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Mathlib/Algebra/ContinuedFractions/TerminatedStable.lean
GeneralizedContinuedFraction.terminated_stable
[]
[ 29, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 27, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
NNReal.hasSum_strict_mono
[]
[ 1211, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1208, 1 ]
Mathlib/Topology/Order/Basic.lean
mem_nhdsWithin_Iio_iff_exists_Ico_subset
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ninst✝⁴ : TopologicalSpace α\ninst✝³ : LinearOrder α\ninst✝² : OrderTopology α\ninst✝¹ : NoMinOrder α\ninst✝ : DenselyOrdered α\na : α\ns : Set α\nthis : ↑ofDual ⁻¹' s ∈ 𝓝[Ioi (↑toDual a)] ↑toDual a ↔ ∃ u, u ∈ Ioi (↑toDual a) ∧ Ioc (↑toDual a) u ⊆ ↑ofDual ⁻¹...
[ 1713, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1710, 1 ]
Mathlib/RingTheory/MvPolynomial/WeightedHomogeneous.lean
MvPolynomial.IsWeightedHomogeneous.mul
[]
[ 282, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 280, 1 ]
Mathlib/Topology/MetricSpace/Contracting.lean
ContractingWith.dist_inequality
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : MetricSpace α\nK : ℝ≥0\nf : α → α\nhf : ContractingWith K f\nx y : α\nthis : dist x y ≤ dist x (f x) + dist y (f y) + ↑K * dist x y\n⊢ dist x y ≤ (dist x (f x) + dist y (f y)) / (1 - ↑K)", "tactic": "rwa [le_div_iff hf.one_sub_K_pos, mu...
[ 281, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 276, 1 ]
Mathlib/Topology/UniformSpace/Cauchy.lean
cauchySeq_tendsto_of_isComplete
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\ninst✝¹ : UniformSpace α\ninst✝ : SemilatticeSup β\nK : Set α\nh₁ : IsComplete K\nu : β → α\nh₂ : ∀ (n : β), u n ∈ K\nh₃ : CauchySeq u\n⊢ u '' univ ⊆ K", "tactic": "rwa [image_univ, range_subset_iff]" } ]
[ 433, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]
Mathlib/Analysis/LocallyConvex/WeakDual.lean
LinearMap.hasBasis_weakBilin
[ { "state_after": "𝕜 : Type u_1\nE : Type u_2\nF : Type u_3\nι : Type ?u.39109\ninst✝⁵ : NormedField 𝕜\ninst✝⁴ : AddCommGroup E\ninst✝³ : Module 𝕜 E\ninst✝² : AddCommGroup F\ninst✝¹ : Module 𝕜 F\ninst✝ : Nonempty ι\nB✝ B : E →ₗ[𝕜] F →ₗ[𝕜] 𝕜\np : SeminormFamily 𝕜 E F := toSeminormFamily B\n⊢ Filter.HasBas...
[ 140, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/Topology/Algebra/Module/Multilinear.lean
ContinuousMultilinearMap.add_apply
[]
[ 203, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
Mathlib/Topology/FiberBundle/Constructions.lean
Bundle.Trivial.trivialization_target
[]
[ 92, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Data/Polynomial/Mirror.lean
Polynomial.mirror_mul_of_domain
[ { "state_after": "case pos\nR : Type u_1\ninst✝¹ : Ring R\np q : R[X]\ninst✝ : NoZeroDivisors R\nhp : p = 0\n⊢ mirror (p * q) = mirror p * mirror q\n\ncase neg\nR : Type u_1\ninst✝¹ : Ring R\np q : R[X]\ninst✝ : NoZeroDivisors R\nhp : ¬p = 0\n⊢ mirror (p * q) = mirror p * mirror q", "state_before": "R : Typ...
[ 209, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
src/lean/Init/Data/Nat/Div.lean
Nat.modCore_eq_mod
[ { "state_after": "no goals", "state_before": "x y : Nat\n⊢ Nat.modCore x y = x % y", "tactic": "cases x with\n| zero =>\n rw [Nat.modCore]\n exact if_neg fun ⟨hlt, hle⟩ => Nat.lt_irrefl _ (Nat.lt_of_lt_of_le hlt hle)\n| succ x => rfl" }, { "state_after": "case zero\ny : Nat\n⊢ ite (0 < y ∧ y ≤...
[ 92, 18 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 87, 11 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
Metric.frontier_thickening_subset
[]
[ 954, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 952, 1 ]
Mathlib/Computability/Partrec.lean
Partrec.fix
[ { "state_after": "α : Type u_1\nβ : Type ?u.267253\nγ : Type ?u.267256\nσ : Type u_2\ninst✝³ : Primcodable α\ninst✝² : Primcodable β\ninst✝¹ : Primcodable γ\ninst✝ : Primcodable σ\nf : α →. σ ⊕ α\nhf : Partrec f\nF : α → ℕ →. σ ⊕ α :=\n fun a n =>\n Nat.rec (Part.some (Sum.inr a)) (fun x IH => Part.bind IH ...
[ 863, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 853, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
AEMeasurable.congr
[]
[ 702, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 701, 1 ]
Mathlib/Order/Antichain.lean
IsAntichain.preimage_relEmbedding
[]
[ 132, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.Set.mulIndicator_ae_eq_one
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type ?u.132859\nγ : Type ?u.132862\nδ : Type ?u.132865\nι : Type ?u.132868\ninst✝¹ : MeasurableSpace α\nμ μ₁ μ₂ : Measure α\ns✝ s₁ s₂ t : Set α\nM : Type u_1\ninst✝ : One M\nf : α → M\ns : Set α\nh : mulIndicator s f =ᵐ[μ] 1\n⊢ ↑↑μ (s ∩ mulSupp...
[ 556, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 554, 1 ]
src/lean/Init/Data/Nat/Div.lean
Nat.div_eq
[ { "state_after": "x y : Nat\n⊢ Nat.div x y = ite (0 < y ∧ y ≤ x) ((x - y) / y + 1) 0", "state_before": "x y : Nat\n⊢ x / y = ite (0 < y ∧ y ≤ x) ((x - y) / y + 1) 0", "tactic": "show Nat.div x y = _" }, { "state_after": "x y : Nat\n⊢ ite (0 < y ∧ y ≤ x) (Nat.div (x - y) y + 1) 0 = ite (0 < y ∧ y...
[ 28, 6 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 25, 1 ]
Mathlib/Data/MvPolynomial/Variables.lean
MvPolynomial.degrees_map
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\nσ : Type u_1\nτ : Type ?u.52567\nr : R\ne : ℕ\nn m : σ\ns : σ →₀ ℕ\ninst✝¹ : CommSemiring R\np✝ q : MvPolynomial σ R\ninst✝ : CommSemiring S\np : MvPolynomial σ R\nf : R →+* S\n⊢ degrees (↑(map f) p) ⊆ degrees p", "tactic": "classical...
[ 234, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 228, 1 ]
Mathlib/Data/Seq/WSeq.lean
Stream'.WSeq.toList'_nil
[]
[ 1273, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1267, 1 ]
Mathlib/GroupTheory/GroupAction/Support.lean
MulAction.Supports.mono
[]
[ 50, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Real.sin_pi_div_two_sub
[ { "state_after": "no goals", "state_before": "x : ℝ\n⊢ sin (π / 2 - x) = cos x", "tactic": "simp [sub_eq_add_neg, sin_add]" } ]
[ 451, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 451, 1 ]
Mathlib/Algebra/Category/GroupCat/Images.lean
AddCommGroupCat.image.fac
[ { "state_after": "case w\nG H : AddCommGroupCat\nf : G ⟶ H\nx✝ : ↑G\n⊢ ↑(factorThruImage f ≫ ι f) x✝ = ↑f x✝", "state_before": "G H : AddCommGroupCat\nf : G ⟶ H\n⊢ factorThruImage f ≫ ι f = f", "tactic": "ext" }, { "state_after": "no goals", "state_before": "case w\nG H : AddCommGroupCat\nf ...
[ 61, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Topology/Instances/AddCircle.lean
AddCircle.finite_setOf_add_order_eq
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_1\nB : Type ?u.298327\ninst✝² : LinearOrderedField 𝕜\ninst✝¹ : TopologicalSpace 𝕜\ninst✝ : OrderTopology 𝕜\np q : 𝕜\nhp : Fact (0 < p)\nn : ℕ\nhn : 0 < n\n⊢ Nat.card ↑{u | addOrderOf u = n} ≠ 0", "tactic": "simpa only [coe_setOf, card_addOrde...
[ 502, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 498, 1 ]
Mathlib/Data/MvPolynomial/Rename.lean
MvPolynomial.killCompl_rename_app
[]
[ 147, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/MeasureTheory/Function/LpSpace.lean
ContinuousMap.toLp_inj
[]
[ 1748, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1746, 1 ]
Mathlib/Data/Rel.lean
Rel.preimage_univ
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.19926\nr : Rel α β\n⊢ preimage r Set.univ = dom r", "tactic": "rw [preimage, image_univ, codom_inv]" } ]
[ 207, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 207, 1 ]
Mathlib/Topology/SubsetProperties.lean
isPreirreducible_empty
[]
[ 1703, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1702, 1 ]
Mathlib/CategoryTheory/Sites/SheafOfTypes.lean
CategoryTheory.Presieve.FamilyOfElements.comp_of_compatible
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝ : Category C\nP Q U : Cᵒᵖ ⥤ Type w\nX Y : C\nS✝ : Sieve X\nR : Presieve X\nJ J₂ : GrothendieckTopology C\nS : Sieve X\nx : FamilyOfElements P S.arrows\nt : Compatible x\nf : Y ⟶ X\nhf : S.arrows f\nZ : C\ng : Z ⟶ Y\n⊢ x (g ≫ f) (_ : S.arrows (...
[ 288, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/Data/Set/Basic.lean
Set.Nontrivial.ne_singleton
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\na b : α\ns s₁ s₂ t t₁ t₂ u : Set α\nx : α\nhs : Set.Nontrivial {x}\nH : s = {x}\n⊢ False", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nι : Sort x\na b : α\ns s₁ s₂ t t₁ t₂ u : Set α\nx : α\nhs : Set.Nontrivial s\nH : s = {x}\n⊢ False...
[ 2548, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2546, 1 ]
Mathlib/MeasureTheory/Measure/Portmanteau.lean
MeasureTheory.le_measure_compl_liminf_of_limsup_measure_le
[ { "state_after": "case pos\nΩ : Type u_2\ninst✝² : MeasurableSpace Ω\nι : Type u_1\nL : Filter ι\nμ : Measure Ω\nμs : ι → Measure Ω\ninst✝¹ : IsProbabilityMeasure μ\ninst✝ : ∀ (i : ι), IsProbabilityMeasure (μs i)\nE : Set Ω\nE_mble : MeasurableSet E\nh : limsup (fun i => ↑↑(μs i) E) L ≤ ↑↑μ E\nL_bot : L = ⊥\n⊢ ...
[ 128, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.mk_bounded_set_le
[ { "state_after": "α : Type u\nc : Cardinal\n⊢ (#{ t // (#↑t) ≤ c }) ≤ (#{ t // (#↑t) ≤ c })\n\nα : Type u\nc : Cardinal\n⊢ (#{ t // (#↑t) ≤ c }) ≤ max (#α) ℵ₀ ^ c", "state_before": "α : Type u\nc : Cardinal\n⊢ (#{ t // (#↑t) ≤ c }) ≤ max (#α) ℵ₀ ^ c", "tactic": "trans #{ t : Set (Sum (ULift.{u} ℕ) α) //...
[ 1131, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1121, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.mem_coe_iff
[]
[ 532, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 531, 1 ]
Mathlib/LinearAlgebra/Basis.lean
Basis.total_repr
[ { "state_after": "ι : Type u_2\nι' : Type ?u.52430\nR : Type u_3\nR₂ : Type ?u.52436\nK : Type ?u.52439\nM : Type u_1\nM' : Type ?u.52445\nM'' : Type ?u.52448\nV : Type u\nV' : Type ?u.52453\ninst✝⁴ : Semiring R\ninst✝³ : AddCommMonoid M\ninst✝² : Module R M\ninst✝¹ : AddCommMonoid M'\ninst✝ : Module R M'\nb b₁...
[ 189, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
src/lean/Init/Data/Fin/Basic.lean
Fin.modn_lt
[]
[ 113, 68 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 112, 1 ]
Mathlib/Computability/Reduce.lean
ManyOneDegree.liftOn₂_eq
[]
[ 415, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 412, 11 ]
src/lean/Init/Core.lean
if_neg
[]
[ 798, 23 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 795, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
real_inner_mul_inner_self_le
[ { "state_after": "𝕜 : Type ?u.1881062\nE : Type ?u.1881065\nF : Type u_1\ninst✝⁴ : IsROrC 𝕜\ninst✝³ : NormedAddCommGroup E\ninst✝² : InnerProductSpace 𝕜 E\ninst✝¹ : NormedAddCommGroup F\ninst✝ : InnerProductSpace ℝ F\ndec_E : DecidableEq E\nx y : F\n⊢ inner y x * inner y x ≤ ‖inner y x * inner y x‖", "st...
[ 721, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 716, 1 ]
Mathlib/CategoryTheory/Limits/IsLimit.lean
CategoryTheory.Limits.IsLimit.hom_ext
[ { "state_after": "J : Type u₁\ninst✝² : Category J\nK : Type u₂\ninst✝¹ : Category K\nC : Type u₃\ninst✝ : Category C\nF : J ⥤ C\nt : Cone F\nh : IsLimit t\nW : C\nf f' : W ⟶ t.pt\nw : ∀ (j : J), f ≫ t.π.app j = f' ≫ t.π.app j\n⊢ lift h { pt := W, π := NatTrans.mk fun b => f ≫ t.π.app b } =\n lift h { pt := ...
[ 237, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Algebra/Order/SMul.lean
smul_le_smul_of_nonneg
[ { "state_after": "case inl\nι : Type ?u.20016\n𝕜 : Type ?u.20019\nR : Type u_2\nM : Type u_1\nN : Type ?u.20028\ninst✝³ : OrderedSemiring R\ninst✝² : OrderedAddCommMonoid M\ninst✝¹ : SMulWithZero R M\ninst✝ : OrderedSMul R M\ns : Set M\na : M\nc : R\nh₂ : 0 ≤ c\nh₁ : a ≤ a\n⊢ c • a ≤ c • a\n\ncase inr\nι : Typ...
[ 101, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 11 ]
Mathlib/Combinatorics/Additive/SalemSpencer.lean
mulRothNumber_map_mul_right
[ { "state_after": "no goals", "state_before": "F : Type ?u.148022\nα : Type u_1\nβ : Type ?u.148028\n𝕜 : Type ?u.148031\nE : Type ?u.148034\ninst✝¹ : DecidableEq α\ninst✝ : CancelCommMonoid α\ns : Finset α\na : α\n⊢ ↑mulRothNumber (map (mulRightEmbedding a) s) = ↑mulRothNumber s", "tactic": "rw [← mul_l...
[ 446, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 444, 1 ]
Mathlib/LinearAlgebra/Basis.lean
Basis.noZeroSMulDivisors
[ { "state_after": "no goals", "state_before": "ι : Type u_2\nι' : Type ?u.592022\nR : Type u_1\nR₂ : Type ?u.592028\nK : Type ?u.592031\nM : Type u_3\nM' : Type ?u.592037\nM'' : Type ?u.592040\nV : Type u\nV' : Type ?u.592045\ninst✝⁵ : Semiring R\ninst✝⁴ : AddCommMonoid M\ninst✝³ : Module R M\ninst✝² : AddCo...
[ 784, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 777, 11 ]
Std/Logic.lean
not_and'
[]
[ 318, 67 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 318, 1 ]
Mathlib/Data/Rat/Defs.lean
Rat.div_num_den
[ { "state_after": "a b c q r : ℚ\nhr : r.num = 0\nhr' : r = 0\n⊢ q / r = q.num * ↑r.den /. (↑q.den * r.num)", "state_before": "a b c q r : ℚ\nhr : r.num = 0\n⊢ q / r = q.num * ↑r.den /. (↑q.den * r.num)", "tactic": "have hr' : r = 0 := zero_of_num_zero hr" }, { "state_after": "no goals", "sta...
[ 468, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 459, 1 ]
Mathlib/Algebra/Regular/Basic.lean
isRegular_of_cancelMonoid
[]
[ 361, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 360, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
le_div_iff_of_neg'
[ { "state_after": "no goals", "state_before": "ι : Type ?u.146538\nα : Type u_1\nβ : Type ?u.146544\ninst✝ : LinearOrderedField α\na b c d : α\nn : ℤ\nhc : c < 0\n⊢ a ≤ b / c ↔ b ≤ c * a", "tactic": "rw [mul_comm, le_div_iff_of_neg hc]" } ]
[ 733, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 732, 1 ]
Mathlib/Order/BoundedOrder.lean
ne_top_of_le_ne_top
[]
[ 196, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 195, 1 ]
Mathlib/Data/Fin/VecNotation.lean
Matrix.cons_val_zero
[]
[ 129, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Data/Part.lean
Part.mem_eq
[]
[ 100, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.inf'_apply
[]
[ 1052, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1049, 11 ]
Mathlib/Computability/Partrec.lean
Partrec₂.unpaired
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.82494\nγ : Type ?u.82497\nδ : Type ?u.82500\nσ : Type ?u.82503\ninst✝⁴ : Primcodable α\ninst✝³ : Primcodable β\ninst✝² : Primcodable γ\ninst✝¹ : Primcodable δ\ninst✝ : Primcodable σ\nf : ℕ → ℕ →. α\nh : Partrec (Nat.unpaired f)\n⊢ Partr...
[ 504, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 502, 1 ]
Mathlib/Data/Nat/Factorization/PrimePow.lean
IsPrimePow.exists_ord_compl_eq_one
[ { "state_after": "case inl\nR : Type ?u.4264\ninst✝ : CommMonoidWithZero R\nn p : R\nk : ℕ\nh : IsPrimePow 0\n⊢ ∃ p, Nat.Prime p ∧ 0 / p ^ ↑(Nat.factorization 0) p = 1\n\ncase inr\nR : Type ?u.4264\ninst✝ : CommMonoidWithZero R\nn✝ p : R\nk n : ℕ\nh : IsPrimePow n\nhn0 : n ≠ 0\n⊢ ∃ p, Nat.Prime p ∧ n / p ^ ↑(Na...
[ 77, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]
Mathlib/Data/SetLike/Basic.lean
SetLike.ext
[]
[ 155, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 154, 1 ]
Mathlib/Topology/Algebra/Order/Compact.lean
IsCompact.exists_sSup_image_eq_and_ge
[]
[ 216, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/Data/Nat/ModEq.lean
Nat.chineseRemainder_lt_mul
[]
[ 378, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 376, 1 ]
Mathlib/Data/Set/List.lean
Set.range_list_getI
[]
[ 67, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 66, 1 ]
Mathlib/Combinatorics/Young/YoungDiagram.lean
YoungDiagram.mk_mem_row_iff
[ { "state_after": "no goals", "state_before": "μ : YoungDiagram\ni j : ℕ\n⊢ (i, j) ∈ row μ i ↔ (i, j) ∈ μ", "tactic": "simp [row]" } ]
[ 293, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 293, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Ordinal.induction
[]
[ 581, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/Data/List/Basic.lean
List.nthLe_zero
[ { "state_after": "case nil\nι : Type ?u.87426\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\ninst✝ : Inhabited α\nh : 0 < length []\n⊢ nthLe [] 0 h = head! []\n\ncase cons\nι : Type ?u.87426\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\ninst✝ : Inhabited α\nhead✝ : α\ntail✝ ...
[ 1327, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1324, 1 ]
Mathlib/NumberTheory/RamificationInertia.lean
Ideal.Factors.piQuotientEquiv_mk
[]
[ 780, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 779, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.tail_eq_drop
[]
[ 63, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.RightInverse.leftInverse
[]
[ 358, 4 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 357, 1 ]
Mathlib/CategoryTheory/Limits/Constructions/Over/Products.lean
CategoryTheory.Over.ConstructProducts.over_binaryProduct_of_pullback
[]
[ 151, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Data/Finsupp/Multiset.lean
Finsupp.lt_wf
[]
[ 233, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 232, 1 ]
Mathlib/Combinatorics/SimpleGraph/Subgraph.lean
SimpleGraph.Subgraph.deleteEdges_adj
[]
[ 1043, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1042, 1 ]
Mathlib/Logic/Basic.lean
cast_cast
[]
[ 525, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 523, 9 ]
Mathlib/Topology/Sequences.lean
IsSeqClosed.isClosed
[]
[ 197, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 195, 11 ]
Mathlib/Combinatorics/Additive/Behrend.lean
Behrend.div_lt_floor
[ { "state_after": "α : Type ?u.696433\nβ : Type ?u.696436\nn d k N : ℕ\nx✝ : Fin n → ℕ\nx : ℝ\nhx : 2 / (1 - 2 / exp 1) ≤ x\n⊢ x / exp 1 ≤ x / 2 - 1", "state_before": "α : Type ?u.696433\nβ : Type ?u.696436\nn d k N : ℕ\nx✝ : Fin n → ℕ\nx : ℝ\nhx : 2 / (1 - 2 / exp 1) ≤ x\n⊢ x / exp 1 < ↑⌊x / 2⌋₊", "tact...
[ 358, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 350, 1 ]
Mathlib/Data/List/Intervals.lean
List.Ico.nodup
[ { "state_after": "n m : ℕ\n⊢ Nodup (range' n (m - n))", "state_before": "n m : ℕ\n⊢ Nodup (Ico n m)", "tactic": "dsimp [Ico]" }, { "state_after": "no goals", "state_before": "n m : ℕ\n⊢ Nodup (range' n (m - n))", "tactic": "simp only [nodup_range']" } ]
[ 61, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/RingTheory/ClassGroup.lean
ClassGroup.mk_eq_one_of_coe_ideal
[ { "state_after": "R : Type u_1\nK : Type ?u.554196\nL : Type ?u.554199\ninst✝¹⁰ : CommRing R\ninst✝⁹ : Field K\ninst✝⁸ : Field L\ninst✝⁷ : DecidableEq L\ninst✝⁶ : Algebra R K\ninst✝⁵ : IsFractionRing R K\ninst✝⁴ : Algebra K L\ninst✝³ : FiniteDimensional K L\ninst✝² : Algebra R L\ninst✝¹ : IsScalarTower R K L\ni...
[ 160, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/Data/Nat/Pow.lean
Nat.pow_mod
[ { "state_after": "case zero\na n : ℕ\n⊢ a ^ zero % n = (a % n) ^ zero % n\n\ncase succ\na n b : ℕ\nih : a ^ b % n = (a % n) ^ b % n\n⊢ a ^ succ b % n = (a % n) ^ succ b % n", "state_before": "a b n : ℕ\n⊢ a ^ b % n = (a % n) ^ b % n", "tactic": "induction' b with b ih" }, { "state_after": "case ...
[ 163, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.eval₂Hom_eq_zero
[ { "state_after": "R : Type u\nS₁ : Type v\nS₂ : Type w\nS₃ : Type x\nσ : Type u_1\na a' a₁ a₂ : R\ne : ℕ\nn m : σ\ns : σ →₀ ℕ\ninst✝³ : CommSemiring R\ninst✝² : CommSemiring S₁\np q : MvPolynomial σ R\ninst✝¹ : Algebra R S₁\ninst✝ : CommSemiring S₂\nf✝ : σ → S₁\nf : R →+* S₂\ng : σ → S₂\nφ : MvPolynomial σ R\nh...
[ 1545, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1538, 1 ]
Mathlib/MeasureTheory/Measure/GiryMonad.lean
MeasureTheory.Measure.join_map_map
[ { "state_after": "case h\nα : Type u_1\nβ : Type u_2\ninst✝¹ : MeasurableSpace α\ninst✝ : MeasurableSpace β\nf : α → β\nhf : Measurable f\nμ : Measure (Measure α)\ns : Set β\nhs : MeasurableSet s\n⊢ ↑↑(join (map (map f) μ)) s = ↑↑(map f (join μ)) s", "state_before": "α : Type u_1\nβ : Type u_2\ninst✝¹ : Mea...
[ 219, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Basis.dual_rank_eq
[ { "state_after": "no goals", "state_before": "R : Type u\nM : Type v\nK : Type u₁\nV : Type u₂\nι : Type w\ninst✝³ : CommRing K\ninst✝² : AddCommGroup V\ninst✝¹ : Module K V\ninst✝ : _root_.Finite ι\nb : Basis ι K V\n⊢ lift (Module.rank K V) = Module.rank K (Dual K V)", "tactic": "classical\n cases non...
[ 526, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 519, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.ae_restrict_uIoc_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.566270\nγ : Type ?u.566273\nδ : Type ?u.566276\nι : Type ?u.566279\nR : Type ?u.566282\nR' : Type ?u.566285\nm0 : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns s' t : Set...
[ 2794, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2791, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.size_erase_of_mem
[ { "state_after": "no goals", "state_before": "case nil\nα : Type u_1\ninst✝¹ : Preorder α\ninst✝ : DecidableRel fun x x_1 => x ≤ x_1\nx : α\na₁ : WithBot α\na₂ : WithTop α\nh : Valid' a₁ nil a₂\nh_mem : x ∈ nil\n⊢ size (erase x nil) = size nil - 1", "tactic": "contradiction" }, { "state_after": ...
[ 1673, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1639, 1 ]
Mathlib/Algebra/Quaternion.lean
QuaternionAlgebra.im_idem
[]
[ 135, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Analysis/Convex/Segment.lean
segment_translate_preimage
[]
[ 275, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 273, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Types.lean
CategoryTheory.Limits.Types.pullbackIsoPullback_hom_snd
[]
[ 594, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 592, 1 ]
Mathlib/Data/Set/Image.lean
Set.preimage_inl_image_inr
[ { "state_after": "case h\nα : Type u_2\nβ : Type u_1\nγ : Type ?u.83955\nι : Sort ?u.83958\nι' : Sort ?u.83961\nf : ι → α\ns✝ t : Set α\ns : Set β\nx✝ : α\n⊢ x✝ ∈ Sum.inl ⁻¹' (Sum.inr '' s) ↔ x✝ ∈ ∅", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.83955\nι : Sort ?u.83958\nι' : Sort ?u.83961\nf : ...
[ 920, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 918, 1 ]
Mathlib/Analysis/Convex/Strict.lean
StrictConvex.add
[ { "state_after": "case intro.intro.intro.intro.intro.intro.intro.intro\n𝕜 : Type u_1\n𝕝 : Type ?u.78535\nE : Type u_2\nF : Type ?u.78541\nβ : Type ?u.78544\ninst✝⁷ : OrderedSemiring 𝕜\ninst✝⁶ : TopologicalSpace E\ninst✝⁵ : TopologicalSpace F\ninst✝⁴ : AddCommGroup E\ninst✝³ : AddCommGroup F\ninst✝² : Module ...
[ 259, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 247, 1 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.leadingCoeff_X_add_C
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b c d : R\nn m : ℕ\ninst✝¹ : Semiring R\ninst✝ : Semiring S\nr : S\n⊢ leadingCoeff (X + ↑C r) = 1", "tactic": "rw [← pow_one (X : S[X]), leadingCoeff_X_pow_add_C zero_lt_one]" } ]
[ 1433, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1432, 1 ]
Mathlib/Algebra/Lie/Nilpotent.lean
Function.Surjective.lieAlgebra_isNilpotent
[ { "state_after": "case mk.intro\nR : Type u\nL : Type v\nL' : Type w\ninst✝⁴ : CommRing R\ninst✝³ : LieRing L\ninst✝² : LieAlgebra R L\ninst✝¹ : LieRing L'\ninst✝ : LieAlgebra R L'\nh₁ : LieAlgebra.IsNilpotent R L\nf : L →ₗ⁅R⁆ L'\nh₂ : Surjective ↑f\nk : ℕ\nhk : lowerCentralSeries R L L k = ⊥\n⊢ ∃ k, lowerCentr...
[ 636, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 630, 1 ]
Mathlib/Data/Nat/Choose/Bounds.lean
Nat.choose_le_pow
[ { "state_after": "α : Type u_1\ninst✝ : LinearOrderedSemifield α\nr n : ℕ\n⊢ ↑r ! * ↑(choose n r) ≤ ↑(n ^ r)\n\nα : Type u_1\ninst✝ : LinearOrderedSemifield α\nr n : ℕ\n⊢ 0 < ↑r !", "state_before": "α : Type u_1\ninst✝ : LinearOrderedSemifield α\nr n : ℕ\n⊢ ↑(choose n r) ≤ ↑(n ^ r) / ↑r !", "tactic": "r...
[ 39, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 34, 1 ]
Mathlib/Order/Lattice.lean
Prod.snd_inf
[]
[ 1284, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1283, 1 ]
Mathlib/FieldTheory/Adjoin.lean
IntermediateField.rank_eq_one_iff
[ { "state_after": "no goals", "state_before": "F : Type u_2\ninst✝² : Field F\nE : Type u_1\ninst✝¹ : Field E\ninst✝ : Algebra F E\nα : E\nS : Set E\nK L : IntermediateField F E\n⊢ Module.rank F { x // x ∈ K } = 1 ↔ K = ⊥", "tactic": "rw [← toSubalgebra_eq_iff, ← rank_eq_rank_subalgebra, Subalgebra.rank_...
[ 714, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 712, 1 ]
Mathlib/Topology/Semicontinuous.lean
lowerSemicontinuousOn_biSup
[]
[ 609, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 606, 1 ]
Mathlib/CategoryTheory/Limits/ExactFunctor.lean
CategoryTheory.ExactFunctor.forget_map
[]
[ 201, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Std/Logic.lean
forall₅_congr
[]
[ 410, 46 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 407, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.heq_ext_iff
[ { "state_after": "n m k : ℕ\ni j : Fin k\n⊢ HEq i j ↔ ↑i = ↑j", "state_before": "n m k l : ℕ\nh : k = l\ni : Fin k\nj : Fin l\n⊢ HEq i j ↔ ↑i = ↑j", "tactic": "subst h" }, { "state_after": "no goals", "state_before": "n m k : ℕ\ni j : Fin k\n⊢ HEq i j ↔ ↑i = ↑j", "tactic": "simp [val_eq_...
[ 243, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 11 ]
Mathlib/Data/Set/Intervals/Pi.lean
Set.image_mulSingle_Icc
[]
[ 200, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Data/Nat/Log.lean
Nat.log_monotone
[ { "state_after": "b n : ℕ\n⊢ log b n ≤ log b (n + 1)", "state_before": "b : ℕ\n⊢ Monotone (log b)", "tactic": "refine' monotone_nat_of_le_succ fun n => _" }, { "state_after": "case inl\nb n : ℕ\nhb : b ≤ 1\n⊢ log b n ≤ log b (n + 1)\n\ncase inr\nb n : ℕ\nhb : 1 < b\n⊢ log b n ≤ log b (n + 1)", ...
[ 189, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 184, 1 ]
Mathlib/SetTheory/Ordinal/Principal.lean
Ordinal.mul_omega
[]
[ 348, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 347, 1 ]
Mathlib/LinearAlgebra/Finsupp.lean
Finsupp.finsuppProdLEquiv_apply
[ { "state_after": "no goals", "state_before": "α✝ : Type ?u.639667\nM✝ : Type ?u.639670\nN : Type ?u.639673\nP : Type ?u.639676\nR✝ : Type ?u.639679\nS : Type ?u.639682\ninst✝¹⁰ : Semiring R✝\ninst✝⁹ : Semiring S\ninst✝⁸ : AddCommMonoid M✝\ninst✝⁷ : Module R✝ M✝\ninst✝⁶ : AddCommMonoid N\ninst✝⁵ : Module R✝ ...
[ 1019, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1017, 1 ]
Mathlib/Algebra/Order/Monoid/Canonical/Defs.lean
NeZero.of_gt
[]
[ 317, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/GroupTheory/Complement.lean
Subgroup.exists_right_transversal
[ { "state_after": "G : Type u_1\ninst✝ : Group G\nH K : Subgroup G\nS T : Set G\ng : G\nq : Quotient (QuotientGroup.rightRel H)\n⊢ Quotient.mk'' (Function.update Quotient.out' (Quotient.mk'' g) g q) = q", "state_before": "G : Type u_1\ninst✝ : Group G\nH K : Subgroup G\nS T : Set G\ng : G\n⊢ ∃ S, S ∈ rightTr...
[ 335, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/LinearAlgebra/Basic.lean
LinearEquiv.map_dfinsupp_sumAddHom
[]
[ 1958, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1955, 1 ]
Mathlib/Analysis/NormedSpace/Exponential.lean
expSeries_apply_zero
[ { "state_after": "𝕂 : Type u_2\n𝔸 : Type u_1\ninst✝⁴ : Field 𝕂\ninst✝³ : Ring 𝔸\ninst✝² : Algebra 𝕂 𝔸\ninst✝¹ : TopologicalSpace 𝔸\ninst✝ : TopologicalRing 𝔸\nn : ℕ\n⊢ (↑n !)⁻¹ • 0 ^ n = Pi.single 0 1 n", "state_before": "𝕂 : Type u_2\n𝔸 : Type u_1\ninst✝⁴ : Field 𝕂\ninst✝³ : Ring 𝔸\ninst✝² : Al...
[ 120, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Data/Nat/Order/Lemmas.lean
Nat.dvd_iff_dvd_dvd
[]
[ 176, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 175, 1 ]
Mathlib/Data/Int/Parity.lean
Int.even_sub
[ { "state_after": "no goals", "state_before": "m n : ℤ\n⊢ Even (m - n) ↔ (Even m ↔ Even n)", "tactic": "simp [sub_eq_add_neg, parity_simps]" } ]
[ 127, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 126, 1 ]
Mathlib/Logic/Function/Conjugate.lean
Function.Commute.comp_left
[]
[ 119, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 118, 1 ]