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Mathlib.LinearAlgebra.PiTensorProduct
{ "line": 399, "column": 26 }
{ "line": 399, "column": 64 }
[ { "pp": "ι : Type u_1\nι₂ : Type u_2\nι₃ : Type u_3\nR : Type u_4\ninst✝⁸ : CommSemiring R\nR₁ : Type u_5\nR₂ : Type u_6\ns : ι → Type u_7\ninst✝⁷ : (i : ι) → AddCommMonoid (s i)\ninst✝⁶ : (i : ι) → Module R (s i)\nM : Type u_8\ninst✝⁵ : AddCommMonoid M\ninst✝⁴ : Module R M\nE : Type u_9\ninst✝³ : AddCommMonoid...
simp_rw [← smul_add, φ.map_update_add]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.LinearAlgebra.PiTensorProduct
{ "line": 399, "column": 26 }
{ "line": 399, "column": 64 }
[ { "pp": "ι : Type u_1\nι₂ : Type u_2\nι₃ : Type u_3\nR : Type u_4\ninst✝⁸ : CommSemiring R\nR₁ : Type u_5\nR₂ : Type u_6\ns : ι → Type u_7\ninst✝⁷ : (i : ι) → AddCommMonoid (s i)\ninst✝⁶ : (i : ι) → Module R (s i)\nM : Type u_8\ninst✝⁵ : AddCommMonoid M\ninst✝⁴ : Module R M\nE : Type u_9\ninst✝³ : AddCommMonoid...
simp_rw [← smul_add, φ.map_update_add]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.LinearAlgebra.PiTensorProduct
{ "line": 400, "column": 26 }
{ "line": 400, "column": 36 }
[ { "pp": "ι : Type u_1\nι₂ : Type u_2\nι₃ : Type u_3\nR : Type u_4\ninst✝⁷ : CommSemiring R\nR₁ : Type u_5\nR₂ : Type u_6\ns : ι → Type u_7\ninst✝⁶ : (i : ι) → AddCommMonoid (s i)\ninst✝⁵ : (i : ι) → Module R (s i)\nM : Type u_8\ninst✝⁴ : AddCommMonoid M\ninst✝³ : Module R M\nE : Type u_9\ninst✝² : AddCommMonoid...
← add_smul
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.ClassGroup
{ "line": 350, "column": 2 }
{ "line": 352, "column": 49 }
[ { "pp": "R : Type u_1\nK : Type u_2\ninst✝⁴ : CommRing R\ninst✝³ : Field K\ninst✝² : Algebra R K\ninst✝¹ : IsFractionRing R K\ninst✝ : IsDomain R\nI : (FractionalIdeal R⁰ K)ˣ\nhI : (↑↑I).IsPrincipal\nx : K\nhx : ↑↑I = R ∙ x\n⊢ ∃ x, spanSingleton R⁰ ↑x = ↑I", "usedConstants": [ "Units.val", "Subm...
have hx' : (I : FractionalIdeal R⁰ K) = spanSingleton R⁰ x := by apply Subtype.coe_injective simp only [val_eq_coe, hx, coe_spanSingleton]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.RingTheory.ClassGroup
{ "line": 360, "column": 39 }
{ "line": 362, "column": 74 }
[ { "pp": "R : Type u_1\nK : Type u_2\ninst✝⁵ : CommRing R\ninst✝⁴ : Field K\ninst✝³ : Algebra R K\ninst✝² : IsFractionRing R K\ninst✝¹ : IsDomain R\ninst✝ : Subsingleton (ClassGroup R)\nI : FractionalIdeal R⁰ K\nhI : IsUnit I\n⊢ (↑I).IsPrincipal", "usedConstants": [ "Units.val", "Eq.mpr", "...
by rcases hI with ⟨I, rfl⟩ rw [← ClassGroup.mk_eq_one_iff, Subsingleton.elim (ClassGroup.mk K I) 1]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.RingTheory.LocalProperties.Projective
{ "line": 179, "column": 4 }
{ "line": 180, "column": 85 }
[ { "pp": "case H\nR : Type u_1\nM : Type uM\ninst✝¹⁰ : CommRing R\ninst✝⁹ : AddCommGroup M\ninst✝⁸ : Module R M\nRₚ : (P : Ideal R) → [P.IsMaximal] → Type u_4\ninst✝⁷ : (P : Ideal R) → [inst : P.IsMaximal] → CommRing (Rₚ P)\ninst✝⁶ : (P : Ideal R) → [inst : P.IsMaximal] → Algebra R (Rₚ P)\ninst✝⁵ : ∀ (P : Ideal ...
apply ((Module.End.isUnit_iff _).mp (IsLocalizedModule.map_units (LocalizedModule.mkLinearMap P.primeCompl M) s)).1
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.Topology.LocallyConstant.Basic
{ "line": 297, "column": 6 }
{ "line": 300, "column": 10 }
[ { "pp": "case refine_2\nX✝ : Type u_1\nY : Type u_2\nZ : Type u_3\nα : Type u_4\ninst✝² : TopologicalSpace X✝\nX : Type u_5\ninst✝¹ : TopologicalSpace X\nU : Set X\ninst✝ : (x : X) → Decidable (x ∈ U)\nhU : IsClopen U\n⊢ IsOpen[inst✝¹] ((fun x ↦ if x ∈ U then 0 else 1) ⁻¹' {1})", "usedConstants": [ "S...
rw [← isClosed_compl_iff] convert! hU.1 ext simp
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.LocallyConstant.Basic
{ "line": 297, "column": 6 }
{ "line": 300, "column": 10 }
[ { "pp": "case refine_2\nX✝ : Type u_1\nY : Type u_2\nZ : Type u_3\nα : Type u_4\ninst✝² : TopologicalSpace X✝\nX : Type u_5\ninst✝¹ : TopologicalSpace X\nU : Set X\ninst✝ : (x : X) → Decidable (x ∈ U)\nhU : IsClopen U\n⊢ IsOpen[inst✝¹] ((fun x ↦ if x ∈ U then 0 else 1) ⁻¹' {1})", "usedConstants": [ "S...
rw [← isClosed_compl_iff] convert! hU.1 ext simp
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.LocallyConstant.Basic
{ "line": 552, "column": 2 }
{ "line": 552, "column": 17 }
[ { "pp": "X : Type u_1\nZ : Type u_3\ninst✝¹ : TopologicalSpace X\nC₁ C₂ : Set X\nh₁ : IsClosed[inst✝¹] C₁\nh₂ : IsClosed[inst✝¹] C₂\nh : C₁ ∪ C₂ = univ\nf : LocallyConstant (↑C₁) Z\ng : LocallyConstant (↑C₂) Z\nhfg : ∀ (x : X) (hx : x ∈ C₁ ∩ C₂), f ⟨x, ⋯⟩ = g ⟨x, ⋯⟩\ninst✝ : DecidablePred fun x ↦ x ∈ C₁\nx : X\...
rw [dif_pos hx]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.ZMod.ValMinAbs
{ "line": 127, "column": 4 }
{ "line": 127, "column": 36 }
[ { "pp": "case inr.refine_1\nn : ℕ\na : ZMod n\nha : 2 * a.val ≠ n\nh : NeZero n\n⊢ -a = ↑(-a.valMinAbs)", "usedConstants": [ "AddGroup.toSubtractionMonoid", "Int.cast_neg", "Int.cast", "Eq.mpr", "NegZeroClass.toNeg", "ZMod.commRing", "AddGroupWithOne.toAddGroup", ...
rw [Int.cast_neg, coe_valMinAbs]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.ZMod.ValMinAbs
{ "line": 127, "column": 4 }
{ "line": 127, "column": 36 }
[ { "pp": "case inr.refine_1\nn : ℕ\na : ZMod n\nha : 2 * a.val ≠ n\nh : NeZero n\n⊢ -a = ↑(-a.valMinAbs)", "usedConstants": [ "AddGroup.toSubtractionMonoid", "Int.cast_neg", "Int.cast", "Eq.mpr", "NegZeroClass.toNeg", "ZMod.commRing", "AddGroupWithOne.toAddGroup", ...
rw [Int.cast_neg, coe_valMinAbs]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ZMod.ValMinAbs
{ "line": 127, "column": 4 }
{ "line": 127, "column": 36 }
[ { "pp": "case inr.refine_1\nn : ℕ\na : ZMod n\nha : 2 * a.val ≠ n\nh : NeZero n\n⊢ -a = ↑(-a.valMinAbs)", "usedConstants": [ "AddGroup.toSubtractionMonoid", "Int.cast_neg", "Int.cast", "Eq.mpr", "NegZeroClass.toNeg", "ZMod.commRing", "AddGroupWithOne.toAddGroup", ...
rw [Int.cast_neg, coe_valMinAbs]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.RingTheory.Spectrum.Prime.FreeLocus
{ "line": 295, "column": 45 }
{ "line": 300, "column": 29 }
[ { "pp": "R : Type uR\nM : Type uM\ninst✝⁴ : CommRing R\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\ninst✝¹ : Flat R M\ninst✝ : Module.Finite R M\np : PrimeSpectrum R\n⊢ rankAtStalk M p = 0 ↔ p ∉ support R M", "usedConstants": [ "Module.Finite.instLocalizationLocalizedModule", "CharP.cast_eq_ze...
by rw [notMem_support_iff] refine ⟨fun h ↦ ?_, fun h ↦ Module.finrank_zero_of_subsingleton⟩ apply subsingleton_of_rank_zero (R := Localization.AtPrime p.asIdeal) dsimp [rankAtStalk] at h simp [← finrank_eq_rank, h]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.FieldTheory.Finite.Basic
{ "line": 203, "column": 4 }
{ "line": 203, "column": 56 }
[ { "pp": "case e_s\nK : Type u_1\ninst✝² : CommRing K\ninst✝¹ : NoZeroDivisors K\nG : Subgroup Kˣ\ninst✝ : Fintype ↥G\nk : ℕ\nk_pos : k ≠ 0\nk_lt_card_G : k < Nat.card ↥G\na✝ : Nontrivial K\nthis : IsDomain K\na : ↥G\nha : a ^ k ≠ 1\nas_comp : (fun x ↦ (↑↑x * ↑↑a) ^ k) = (fun x ↦ ↑↑x ^ k) ∘ fun x ↦ x * a\n⊢ Mult...
exact Multiset.map_univ_val_equiv (Equiv.mulRight a)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.FieldTheory.Finite.Basic
{ "line": 251, "column": 2 }
{ "line": 251, "column": 27 }
[ { "pp": "K : Type u_1\ninst✝² : Field K\ninst✝¹ : Fintype K\np : ℕ\ninst✝ : CharP K p\nhp : Fact (Nat.Prime p)\nthis : Module (ZMod p) K :=\n let __src := (ZMod.castHom ⋯ K).toModule;\n __src\nn : ℕ\nh : q = p ^ n\n⊢ ∃ n, Nat.Prime p ∧ q = p ^ ↑n", "usedConstants": [ "PNat.val", "Nat.Prime", ...
refine ⟨⟨n, ?_⟩, hp.1, h⟩
Lean.Elab.Tactic.evalRefine
Lean.Parser.Tactic.refine
Mathlib.FieldTheory.Finite.Basic
{ "line": 665, "column": 6 }
{ "line": 665, "column": 30 }
[ { "pp": "p : ℕ\nhp : Prime p\nn : ℕ\nhpn : n.Coprime p\n⊢ n ^ (p - 1) ≡ 1 [MOD p]", "usedConstants": [ "Eq.mpr", "congrArg", "Nat.instMonoid", "HSub.hSub", "Int.natCast_modEq_iff", "id", "instSubNat", "instOfNatNat", "Int", "Nat.cast", "Monoi...
← Int.natCast_modEq_iff,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.LinearAlgebra.FreeModule.Finite.CardQuotient
{ "line": 77, "column": 10 }
{ "line": 77, "column": 39 }
[ { "pp": "case neg\nM : Type u_1\ninst✝⁴ : AddCommGroup M\ninst✝³ : Free ℤ M\ninst✝² : Module.Finite ℤ M\nN : Submodule ℤ M\nE : Type u_2\ninst✝¹ : EquivLike E M ↥N\ninst✝ : AddEquivClass E M ↥N\ne : E\nb : Basis (Free.ChooseBasisIndex ℤ M) ℤ M := Free.chooseBasis ℤ M\nh✝ : finrank ℤ ↥N = finrank ℤ M\na : Free.C...
Matrix.diagonal_apply_ne _ h,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.PicardGroup
{ "line": 777, "column": 88 }
{ "line": 785, "column": 77 }
[ { "pp": "R : Type u\nM : Type v\nN : Type u_1\nP : Type u_2\nQ : Type u_3\nA : Type u_4\ninst✝¹² : CommSemiring R\ninst✝¹¹ : AddCommMonoid M\ninst✝¹⁰ : AddCommMonoid N\ninst✝⁹ : AddCommMonoid P\ninst✝⁸ : AddCommMonoid Q\ninst✝⁷ : Module R M\ninst✝⁶ : Module R N\ninst✝⁵ : Module R P\ninst✝⁴ : Module R Q\ninst✝³ ...
by convert! (AlgebraTensorModule.congr (.refl ..) (submoduleAlgebraEquiv e) ≪≫ₗ e).bijective ext x refine x.induction_on (by simp) ?_ (by simp +contextual) intro a x obtain ⟨m, rfl⟩ := (submoduleAlgebraEquiv e).symm.surjective x suffices a * toAlgebra e m = e (a ⊗ₜ[R] m) by simpa using this ...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.RingTheory.UniqueFactorizationDomain.Multiplicative
{ "line": 123, "column": 2 }
{ "line": 123, "column": 36 }
[ { "pp": "case pos\nα : Type u_1\ninst✝² : CommMonoidWithZero α\ninst✝¹ : UniqueFactorizationMonoid α\nβ : Type u_3\ninst✝ : CommMonoidWithZero β\nf : α → β\na b : α\nh0 : f 0 = 0\nh1 : ∀ {x y : α}, IsUnit y → f (x * y) = f x * f y\nhpr : ∀ {p : α} (i : ℕ), Prime p → f (p ^ i) = f p ^ i\nhcp : ∀ {x y : α}, IsRel...
· rw [ha0, zero_mul, h0, zero_mul]
Lean.Elab.Tactic.evalTacticCDot
Lean.cdot
Mathlib.RingTheory.Norm.Basic
{ "line": 100, "column": 4 }
{ "line": 100, "column": 40 }
[ { "pp": "case mp\nR : Type u_1\nS : Type u_2\ninst✝⁶ : CommRing R\ninst✝⁵ : Ring S\ninst✝⁴ : Algebra R S\ninst✝³ : IsDomain R\ninst✝² : IsDomain S\ninst✝¹ : Free R S\ninst✝ : Module.Finite R S\nx : S\n⊢ (norm R) x = 0 → x = 0", "usedConstants": [ "Ring.toNonAssocRing", "CommSemiring.toSemiring",...
let b := Module.Free.chooseBasis R S
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticLet___1
Lean.Parser.Tactic.tacticLet__
Mathlib.RingTheory.Norm.Basic
{ "line": 142, "column": 41 }
{ "line": 148, "column": 67 }
[ { "pp": "K : Type u_4\nL : Type u_5\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Algebra K L\nx : L\nhx : ¬IsIntegral K x\n⊢ (norm K) (AdjoinSimple.gen K x) = 1", "usedConstants": [ "Iff.mpr", "Set.mem_singleton", "Eq.mpr", "Submodule", "MonoidHom.instFunLike", "NonUnital...
by rw [norm_eq_one_of_not_exists_basis] contrapose hx obtain ⟨s, ⟨b⟩⟩ := hx refine .of_mem_of_fg K⟮x⟯.toSubalgebra ?_ x ?_ · exact (Submodule.fg_iff_finiteDimensional _).mpr (b.finiteDimensional_of_finite) · exact IntermediateField.subset_adjoin K _ (Set.mem_singleton x)
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.FieldTheory.PrimitiveElement
{ "line": 116, "column": 4 }
{ "line": 126, "column": 64 }
[ { "pp": "F : Type u_1\ninst✝⁴ : Field F\ninst✝³ : Infinite F\nE : Type u_2\ninst✝² : Field E\nα β : E\ninst✝¹ : Algebra F E\ninst✝ : Algebra.IsSeparable F E\nhα : IsIntegral F α\nhβ : IsIntegral F β\nf : F[X] := minpoly F α\ng : F[X] := minpoly F β\nιFE : F →+* E := algebraMap F E\nιEE' : E →+* (Polynomial.map ...
use γ apply le_antisymm · rw [adjoin_le_iff] have α_in_Fγ : α ∈ F⟮γ⟯ := by rw [← add_sub_cancel_right α (c • β)] exact F⟮γ⟯.sub_mem (mem_adjoin_simple_self F γ) (F⟮γ⟯.toSubalgebra.smul_mem β_in_Fγ c) rintro x (rfl | rfl) <;> assumption · rw [adjoin_simple_le_iff] have α_in_...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.FieldTheory.PrimitiveElement
{ "line": 116, "column": 4 }
{ "line": 126, "column": 64 }
[ { "pp": "F : Type u_1\ninst✝⁴ : Field F\ninst✝³ : Infinite F\nE : Type u_2\ninst✝² : Field E\nα β : E\ninst✝¹ : Algebra F E\ninst✝ : Algebra.IsSeparable F E\nhα : IsIntegral F α\nhβ : IsIntegral F β\nf : F[X] := minpoly F α\ng : F[X] := minpoly F β\nιFE : F →+* E := algebraMap F E\nιEE' : E →+* (Polynomial.map ...
use γ apply le_antisymm · rw [adjoin_le_iff] have α_in_Fγ : α ∈ F⟮γ⟯ := by rw [← add_sub_cancel_right α (c • β)] exact F⟮γ⟯.sub_mem (mem_adjoin_simple_self F γ) (F⟮γ⟯.toSubalgebra.smul_mem β_in_Fγ c) rintro x (rfl | rfl) <;> assumption · rw [adjoin_simple_le_iff] have α_in_...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.NumberTheory.RamificationInertia.Inertia
{ "line": 102, "column": 49 }
{ "line": 109, "column": 52 }
[ { "pp": "R : Type u\ninst✝⁴ : CommRing R\nS : Type v\ninst✝³ : CommRing S\ninst✝² : Algebra R S\np : Ideal R\nS₁ : Type u_1\ninst✝¹ : CommRing S₁\ninst✝ : Algebra R S₁\ne : S ≃ₐ[R] S₁\nP : Ideal S₁\n⊢ p.inertiaDeg (comap e P) = p.inertiaDeg P", "usedConstants": [ "AlgEquiv.toAlgHom_toRingHom", "...
by have he : (P.comap e).comap (algebraMap R S) = p ↔ P.comap (algebraMap R S₁) = p := by rw [← comap_coe e, comap_comap, ← e.toAlgHom_toRingHom, AlgHom.comp_algebraMap] by_cases h : P.LiesOver p · rw [inertiaDeg_algebraMap, inertiaDeg_algebraMap] exact (Quotient.algEquivOfEqComap p e rfl).toLinearEquiv.f...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Algebra.Module.Torsion.PrimaryComponent
{ "line": 70, "column": 2 }
{ "line": 70, "column": 7 }
[ { "pp": "A : Type u_1\nM₁ : Type u_3\nM₂ : Type u_4\ninst✝⁴ : CommRing A\nI : Ideal A\ninst✝³ : AddCommMonoid M₁\ninst✝² : AddCommMonoid M₂\ninst✝¹ : Module A M₁\ninst✝ : Module A M₂\nφ : M₁ →ₗ[A] M₂\nc : M₁\nn : ℕ\nhn : ∀ a ∈ I ^ n, a • c = 0\n⊢ ∃ n, ∀ a ∈ I ^ n, φ (a • c) = 0", "usedConstants": [ "i...
use n
Mathlib.Tactic._aux_Mathlib_Tactic_Use___elabRules_Mathlib_Tactic_useSyntax_1
Mathlib.Tactic.useSyntax
Mathlib.Algebra.Module.Torsion.PrimaryComponent
{ "line": 95, "column": 2 }
{ "line": 95, "column": 96 }
[ { "pp": "A : Type u_1\nM : Type u_2\ninst✝² : CommRing A\nI : Ideal A\ninst✝¹ : AddCommMonoid M\ninst✝ : Module A M\nJ : Ideal A\nhD : IsCoprime I J\nthis : ∀ (n : ℕ), Disjoint (torsionBySet A M ↑(I ^ n)) (torsionBySet A M ↑J)\n⊢ primaryComponent (↥(torsionBySet A M ↑J)) I = ⊥", "usedConstants": [ "Su...
apply Submodule.map_injective_of_injective (Submodule.subtype_injective (torsionBySet A M ↑J))
Lean.Elab.Tactic.evalApply
Lean.Parser.Tactic.apply
Mathlib.NumberTheory.RamificationInertia.Basic
{ "line": 191, "column": 35 }
{ "line": 218, "column": 52 }
[ { "pp": "R : Type u\ninst✝¹⁵ : CommRing R\nS : Type v\ninst✝¹⁴ : CommRing S\ninst✝¹³ : Algebra R S\nK : Type u_1\ninst✝¹² : Field K\ninst✝¹¹ : Algebra R K\nV : Type u_3\nV' : Type u_4\nV'' : Type u_5\ninst✝¹⁰ : AddCommGroup V\ninst✝⁹ : Module R V\ninst✝⁸ : Module K V\ninst✝⁷ : IsScalarTower R K V\ninst✝⁶ : AddC...
by contrapose hb' with hb -- Informally, if we have a nontrivial linear dependence with coefficients `g` in `K`, -- then we can find a linear dependence with coefficients `I.Quotient.mk g'` in `R/I`, -- where `I = ker (algebraMap R S)`. -- We make use of the same principle but stay in `R` everywhere. simp o...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Algebra.Order.CauSeq.Basic
{ "line": 430, "column": 9 }
{ "line": 430, "column": 29 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝⁴ : Field α\ninst✝³ : LinearOrder α\ninst✝² : IsStrictOrderedRing α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nf g : CauSeq β abv\nh : f ≈ g\nε : α\nε0 : 0 < ε\nx✝ : ℕ\nH : ∀ j ≥ x✝, abv (↑(f - g) j) < ε / 2 ∧ ∀ k ≥ j, abv (↑f k - ↑f j) < ε / 2\nj : ℕ\n...
sub_add_sub_cancel',
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.RingTheory.DedekindDomain.Factorization
{ "line": 663, "column": 2 }
{ "line": 663, "column": 48 }
[ { "pp": "R : Type u_1\ninst✝¹ : CommRing R\ninst✝ : IsDedekindDomain R\nJ I : Ideal R\nhIJ : J * I ≤ J\nhJ : ¬J = 0\nhI : ¬I = 0\ns : Finset (HeightOneSpectrum R) := ⋯.toFinset\nthis✝ : ∀ p ∈ s, J * ∏ q ∈ s, q.asIdeal < J * ∏ q ∈ s \\ {p}, q.asIdeal\na : HeightOneSpectrum R → R\nha : ∀ p ∈ s, a p ∈ J * ∏ q ∈ s ...
have inst : Nonempty {x // x ∈ s} := ⟨_, hp's⟩
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticHave___1
Lean.Parser.Tactic.tacticHave__
Mathlib.Algebra.Order.CauSeq.Basic
{ "line": 804, "column": 2 }
{ "line": 812, "column": 24 }
[ { "pp": "α : 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": [ "AddGroup.toSubtractionMonoid", "CauSeq.instLTAbs._proof_1", "Eq.mpr", "CauSeq.instLTAbs", "Preorder.toLT", "Non...
obtain ⟨ε, ε0 : _ < _, i, h⟩ | h := h · intro _ _ refine ⟨i, fun j hj => ?_⟩ dsimp rw [← min_sub_sub_right] rwa [sub_self, min_eq_right, abs_zero] exact ε0.le.trans (h _ hj) · 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": 804, "column": 2 }
{ "line": 812, "column": 24 }
[ { "pp": "α : 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": [ "AddGroup.toSubtractionMonoid", "CauSeq.instLTAbs._proof_1", "Eq.mpr", "CauSeq.instLTAbs", "Preorder.toLT", "Non...
obtain ⟨ε, ε0 : _ < _, i, h⟩ | h := h · intro _ _ refine ⟨i, fun j hj => ?_⟩ dsimp rw [← min_sub_sub_right] rwa [sub_self, min_eq_right, abs_zero] exact ε0.le.trans (h _ hj) · 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": 362, "column": 4 }
{ "line": 362, "column": 31 }
[ { "pp": "x : ℝ\n⊢ ∀ (a b : ℝ), a ≤ b → ∀ (c : ℝ), a + c ≤ b + c", "usedConstants": [ "Eq.mpr", "Real.partialOrder", "Real", "Preorder.toLT", "_private.Mathlib.Data.Real.Basic.0.Real.instIsOrderedAddMonoid._simp_1", "PartialOrder.toPreorder", "Preorder.toLE", "...
simp only [le_iff_eq_or_lt]
Lean.Elab.Tactic.evalSimp
Lean.Parser.Tactic.simp
Mathlib.Data.Real.Basic
{ "line": 512, "column": 8 }
{ "line": 512, "column": 29 }
[ { "pp": "x : ℝ\nq : ℚ≥0\n⊢ ↑q = ↑q.num / ↑q.den", "usedConstants": [ "Semiring.toNatCast", "Real.instNNRatCast", "Eq.mpr", "Real", "instHDiv", "CauSeq.Completion.instNNRatCast", "abs", "congrArg", "Real.instDivInvMonoid", "IsAbsoluteValue.abs_isAbs...
← ofCauchy_nnratCast,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.Real.Archimedean
{ "line": 334, "column": 4 }
{ "line": 334, "column": 78 }
[ { "pp": "case refine_1\nf : CauSeq ℝ abs\ns : Set ℝ := {x | const abs x < f}\nlb : ∃ x, x ∈ s\nub' : ∀ (x : ℝ), f < const abs x → ∀ y ∈ s, y ≤ x\nub : ∃ x, ∀ y ∈ s, y ≤ x\nε : ℝ\nε0 : ε > 0\ni : ℕ\nih : ∀ j ≥ i, ε ≤ ↑(const abs (sSup s) - f) j\nj : ℕ\nij : j ≥ i\n⊢ ε / 2 ≤ ↑(const abs (sSup s - ε / 2) - f) j", ...
rw [sub_apply, const_apply, sub_right_comm, le_sub_iff_add_le, add_halves]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.Real.Archimedean
{ "line": 410, "column": 40 }
{ "line": 414, "column": 28 }
[ { "pp": "b : ℝ\nhb : 0 < b\n⊢ ∃ n, 0 < n ∧ (↑n)⁻¹ < b", "usedConstants": [ "Real.instIsOrderedRing", "Eq.mpr", "GroupWithZero.toMonoidWithZero", "NonAssocSemiring.toAddCommMonoidWithOne", "Real.partialOrder", "Real", "Preorder.toLT", "Real.instArchimedean", ...
by refine (exists_nat_gt b⁻¹).imp fun k hk ↦ ?_ have := (inv_pos_of_pos hb).trans hk refine ⟨Nat.cast_pos.mp this, ?_⟩ rwa [inv_lt_comm₀ this hb]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Algebra.Order.Group.Pointwise.CompleteLattice
{ "line": 96, "column": 2 }
{ "line": 97, "column": 42 }
[ { "pp": "M : Type u_1\ninst✝³ : CompleteLattice M\ninst✝² : Group M\ninst✝¹ : MulLeftMono M\ninst✝ : MulRightMono M\ns : Set M\n⊢ sSup s⁻¹ = (sInf s)⁻¹", "usedConstants": [ "Eq.mpr", "iInf", "DivInvOneMonoid.toInvOneClass", "congrArg", "iSup", "OrderIso.inv", "Invol...
rw [← image_inv_eq_inv, sSup_image] exact ((OrderIso.inv M).map_sInf _).symm
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Algebra.Order.Group.Pointwise.CompleteLattice
{ "line": 96, "column": 2 }
{ "line": 97, "column": 42 }
[ { "pp": "M : Type u_1\ninst✝³ : CompleteLattice M\ninst✝² : Group M\ninst✝¹ : MulLeftMono M\ninst✝ : MulRightMono M\ns : Set M\n⊢ sSup s⁻¹ = (sInf s)⁻¹", "usedConstants": [ "Eq.mpr", "iInf", "DivInvOneMonoid.toInvOneClass", "congrArg", "iSup", "OrderIso.inv", "Invol...
rw [← image_inv_eq_inv, sSup_image] exact ((OrderIso.inv M).map_sInf _).symm
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.RingTheory.DedekindDomain.Factorization
{ "line": 929, "column": 6 }
{ "line": 929, "column": 43 }
[ { "pp": "R : Type u_3\ninst✝¹ : CommRing R\ninst✝ : IsDedekindDomain R\np : HeightOneSpectrum R\nI J : Ideal R\nhI : I ≠ ⊥\nhJ : J ≠ ⊥\n⊢ count p.asIdeal (normalizedFactors (normalizedFactors I ∩ normalizedFactors J).prod) =\n min (count p.asIdeal (normalizedFactors I)) (count p.asIdeal (normalizedFactors J)...
normalizedFactors_prod_inter_eq_inter
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.NNReal.Defs
{ "line": 448, "column": 2 }
{ "line": 459, "column": 26 }
[ { "pp": "s : Set ℝ≥0\n⊢ ↑(sSup s) = sSup (toReal '' s)", "usedConstants": [ "Eq.mpr", "NonAssocSemiring.toAddCommMonoidWithOne", "Real.sSup_empty", "Real.instLE", "Real", "Lattice.toSemilatticeSup", "Set.Ici", "Real.instZero", "congrArg", "OrderBot...
rcases Set.eq_empty_or_nonempty s with rfl | hs · simp by_cases H : BddAbove s · have A : sSup (Subtype.val '' s) ∈ Set.Ici 0 := by apply Real.sSup_nonneg rintro - ⟨y, -, rfl⟩ exact y.2 exact (@subset_sSup_of_within ℝ (Set.Ici (0 : ℝ)) _ _ (_) s hs H A).symm · simp only [csSup_of_not_bddAb...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.NNReal.Defs
{ "line": 448, "column": 2 }
{ "line": 459, "column": 26 }
[ { "pp": "s : Set ℝ≥0\n⊢ ↑(sSup s) = sSup (toReal '' s)", "usedConstants": [ "Eq.mpr", "NonAssocSemiring.toAddCommMonoidWithOne", "Real.sSup_empty", "Real.instLE", "Real", "Lattice.toSemilatticeSup", "Set.Ici", "Real.instZero", "congrArg", "OrderBot...
rcases Set.eq_empty_or_nonempty s with rfl | hs · simp by_cases H : BddAbove s · have A : sSup (Subtype.val '' s) ∈ Set.Ici 0 := by apply Real.sSup_nonneg rintro - ⟨y, -, rfl⟩ exact y.2 exact (@subset_sSup_of_within ℝ (Set.Ici (0 : ℝ)) _ _ (_) s hs H A).symm · simp only [csSup_of_not_bddAb...
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.RingTheory.DedekindDomain.Factorization
{ "line": 970, "column": 23 }
{ "line": 970, "column": 34 }
[ { "pp": "R : Type u_3\ninst✝³ : CommRing R\ninst✝² : IsDedekindDomain R\np : HeightOneSpectrum R\nι : Type u_4\ninst✝¹ : Finite ι\ninst✝ : Nonempty ι\nI : ι → Ideal R\nH : ∀ (i : ι), FiniteMultiplicity p.asIdeal (I i)\nhI : ⨆ i, I i = ⊥\n⊢ ∃ i, I i = ⊥", "usedConstants": [ "Lattice.toSemilatticeSup", ...
iSup_eq_bot
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.NNReal.Defs
{ "line": 715, "column": 26 }
{ "line": 717, "column": 74 }
[ { "pp": "a b : ℝ≥0\nha : 0 < a\nhb : b < 1\n⊢ ∃ n, b ^ n < a", "usedConstants": [ "Iff.mpr", "Real", "Preorder.toLT", "Real.instArchimedean", "Real.instZero", "congrArg", "NNReal.coe_lt_coe._simp_1", "PartialOrder.toPreorder", "Real.instLT", "Preor...
by simpa only [← coe_pow, NNReal.coe_lt_coe] using exists_pow_lt_of_lt_one (NNReal.coe_pos.2 ha) (NNReal.coe_lt_coe.2 hb)
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Operations
{ "line": 498, "column": 76 }
{ "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", ...
by simp [uIoo]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Operations
{ "line": 638, "column": 46 }
{ "line": 638, "column": 61 }
[ { "pp": "ι : Sort u_1\na : ℝ≥0∞\ninst✝ : Nonempty ι\nf : ι → ℝ≥0∞\nha : a ≠ ∞\ni : ι\n⊢ a + f i ≤ a + ⨆ i, f i", "usedConstants": [ "ENNReal.instAdd", "le_refl", "ENNReal.instAddCommMonoid", "iSup", "CompletelyDistribLattice.toCompleteLattice", "PartialOrder.toPreorder", ...
grw [← le_iSup]
Mathlib.Tactic._aux_Mathlib_Tactic_GRewrite_Elab___macroRules_Mathlib_Tactic_grwSeq_1
Mathlib.Tactic.grwSeq
Mathlib.Data.ENNReal.Operations
{ "line": 638, "column": 46 }
{ "line": 638, "column": 61 }
[ { "pp": "ι : Sort u_1\na : ℝ≥0∞\ninst✝ : Nonempty ι\nf : ι → ℝ≥0∞\nha : a ≠ ∞\ni : ι\n⊢ a + f i ≤ a + ⨆ i, f i", "usedConstants": [ "ENNReal.instAdd", "le_refl", "ENNReal.instAddCommMonoid", "iSup", "CompletelyDistribLattice.toCompleteLattice", "PartialOrder.toPreorder", ...
grw [← le_iSup]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Operations
{ "line": 638, "column": 46 }
{ "line": 638, "column": 61 }
[ { "pp": "ι : Sort u_1\na : ℝ≥0∞\ninst✝ : Nonempty ι\nf : ι → ℝ≥0∞\nha : a ≠ ∞\ni : ι\n⊢ a + f i ≤ a + ⨆ i, f i", "usedConstants": [ "ENNReal.instAdd", "le_refl", "ENNReal.instAddCommMonoid", "iSup", "CompletelyDistribLattice.toCompleteLattice", "PartialOrder.toPreorder", ...
grw [← le_iSup]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.EReal.Basic
{ "line": 205, "column": 29 }
{ "line": 205, "column": 44 }
[ { "pp": "x : EReal\n⊢ x * 1 = x", "usedConstants": [ "Eq.mpr", "HMul.hMul", "congrArg", "EReal", "id", "EReal.mul_comm", "One.toOfNat1", "OfNat.ofNat", "Eq", "instOneEReal", "EReal.instMul", "instHMul" ] } ]
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Basic
{ "line": 207, "column": 30 }
{ "line": 207, "column": 45 }
[ { "pp": "x : EReal\n⊢ x * 0 = 0", "usedConstants": [ "Eq.mpr", "HMul.hMul", "congrArg", "EReal", "id", "instZeroEReal", "EReal.mul_comm", "Zero.toOfNat0", "OfNat.ofNat", "Eq", "EReal.instMul", "instHMul" ] } ]
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Basic
{ "line": 684, "column": 39 }
{ "line": 684, "column": 54 }
[ { "pp": "x : ℝ≥0\n⊢ ⊤ * ↑↑x = ↑↑x * ↑∞", "usedConstants": [ "Eq.mpr", "ENNReal.ofNNReal", "HMul.hMul", "congrArg", "EReal", "instTopEReal", "id", "ENNReal.toEReal", "EReal.mul_comm", "ENNReal", "ENNReal.instTop", "Top.top", "Eq", ...
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.ENNReal.BigOperators
{ "line": 168, "column": 4 }
{ "line": 168, "column": 31 }
[ { "pp": "case cons.h₁\nι : Type u_1\nα : Type u_2\nf : α → ι → ℝ≥0∞\nhf : ∀ (i j : ι), ∃ k, ∀ (a : α), f a i ≤ f a k ∧ f a j ≤ f a k\na : α\ns : Finset α\nha : a ∉ s\nihs : ∑ a ∈ s, ⨆ i, f a i = ⨆ i, ∑ a ∈ s, f a i\ni j k : ι\nhk : ∀ (a : α), f a i ≤ f a k ∧ f a j ≤ f a k\n⊢ f a i ≤ f a k", "usedConstants":...
exacts [(hk a).1, (hk _).2]
Batteries.Tactic._aux_Batteries_Tactic_Init___elabRules_Batteries_Tactic_exacts_1
Batteries.Tactic.exacts
Mathlib.Topology.Order.MonotoneConvergence
{ "line": 235, "column": 4 }
{ "line": 235, "column": 61 }
[ { "pp": "case mpr\nι₁ : Type u_3\nι₂ : Type u_4\nα : Type u_5\ninst✝⁶ : SemilatticeSup ι₁\ninst✝⁵ : Preorder ι₂\ninst✝⁴ : Nonempty ι₁\ninst✝³ : TopologicalSpace α\ninst✝² : ConditionallyCompleteLinearOrder α\ninst✝¹ : OrderTopology α\ninst✝ : NoMaxOrder α\nf : ι₂ → α\nφ : ι₁ → ι₂\nl : α\nhf : Monotone f\nhg : T...
rcases tendsto_atTop_of_monotone hf with (h' | ⟨l', hl'⟩)
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRCases
Lean.Parser.Tactic.rcases
Mathlib.Topology.Order.IsLUB
{ "line": 220, "column": 34 }
{ "line": 220, "column": 74 }
[ { "pp": "γ : Type u_2\nα : Type u_3\ninst✝³ : TopologicalSpace α\ninst✝² : ConditionallyCompleteLinearOrder α\ninst✝¹ : ClosedIicTopology α\nf : γ → α\ninst✝ : TopologicalSpace γ\nS : Set γ\nhS : Dense S\nhf : Continuous[inst✝, inst✝³] f\nh : ¬BddAbove (range fun x ↦ f ↑x)\nthis : ¬BddAbove (range f)\n⊢ ⨆ s, f ...
by simp [ciSup_of_not_bddAbove, this, h]
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Inv
{ "line": 266, "column": 2 }
{ "line": 267, "column": 43 }
[ { "pp": "c a b : ℝ≥0∞\nhc : c ≠ 0\nhc' : c ≠ ∞\n⊢ a * c / (b * c) = a / b", "usedConstants": [ "Eq.mpr", "MulOne.toOne", "DivInvMonoid.toInv", "instHDiv", "HMul.hMul", "mul_mul_mul_comm", "Monoid.toMulOneClass", "CommSemiring.toNonUnitalCommSemiring", "c...
rw [div_eq_mul_inv, div_eq_mul_inv, ENNReal.mul_inv (Or.inr hc') (Or.inr hc), mul_mul_mul_comm, ENNReal.mul_inv_cancel hc hc', mul_one]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_rwSeq_1
Lean.Parser.Tactic.rwSeq
Mathlib.Data.ENNReal.Inv
{ "line": 266, "column": 2 }
{ "line": 267, "column": 43 }
[ { "pp": "c a b : ℝ≥0∞\nhc : c ≠ 0\nhc' : c ≠ ∞\n⊢ a * c / (b * c) = a / b", "usedConstants": [ "Eq.mpr", "MulOne.toOne", "DivInvMonoid.toInv", "instHDiv", "HMul.hMul", "mul_mul_mul_comm", "Monoid.toMulOneClass", "CommSemiring.toNonUnitalCommSemiring", "c...
rw [div_eq_mul_inv, div_eq_mul_inv, ENNReal.mul_inv (Or.inr hc') (Or.inr hc), mul_mul_mul_comm, ENNReal.mul_inv_cancel hc hc', mul_one]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Inv
{ "line": 266, "column": 2 }
{ "line": 267, "column": 43 }
[ { "pp": "c a b : ℝ≥0∞\nhc : c ≠ 0\nhc' : c ≠ ∞\n⊢ a * c / (b * c) = a / b", "usedConstants": [ "Eq.mpr", "MulOne.toOne", "DivInvMonoid.toInv", "instHDiv", "HMul.hMul", "mul_mul_mul_comm", "Monoid.toMulOneClass", "CommSemiring.toNonUnitalCommSemiring", "c...
rw [div_eq_mul_inv, div_eq_mul_inv, ENNReal.mul_inv (Or.inr hc') (Or.inr hc), mul_mul_mul_comm, ENNReal.mul_inv_cancel hc hc', mul_one]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Data.ENNReal.Inv
{ "line": 293, "column": 49 }
{ "line": 294, "column": 54 }
[ { "pp": "a b : ℝ≥0∞\n⊢ a < b⁻¹ ↔ b < a⁻¹", "usedConstants": [ "Preorder.toLT", "congrArg", "PartialOrder.toPreorder", "Eq.mp", "Iff", "Inv.inv", "ENNReal.instInvolutiveInv", "inv_inv", "LT.lt", "ENNReal", "ENNReal.instPartialOrder", "EN...
by simpa only [inv_inv] using @ENNReal.inv_lt_inv a⁻¹ b
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.ENNReal.Inv
{ "line": 648, "column": 4 }
{ "line": 648, "column": 54 }
[ { "pp": "a b : ℝ≥0∞\nha : a ≠ 0\nhb : b ≠ ∞\nn : ℕ\nhn : b / a < ↑n\n⊢ b < ↑n * a", "usedConstants": [ "Eq.mpr", "Preorder.toLT", "instHDiv", "HMul.hMul", "congrArg", "CommSemiring.toSemiring", "PartialOrder.toPreorder", "id", "HDiv.hDiv", "AddMono...
rwa [← ENNReal.div_lt_iff (Or.inl ha) (Or.inr hb)]
Lean.Parser.Tactic._aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tacticRwa___1
Lean.Parser.Tactic.tacticRwa__
Mathlib.Data.ENNReal.Inv
{ "line": 648, "column": 4 }
{ "line": 648, "column": 54 }
[ { "pp": "a b : ℝ≥0∞\nha : a ≠ 0\nhb : b ≠ ∞\nn : ℕ\nhn : b / a < ↑n\n⊢ b < ↑n * a", "usedConstants": [ "Eq.mpr", "Preorder.toLT", "instHDiv", "HMul.hMul", "congrArg", "CommSemiring.toSemiring", "PartialOrder.toPreorder", "id", "HDiv.hDiv", "AddMono...
rwa [← ENNReal.div_lt_iff (Or.inl ha) (Or.inr hb)]
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.ENNReal.Inv
{ "line": 648, "column": 4 }
{ "line": 648, "column": 54 }
[ { "pp": "a b : ℝ≥0∞\nha : a ≠ 0\nhb : b ≠ ∞\nn : ℕ\nhn : b / a < ↑n\n⊢ b < ↑n * a", "usedConstants": [ "Eq.mpr", "Preorder.toLT", "instHDiv", "HMul.hMul", "congrArg", "CommSemiring.toSemiring", "PartialOrder.toPreorder", "id", "HDiv.hDiv", "AddMono...
rwa [← ENNReal.div_lt_iff (Or.inl ha) (Or.inr hb)]
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Order.LiminfLimsup
{ "line": 211, "column": 8 }
{ "line": 211, "column": 58 }
[ { "pp": "case pos\nα : Type u_2\ninst✝³ : ConditionallyCompleteLinearOrder α\ninst✝² : TopologicalSpace α\ninst✝¹ : OrderTopology α\nf : Filter α\ninst✝ : f.NeBot\nhc : IsCobounded (fun x1 x2 ↦ x1 ≤ x2) f\nhb : IsBounded (fun x1 x2 ↦ x1 ≤ x2) f\nhn : Nontrivial α\nhtop : ∃ x, f.limsSup < x\nhbot : ∀ (x : α), f....
exact lt_mem_sets_of_limsSup_lt hb h |>.frequently
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Data.ENNReal.Inv
{ "line": 744, "column": 4 }
{ "line": 744, "column": 71 }
[ { "pp": "x : ℝ≥0∞\nhx : 1 ≤ x\na b : ℕ\nh : Int.ofNat a ≤ Int.negSucc b\n⊢ Int.negSucc b < Int.ofNat a", "usedConstants": [ "PartialOrder.toPreorder", "SemilatticeInf.toPartialOrder", "Int.negSucc_lt_zero", "Int.ofNat", "Int", "instOfNat", "instLatticeInt", "I...
exact lt_of_lt_of_le (Int.negSucc_lt_zero _) (Int.natCast_nonneg _)
Lean.Elab.Tactic.evalExact
Lean.Parser.Tactic.exact
Mathlib.Topology.EMetricSpace.Lipschitz
{ "line": 341, "column": 85 }
{ "line": 348, "column": 92 }
[ { "pp": "α : Type u\nβ : Type v\nγ : Type w\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : PseudoEMetricSpace β\ninst✝ : PseudoEMetricSpace γ\nf : α → β → γ\nK₁ K₂ : ℝ≥0\ns : Set α\nt : Set β\nhf₁ : ∀ b ∈ t, LipschitzOnWith K₁ (fun x ↦ f x b) s\nhf₂ : ∀ a ∈ s, LipschitzOnWith K₂ (f a) t\n⊢ Metric.ediam (image2 f s t)...
by simp only [Metric.ediam_le_iff, forall_mem_image2] intro a₁ ha₁ b₁ hb₁ a₂ ha₂ b₂ hb₂ refine (edist_triangle _ (f a₂ b₁) _).trans ?_ exact add_le_add ((hf₁ b₁ hb₁ ha₁ ha₂).trans <| mul_right_mono <| Metric.edist_le_ediam_of_mem ha₁ ha₂) ((hf₂ a₂ ha₂ hb₁ hb₂).trans <| mul_right_mono <| Metric.e...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Algebra.InfiniteSum.Group
{ "line": 318, "column": 2 }
{ "line": 320, "column": 5 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝⁴ : UniformSpace α\ninst✝³ : CommGroup α\ninst✝² : IsUniformGroup α\ninst✝¹ : CompleteSpace α\ninst✝ : T2Space α\nf : β → α\nhf : Multipliable f\ns : Finset β\n⊢ (∏ x ∈ s, f x) * ∏' (x : { x // x ∉ s }), f ↑x = ∏' (x : β), f x", "usedConstants": [ "Eq.mpr", ...
rw [← hf.tprod_subtype_mul_tprod_subtype_compl s] simp only [Finset.tprod_subtype', mul_right_inj] rfl
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Algebra.InfiniteSum.Group
{ "line": 318, "column": 2 }
{ "line": 320, "column": 5 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝⁴ : UniformSpace α\ninst✝³ : CommGroup α\ninst✝² : IsUniformGroup α\ninst✝¹ : CompleteSpace α\ninst✝ : T2Space α\nf : β → α\nhf : Multipliable f\ns : Finset β\n⊢ (∏ x ∈ s, f x) * ∏' (x : { x // x ∉ s }), f ↑x = ∏' (x : β), f x", "usedConstants": [ "Eq.mpr", ...
rw [← hf.tprod_subtype_mul_tprod_subtype_compl s] simp only [Finset.tprod_subtype', mul_right_inj] rfl
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.InfiniteSum.Order
{ "line": 158, "column": 11 }
{ "line": 158, "column": 24 }
[ { "pp": "case neg\nι : Type u_1\nα : Type u_3\nL : SummationFilter ι\ninst✝³ : CommMonoid α\ninst✝² : Preorder α\ninst✝¹ : TopologicalSpace α\ninst✝ : OrderClosedTopology α\nf : ι → α\na₂ : α\nha₂ : 1 ≤ a₂\nh : ∀ (s : Finset ι), ∏ i ∈ s, f i ≤ a₂\nhL : ¬L.NeBot\nhf : ¬(mulSupport f).Finite\n⊢ ∏'[L] (i : ι), f i...
tprod_bot hL,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Operations
{ "line": 577, "column": 6 }
{ "line": 577, "column": 21 }
[ { "pp": "x : ℝ≥0∞\nhx : x ≠ 0\n⊢ ↑x * ⊤ = ⊤", "usedConstants": [ "Eq.mpr", "HMul.hMul", "congrArg", "EReal", "instTopEReal", "id", "ENNReal.toEReal", "EReal.mul_comm", "Top.top", "Eq", "EReal.instMul", "instHMul" ] } ]
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Operations
{ "line": 746, "column": 53 }
{ "line": 746, "column": 68 }
[ { "pp": "a b : EReal\n⊢ -a = ⊥ ∧ b < 0 ∨ -a < 0 ∧ b = ⊥ ∨ -a = ⊤ ∧ 0 < b ∨ 0 < -a ∧ b = ⊤ ↔\n a = ⊥ ∧ 0 < b ∨ 0 < a ∧ b = ⊥ ∨ a = ⊤ ∧ b < 0 ∨ a < 0 ∧ b = ⊤", "usedConstants": [ "Eq.mpr", "Preorder.toLT", "congrArg", "PartialOrder.toPreorder", "EReal.instNeg", "EReal", ...
neg_eq_bot_iff,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Order.IntermediateValue
{ "line": 396, "column": 4 }
{ "line": 396, "column": 42 }
[ { "pp": "α : Type u\ninst✝³ : TopologicalSpace α\ninst✝² : ConditionallyCompleteLinearOrder α\ninst✝¹ : OrderTopology α\ninst✝ : DenselyOrdered α\na b : α\ns : Set α\nhs : IsClosed[inst✝³] (s ∩ Icc a b)\nha : a ∈ s\nh : ∀ t ∈ Ico a b, Icc a t ⊆ s → s ∈ 𝓝[>] t\nhab : a ≤ b\nA : Set α := {t | t ∈ Icc a b ∧ Icc a...
rcases le_or_gt t' t₁ with h't' | h't'
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalRCases
Lean.Parser.Tactic.rcases
Mathlib.Data.EReal.Operations
{ "line": 775, "column": 6 }
{ "line": 775, "column": 21 }
[ { "pp": "x y : EReal\nhy : 0 ≤ y\n⊢ (x * y).toENNReal = x.toENNReal * y.toENNReal", "usedConstants": [ "Eq.mpr", "HMul.hMul", "congrArg", "CommSemiring.toSemiring", "EReal.toENNReal", "EReal", "id", "ENNReal.instCommSemiring", "instDistribOfSemiring", ...
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.MetricSpace.Pseudo.Defs
{ "line": 590, "column": 6 }
{ "line": 590, "column": 28 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\nx y : α\nε₁ ε₂ : ℝ\nh : dist x y ≤ ε₂ - ε₁\nz : α\nzx : z ∈ ball x ε₁\n⊢ z ∈ ball y ε₂", "usedConstants": [ "Eq.mpr", "Real", "congrArg", "AddMonoid.toAddZeroClass", "HSub.hSub", "AddCommGroup.toAddGroup", "Membershi...
← add_sub_cancel ε₁ ε₂
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.MetricSpace.Pseudo.Defs
{ "line": 1036, "column": 85 }
{ "line": 1038, "column": 5 }
[ { "pp": "α : Type u_3\nU : UniformSpace α\nm : PseudoMetricSpace α\nH : 𝓤 α = 𝓤 α\n⊢ m.replaceUniformity H = m", "usedConstants": [ "Real", "PseudoMetricSpace.ext", "funext", "Dist.ext", "Eq.refl", "Dist.dist", "PseudoMetricSpace.toDist", "PseudoMetricSpace....
by ext rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Pseudo.Defs
{ "line": 1056, "column": 79 }
{ "line": 1058, "column": 5 }
[ { "pp": "γ : Type u_3\nU : TopologicalSpace γ\nm : PseudoMetricSpace γ\nH : U = toUniformSpace.toTopologicalSpace\n⊢ m.replaceTopology H = m", "usedConstants": [ "Real", "PseudoMetricSpace.ext", "funext", "Dist.ext", "Eq.refl", "Dist.dist", "PseudoMetricSpace.toDist...
by ext rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Pseudo.Defs
{ "line": 1102, "column": 50 }
{ "line": 1104, "column": 5 }
[ { "pp": "α : Type u_3\nm : PseudoMetricSpace α\nB : Bornology α\nH : ∀ (s : Set α), Bornology.IsBounded s ↔ Bornology.IsBounded s\n⊢ m.replaceBornology H = m", "usedConstants": [ "Real", "PseudoMetricSpace.ext", "PseudoMetricSpace.replaceBornology", "funext", "Dist.ext", ...
by ext rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Defs
{ "line": 188, "column": 44 }
{ "line": 190, "column": 5 }
[ { "pp": "α : Type u_3\nm : MetricSpace α\nB : Bornology α\nH : ∀ (s : Set α), Bornology.IsBounded s ↔ Bornology.IsBounded s\n⊢ m.replaceBornology H = m", "usedConstants": [ "Real", "MetricSpace.ext", "funext", "Dist.ext", "MetricSpace.replaceBornology", "Eq.refl", "...
by ext rfl
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.MetricSpace.Bounded
{ "line": 161, "column": 4 }
{ "line": 161, "column": 82 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\nc : α\n⊢ (cobounded α).HasBasis (fun x ↦ True) fun i ↦ (fun x ↦ dist x c) ⁻¹' Ici i", "usedConstants": [ "Real", "PseudoMetricSpace.toBornology", "congrArg", "Compl.compl", "PartialOrder.toPreorder", "setOf", "Real.i...
simpa only [compl_def, mem_ball, not_lt] using hasBasis_cobounded_compl_ball c
Lean.Elab.Tactic.Simpa.evalSimpa
Lean.Parser.Tactic.simpa
Mathlib.Topology.MetricSpace.Bounded
{ "line": 161, "column": 4 }
{ "line": 161, "column": 82 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\nc : α\n⊢ (cobounded α).HasBasis (fun x ↦ True) fun i ↦ (fun x ↦ dist x c) ⁻¹' Ici i", "usedConstants": [ "Real", "PseudoMetricSpace.toBornology", "congrArg", "Compl.compl", "PartialOrder.toPreorder", "setOf", "Real.i...
simpa only [compl_def, mem_ball, not_lt] using hasBasis_cobounded_compl_ball c
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.MetricSpace.Bounded
{ "line": 161, "column": 4 }
{ "line": 161, "column": 82 }
[ { "pp": "α : Type u\ninst✝ : PseudoMetricSpace α\nc : α\n⊢ (cobounded α).HasBasis (fun x ↦ True) fun i ↦ (fun x ↦ dist x c) ⁻¹' Ici i", "usedConstants": [ "Real", "PseudoMetricSpace.toBornology", "congrArg", "Compl.compl", "PartialOrder.toPreorder", "setOf", "Real.i...
simpa only [compl_def, mem_ball, not_lt] using hasBasis_cobounded_compl_ball c
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.MetricSpace.Isometry
{ "line": 640, "column": 53 }
{ "line": 640, "column": 83 }
[ { "pp": "F : Type u_1\nι : Type u_2\nα : Type u\nβ : Type v\nγ : Type w\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : PseudoEMetricSpace β\ninst✝ : PseudoEMetricSpace γ\nm n : ℕ\nx✝¹ x✝ : (Fin m → α) × (Fin n → α)\n⊢ edist (Fin.append x✝¹.1 x✝¹.2) (Fin.append x✝.1 x✝.2) = edist x✝¹ x✝", "usedConstants": [ ...
Fin.edist_append_eq_max_edist,
Mathlib.Tactic._aux_Mathlib_Tactic_SimpRw___elabRules_Mathlib_Tactic_tacticSimp_rw____1
null
Mathlib.MeasureTheory.OuterMeasure.Basic
{ "line": 130, "column": 37 }
{ "line": 130, "column": 57 }
[ { "pp": "α : Type u_1\nF : Type u_3\ninst✝¹ : FunLike F (Set α) ℝ≥0∞\ninst✝ : OuterMeasureClass F α\nμ : F\ns : Set α\nhs : s.Countable\n⊢ μ s = 0 ↔ μ (⋃ i ∈ s, {i}) = 0", "usedConstants": [ "Eq.mpr", "congrArg", "Membership.mem", "Set.biUnion_of_singleton", "Set.instSingletonS...
biUnion_of_singleton
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Topology.Instances.ENNReal.Lemmas
{ "line": 153, "column": 67 }
{ "line": 154, "column": 75 }
[ { "pp": "α : Type u_1\nf : α → ℝ≥0\nl : Filter α\n⊢ Tendsto (fun x ↦ ↑(f x)) l (𝓝 ∞) ↔ Tendsto f l atTop", "usedConstants": [ "Eq.mpr", "ENNReal.ofNNReal", "Set.Ioi", "Preorder.toLT", "NNReal.instInhabited", "ENNReal.tendsto_nhds_top_iff_nnreal", "congrArg", ...
by rw [tendsto_nhds_top_iff_nnreal, atTop_basis_Ioi.tendsto_right_iff]; simp
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Topology.Instances.ENNReal.Lemmas
{ "line": 711, "column": 8 }
{ "line": 711, "column": 42 }
[ { "pp": "case inr\na b : ℝ\nh : a < b\n⊢ ediam (Ioo a b) = ENNReal.ofReal (b - a)", "usedConstants": [ "Eq.mpr", "ConditionallyCompleteLinearOrder.toCompactIccSpace", "Real", "Real.ediam_eq", "ENNReal.ofReal", "congrArg", "Real.instSub", "Metric.isBounded_Ioo"...
Real.ediam_eq (isBounded_Ioo _ _),
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.Sign.Defs
{ "line": 310, "column": 49 }
{ "line": 315, "column": 43 }
[ { "pp": "α : Type u_1\ninst✝¹ : Zero α\ninst✝ : LinearOrder α\na : α\n⊢ sign a = 0 ↔ a = 0", "usedConstants": [ "SignType.ctorIdx", "False", "Preorder.toLT", "SignType.instOne", "congrArg", "HEq.refl", "False.elim", "PartialOrder.toPreorder", "SignType.i...
by refine ⟨fun h => ?_, fun h => h.symm ▸ sign_zero⟩ rw [sign_apply] at h split_ifs at h with h_1 h_2 cases h exact (le_of_not_gt h_1).eq_of_not_lt h_2
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.Nat.Cast.Order.Field
{ "line": 36, "column": 29 }
{ "line": 36, "column": 42 }
[ { "pp": "case zero\nα : Type u_1\ninst✝² : Semifield α\ninst✝¹ : LinearOrder α\ninst✝ : IsStrictOrderedRing α\nm : ℕ\n⊢ ↑(m / 0) ≤ 0", "usedConstants": [ "Eq.mpr", "GroupWithZero.toMonoidWithZero", "NonAssocSemiring.toAddCommMonoidWithOne", "instHDiv", "congrArg", "Partia...
Nat.div_zero,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Inv
{ "line": 103, "column": 67 }
{ "line": 111, "column": 62 }
[ { "pp": "x y : EReal\n⊢ sign (x * y) = sign x * sign y", "usedConstants": [ "CommMonoidWithZero.toCommMonoid", "Iff.mpr", "Eq.mpr", "GroupWithZero.toMonoidWithZero", "MulOne.toOne", "Real", "SignType.instHasDistribNeg", "Preorder.toLT", "HMul.hMul", ...
by induction x, y using induction₂_symm_neg with | top_zero => simp only [mul_zero, sign_zero] | top_top => rfl | symm h => rwa [mul_comm, EReal.mul_comm] | coe_coe => simp only [← coe_mul, sign_coe, _root_.sign_mul] | top_pos _ h => rw [top_mul_coe_of_pos h, sign_top, one_mul, sign_pos (EReal.coe_pos.2...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Data.EReal.Inv
{ "line": 119, "column": 6 }
{ "line": 119, "column": 21 }
[ { "pp": "x : EReal\n⊢ ↑x.abs * ↑(sign x) = x", "usedConstants": [ "SignType.cast", "Eq.mpr", "EReal.abs", "HMul.hMul", "congrArg", "PartialOrder.toPreorder", "SignType.instLinearOrder", "EReal.instNeg", "EReal", "SemilatticeInf.toPartialOrder", ...
EReal.mul_comm,
Lean.Elab.Tactic.evalRewriteSeq
null
Mathlib.Data.EReal.Inv
{ "line": 255, "column": 6 }
{ "line": 258, "column": 28 }
[ { "pp": "case coe.inr.inr\na : ℝ\na_pos : 0 < a\n⊢ ↑(sign ↑a) * (↑(↑a).abs)⁻¹ = (↑a)⁻¹", "usedConstants": [ "AddGroup.toSubtractionMonoid", "SignType.cast", "Eq.mpr", "EReal.abs", "MulOne.toOne", "SignType.coe_one", "Real", "Inv", "HMul.hMul", "ERe...
rw [sign_coe, _root_.sign_pos a_pos, SignType.coe_one, one_mul] simp only [abs_def a, coe_ennreal_ofReal, abs_nonneg, max_eq_left] congr exact abs_of_pos a_pos
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Data.EReal.Inv
{ "line": 255, "column": 6 }
{ "line": 258, "column": 28 }
[ { "pp": "case coe.inr.inr\na : ℝ\na_pos : 0 < a\n⊢ ↑(sign ↑a) * (↑(↑a).abs)⁻¹ = (↑a)⁻¹", "usedConstants": [ "AddGroup.toSubtractionMonoid", "SignType.cast", "Eq.mpr", "EReal.abs", "MulOne.toOne", "SignType.coe_one", "Real", "Inv", "HMul.hMul", "ERe...
rw [sign_coe, _root_.sign_pos a_pos, SignType.coe_one, one_mul] simp only [abs_def a, coe_ennreal_ofReal, abs_nonneg, max_eq_left] congr exact abs_of_pos a_pos
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Algebra.InfiniteSum.ENNReal
{ "line": 513, "column": 4 }
{ "line": 513, "column": 28 }
[ { "pp": "case neg\nα : Type u_1\nsf sg : ℝ≥0∞\ni : α\nhsf : sf ≠ ∞\nhsg : ¬sg = ∞\nf : α → ℝ≥0\nhf : HasSum (fun i ↦ ↑(f i)) sf\ng : α → ℝ≥0\nhg : HasSum (fun i ↦ ↑(g i)) sg\nh : ∀ (a : α), (fun i ↦ ↑(f i)) a ≤ (fun i ↦ ↑(g i)) a\nhi : (fun i ↦ ↑(f i)) i < (fun i ↦ ↑(g i)) i\n⊢ sf < sg", "usedConstants": [ ...
lift sf to ℝ≥0 using hsf
Mathlib.Tactic._aux_Mathlib_Tactic_Lift___elabRules_Mathlib_Tactic_lift_1
Mathlib.Tactic.lift
Mathlib.GroupTheory.Archimedean
{ "line": 91, "column": 2 }
{ "line": 91, "column": 34 }
[ { "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)\nhex : ∀ g > 1, ∃ n, g ∈ Ioc (a ^ n) (a ^ (n + 1))\nthis : ∃ n, (↑H ∩ Ioc (a ^ n) (a ^ (n + 1))).Nonempty\nn : ...
obtain ⟨m, hm, hya⟩ := hex y hy₀
_private.Lean.Elab.Tactic.RCases.0.Lean.Elab.Tactic.RCases.evalObtain
Lean.Parser.Tactic.obtain
Mathlib.Topology.Instances.EReal.Lemmas
{ "line": 187, "column": 2 }
{ "line": 188, "column": 18 }
[ { "pp": "⊢ Tendsto toReal (𝓝[≠] ⊤) atTop", "usedConstants": [ "Eq.mpr", "Real", "congrArg", "Filter.tendsto_id", "Filter.map", "Compl.compl", "EReal.instTopologicalSpace", "nhdsWithin", "EReal", "Filter.tendsto_map'_iff", "Function.comp", ...
rw [nhdsWithin_top, tendsto_map'_iff] exact tendsto_id
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Instances.EReal.Lemmas
{ "line": 187, "column": 2 }
{ "line": 188, "column": 18 }
[ { "pp": "⊢ Tendsto toReal (𝓝[≠] ⊤) atTop", "usedConstants": [ "Eq.mpr", "Real", "congrArg", "Filter.tendsto_id", "Filter.map", "Compl.compl", "EReal.instTopologicalSpace", "nhdsWithin", "EReal", "Filter.tendsto_map'_iff", "Function.comp", ...
rw [nhdsWithin_top, tendsto_map'_iff] exact tendsto_id
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Topology.Semicontinuity.Basic
{ "line": 128, "column": 2 }
{ "line": 128, "column": 39 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : TopologicalSpace α\ns : Set α\ny : β\ninst✝¹ : Zero β\ninst✝ : Preorder β\nhs : IsOpen[inst✝²] s\nhy : 0 ≤ y\nx : α\nz : β\nhz : s.indicator (fun _x ↦ y) x > z\n⊢ ∀ᶠ (x' : α) in 𝓝 x, (fun x1 x2 ↦ s.indicator (fun _x ↦ y) x1 > x2) x' z", "usedConstants": [ ...
by_cases h : x ∈ s <;> simp [h] at hz
Lean.Parser.Tactic.«_aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tactic_<;>__1»
Lean.Parser.Tactic.«tactic_<;>_»
Mathlib.Topology.Semicontinuity.Basic
{ "line": 149, "column": 2 }
{ "line": 149, "column": 39 }
[ { "pp": "α : Type u_1\nβ : Type u_2\ninst✝² : TopologicalSpace α\ns : Set α\ny : β\ninst✝¹ : Zero β\ninst✝ : Preorder β\nhs : IsClosed[inst✝²] s\nhy : y ≤ 0\nx : α\nz : β\nhz : s.indicator (fun _x ↦ y) x > z\n⊢ ∀ᶠ (x' : α) in 𝓝 x, (fun x1 x2 ↦ s.indicator (fun _x ↦ y) x1 > x2) x' z", "usedConstants": [ ...
by_cases h : x ∈ s <;> simp [h] at hz
Lean.Parser.Tactic.«_aux_Init_Tactics___macroRules_Lean_Parser_Tactic_tactic_<;>__1»
Lean.Parser.Tactic.«tactic_<;>_»
Mathlib.Topology.Semicontinuity.Basic
{ "line": 343, "column": 6 }
{ "line": 344, "column": 51 }
[ { "pp": "case pos\nα : Type u_1\ninst✝³ : TopologicalSpace α\nγ : Type u_4\ninst✝² : LinearOrder γ\ninst✝¹ : TopologicalSpace γ\ninst✝ : ClosedIciTopology γ\nf : α → γ\ns : Set α\nhs : IsClosed[inst✝³] s\nhf : ∀ x ∈ s, ∀ y < f x, ∀ᶠ (x : α) in 𝓝 x, x ∈ s → y < f x\nx : α\ny : γ\nh : (x, y).1 ∈ s → (x, y).2 < f...
filter_upwards [(hf x hx z hz).prodMk_nhds (eventually_lt_nhds hy')] with _ ⟨h₂, h₃⟩ h₄ using h₁ _ h₃ _ <| h₂ h₄
Mathlib.Tactic._aux_Mathlib_Order_Filter_Defs___elabRules_Mathlib_Tactic_filterUpwards_1
Mathlib.Tactic.filterUpwards
Mathlib.Topology.Semicontinuity.Basic
{ "line": 590, "column": 2 }
{ "line": 594, "column": 58 }
[ { "pp": "α : Type u_4\nβ : Type u_5\ninst✝¹ : TopologicalSpace α\ninst✝ : LinearOrder β\nf g : α → β\ns : Set α\na : α\nhf : LowerSemicontinuousWithinAt f s a\nhg : LowerSemicontinuousWithinAt g s a\n⊢ LowerSemicontinuousWithinAt (fun x ↦ max (f x) (g x)) s a", "usedConstants": [ "Eq.mpr", "Preo...
intro b hb simp only [lt_sup_iff] at hb ⊢ rcases hb with hb | hb · filter_upwards [hf b hb] with x using Or.intro_left _ · filter_upwards [hg b hb] with x using Or.intro_right _
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Topology.Semicontinuity.Basic
{ "line": 590, "column": 2 }
{ "line": 594, "column": 58 }
[ { "pp": "α : Type u_4\nβ : Type u_5\ninst✝¹ : TopologicalSpace α\ninst✝ : LinearOrder β\nf g : α → β\ns : Set α\na : α\nhf : LowerSemicontinuousWithinAt f s a\nhg : LowerSemicontinuousWithinAt g s a\n⊢ LowerSemicontinuousWithinAt (fun x ↦ max (f x) (g x)) s a", "usedConstants": [ "Eq.mpr", "Preo...
intro b hb simp only [lt_sup_iff] at hb ⊢ rcases hb with hb | hb · filter_upwards [hf b hb] with x using Or.intro_left _ · filter_upwards [hg b hb] with x using Or.intro_right _
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.MeasureTheory.OuterMeasure.OfFunction
{ "line": 409, "column": 47 }
{ "line": 415, "column": 65 }
[ { "pp": "α : Type u_1\nι : Sort u_2\nβ : Type u_3\nf : α → β\nm : ι → OuterMeasure β\n⊢ (comap f) (⨅ i, m i) = ⨅ i, (comap f) (m i)", "usedConstants": [ "Eq.mpr", "_private.Mathlib.MeasureTheory.OuterMeasure.OfFunction.0.MeasureTheory.OuterMeasure.comap_iInf._simp_1_2", "iInf", "ENNR...
by refine ext_nonempty fun s hs => ?_ refine ((comap_mono f).map_iInf_le s).antisymm ?_ simp only [comap_apply, iInf_apply' _ hs, iInf_apply' _ (hs.image _), le_iInf_iff, Set.image_subset_iff, preimage_iUnion] refine fun t ht => iInf_le_of_le _ (iInf_le_of_le ht <| ENNReal.tsum_le_tsum fun k => ?_) exact ...
[anonymous]
Lean.Parser.Term.byTactic
Mathlib.Analysis.SpecificLimits.Basic
{ "line": 521, "column": 4 }
{ "line": 522, "column": 48 }
[ { "pp": "case inr\nα : Type u_1\ninst✝ : PseudoMetricSpace α\nr C : ℝ\nf : ℕ → α\nhr : r < 1\nhu : ∀ (n : ℕ), dist (f n) (f (n + 1)) ≤ C * r ^ n\nleft✝ : 0 < C\nr₀ : 0 ≤ r\n⊢ HasSum (fun n ↦ C * r ^ n) (C / (1 - r))", "usedConstants": [ "Real", "NonUnitalCommRing.toNonUnitalNonAssocCommRing", ...
refine HasSum.mul_left C ?_ simpa using hasSum_geometric_of_lt_one r₀ hr
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented
Mathlib.Analysis.SpecificLimits.Basic
{ "line": 521, "column": 4 }
{ "line": 522, "column": 48 }
[ { "pp": "case inr\nα : Type u_1\ninst✝ : PseudoMetricSpace α\nr C : ℝ\nf : ℕ → α\nhr : r < 1\nhu : ∀ (n : ℕ), dist (f n) (f (n + 1)) ≤ C * r ^ n\nleft✝ : 0 < C\nr₀ : 0 ≤ r\n⊢ HasSum (fun n ↦ C * r ^ n) (C / (1 - r))", "usedConstants": [ "Real", "NonUnitalCommRing.toNonUnitalNonAssocCommRing", ...
refine HasSum.mul_left C ?_ simpa using hasSum_geometric_of_lt_one r₀ hr
Lean.Elab.Tactic.evalTacticSeq
Lean.Parser.Tactic.tacticSeq
Mathlib.Analysis.SpecificLimits.Basic
{ "line": 629, "column": 2 }
{ "line": 635, "column": 46 }
[ { "pp": "ε : ℝ≥0\nhε : ε ≠ 0\nι : Type u_4\ninst✝ : Countable ι\n⊢ ∃ ε', (∀ (i : ι), 0 < ε' i) ∧ ∃ c, HasSum ε' c ∧ c < ε", "usedConstants": [ "NNReal.instTopologicalSpace", "Iff.mpr", "LinearOrderedCommGroupWithZero.toLinearOrderedCommMonoidWithZero", "Real.instLE", "Real", ...
cases nonempty_encodable ι obtain ⟨a, a0, aε⟩ := exists_between (pos_iff_ne_zero.2 hε) obtain ⟨ε', hε', c, hc, hcε⟩ := posSumOfEncodable a0 ι exact ⟨fun i ↦ ⟨ε' i, (hε' i).le⟩, fun i ↦ NNReal.coe_lt_coe.1 <| hε' i, ⟨c, hasSum_le (fun i ↦ (hε' i).le) hasSum_zero hc⟩, NNReal.hasSum_coe.1 hc, aε.tran...
Lean.Elab.Tactic.evalTacticSeq1Indented
Lean.Parser.Tactic.tacticSeq1Indented