smul ℝ≥0∞ c (0 : ℝ≥0∞)]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.MeasureTheory.Measure.AbsolutelyContinuous
{ "line": 93, "column": 2 }
{ "line": 93, "column": 77 }
[ { "pp": "α : Type u_1\nR : Type u_5\nmα : MeasurableSpace α\nμ ν : Measure α\ninst✝¹ : SMul R ℝ≥0∞\ninst✝ : IsScalarTower R ℝ≥0∞ ℝ≥0∞\nh : μ ≪ ν\nc : R\ns : Set α\nhνs : ν s = 0\n⊢ (c • μ) s = 0", "usedConstants": [ "MulOne.toOne", "instHSMul", "MeasureTheory.Measure", "Monoid.toMulO...
simp only [h hνs, smul_apply, smul_zero, ← smul_one_smul ℝ≥0∞ c (0 : ℝ≥0∞)]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.MeasureTheory.Measure.Map
{ "line": 170, "column": 79 }
{ "line": 171, "column": 85 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nmα : MeasurableSpace α\nmβ : MeasurableSpace β\nμ : Measure α\nf : α → β\nhf : AEMeasurable f μ\n⊢ map f μ = 0 ↔ μ = 0", "usedConstants": [ "Eq.mpr", "MeasureTheory.Measure", "_private.Mathlib.MeasureTheory.Measure.Map.0.MeasureTheory.Measure.map_eq_zer...
by simp_rw [← measure_univ_eq_zero, map_apply_of_aemeasurable hf .univ, preimage_univ]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.MeasureTheory.Measure.MeasureSpace
{ "line": 206, "column": 40 }
{ "line": 206, "column": 90 }
[ { "pp": "α : Type u_1\nβ : Type u_2\nm : MeasurableSpace α\nμ : Measure α\ns : Set β\nhs : s.Countable\nf : α → β\nhf : ∀ y ∈ s, MeasurableSet (f ⁻¹' {y})\n⊢ ∑' (b : ↑s), μ (f ⁻¹' {↑b}) = μ (⋃ y ∈ s, f ⁻¹' {y})", "usedConstants": [ "Eq.mpr", "MeasureTheory.measure_biUnion", "MeasureTheory....
measure_biUnion hs (pairwiseDisjoint_fiber f s) hf
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.MeasureTheory.Measure.Typeclasses.Finite
{ "line": 241, "column": 2 }
{ "line": 241, "column": 37 }
[ { "pp": "α : Type u_1\nm0 : MeasurableSpace α\nμ : Measure α\nγ : Type u_5\nf g : α → γ\ns : Set α\ninst✝ : DecidablePred fun x ↦ x ∈ s\nhs_zero : μ s = 0\nh_ss : sᶜ ⊆ {a | (if a ∈ s then f a else g a) = g a}\n⊢ (fun x ↦ if x ∈ s then f x else g x) =ᶠ[ae μ] g", "usedConstants": [ "MeasureTheory.Measur...
refine measure_mono_null ?_ hs_zero
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.Order.Filter.CountableSeparatingOn
{ "line": 182, "column": 2 }
{ "line": 182, "column": 27 }
[ { "pp": "case inr\nα : Type u_1\nl : Filter α\ninst✝¹ : CountableInterFilter l\np : Set α → Prop\ns : Set α\ninst✝ : HasCountableSeparatingOn α p s\nhs : s ∈ l\nhne : s.Nonempty\nhl : ∀ (U : Set α), p U → U ∈ l ∨ Uᶜ ∈ l\nx : α\nhts : {x} ⊆ s\nht : {x}.Subsingleton\nhtl : {x} ∈ l\n⊢ ∃ a ∈ s, {a} ∈ l", "usedC...
· exact ⟨x, hts rfl, htl⟩
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.MeasureTheory.Measure.MeasureSpace
{ "line": 676, "column": 4 }
{ "line": 676, "column": 69 }
[ { "pp": "α : Type u_8\nι : Type u_9\nx✝¹ : MeasurableSpace α\nμ : Measure α\ninst✝¹ : SemilatticeSup ι\ninst✝ : Countable ι\nf : ι → Set α\nhm : ∀ (i : ι), NullMeasurableSet (f i) μ\nε : ℝ≥0∞\nhε : 0 < ε\nhfin : ∃ i, μ (f i) ≠ ∞\nhfem : ⋂ n, f n = ∅\nF : ι → ℝ≥0∞ := fun m ↦ μ (⋂ n, ⋂ (_ : n ≤ m), f n)\nhFAnti :...
rw [ENNReal.tendsto_atTop_zero_iff_lt_of_antitone hFAnti] at this
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.MeasureTheory.Measure.Restrict
{ "line": 554, "column": 2 }
{ "line": 554, "column": 38 }
[ { "pp": "α : Type u_2\nm0 : MeasurableSpace α\nμ : Measure α\ns t : Set α\n⊢ ae (μ.restrict (s ∪ t)) = ae (μ.restrict s) ⊔ ae (μ.restrict t)", "usedConstants": [ "cond", "MeasureTheory.ae", "MeasureTheory.ae.congr_simp", "Filter.instSupSet", "iSup_bool_eq", "MeasureTheory...
simp [union_eq_iUnion, iSup_bool_eq]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.MeasureTheory.Measure.Restrict
{ "line": 554, "column": 2 }
{ "line": 554, "column": 38 }
[ { "pp": "α : Type u_2\nm0 : MeasurableSpace α\nμ : Measure α\ns t : Set α\n⊢ ae (μ.restrict (s ∪ t)) = ae (μ.restrict s) ⊔ ae (μ.restrict t)", "usedConstants": [ "cond", "MeasureTheory.ae", "MeasureTheory.ae.congr_simp", "Filter.instSupSet", "iSup_bool_eq", "MeasureTheory...
simp [union_eq_iUnion, iSup_bool_eq]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.MeasureTheory.Measure.Restrict
{ "line": 554, "column": 2 }
{ "line": 554, "column": 38 }
[ { "pp": "α : Type u_2\nm0 : MeasurableSpace α\nμ : Measure α\ns t : Set α\n⊢ ae (μ.restrict (s ∪ t)) = ae (μ.restrict s) ⊔ ae (μ.restrict t)", "usedConstants": [ "cond", "MeasureTheory.ae", "MeasureTheory.ae.congr_simp", "Filter.instSupSet", "iSup_bool_eq", "MeasureTheory...
simp [union_eq_iUnion, iSup_bool_eq]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq