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start
list
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.iUnion_eq_empty
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nI J J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ι → ℝ\n⊢ Prepartition.iUnion π₁ = ∅ ↔ π₁ = ⊥", "tactic": "simp [← injective_boxes.eq_iff, Finset.ext_iff, Prepartition.iUnion, imp_false]" } ]
[ 239, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Data/Finset/Image.lean
Finset.image_val_of_injOn
[]
[ 408, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 407, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.smul_finset_neg
[ { "state_after": "no goals", "state_before": "F : Type ?u.937268\nα : Type u_2\nβ : Type u_1\nγ : Type ?u.937277\ninst✝³ : Monoid α\ninst✝² : AddGroup β\ninst✝¹ : DistribMulAction α β\ninst✝ : DecidableEq β\na : α\ns : Finset α\nt : Finset β\n⊢ a • -t = -(a • t)", "tactic": "simp only [← image_smul, ← i...
[ 2145, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2144, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.mulIndicator_mulSupport
[]
[ 178, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 177, 1 ]
Mathlib/SetTheory/Ordinal/FixedPoint.lean
Ordinal.nfpBFamily_eq_self
[]
[ 340, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/LinearAlgebra/Matrix/Basis.lean
Basis.toMatrix_reindex'
[ { "state_after": "case a.h\nι : Type u_1\nι' : Type u_2\nκ : Type ?u.604344\nκ' : Type ?u.604347\nR : Type u_3\nM : Type u_4\ninst✝¹³ : CommSemiring R\ninst✝¹² : AddCommMonoid M\ninst✝¹¹ : Module R M\nR₂ : Type ?u.604540\nM₂ : Type ?u.604543\ninst✝¹⁰ : CommRing R₂\ninst✝⁹ : AddCommGroup M₂\ninst✝⁸ : Module R₂ M...
[ 239, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.comp_smulₛₗ
[ { "state_after": "case h\nR : Type u_5\nR₂ : Type u_1\nR₃ : Type u_3\nS : Type ?u.1057088\nS₃ : Type ?u.1057091\ninst✝³⁶ : Semiring R\ninst✝³⁵ : Semiring R₂\ninst✝³⁴ : Semiring R₃\ninst✝³³ : Monoid S\ninst✝³² : Monoid S₃\nM : Type u_6\ninst✝³¹ : TopologicalSpace M\ninst✝³⁰ : AddCommMonoid M\ninst✝²⁹ : Module R ...
[ 1530, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1525, 1 ]
Mathlib/Data/Nat/Fib.lean
Nat.fib_two_mul
[ { "state_after": "case zero\n\n⊢ fib (2 * zero) = fib zero * (2 * fib (zero + 1) - fib zero)\n\ncase succ\nn✝ : ℕ\n⊢ fib (2 * succ n✝) = fib (succ n✝) * (2 * fib (succ n✝ + 1) - fib (succ n✝))", "state_before": "n : ℕ\n⊢ fib (2 * n) = fib n * (2 * fib (n + 1) - fib n)", "tactic": "cases n" }, { ...
[ 165, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 160, 1 ]
Mathlib/GroupTheory/Complement.lean
Subgroup.isComplement'_iff_card_mul_and_disjoint
[]
[ 544, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 542, 1 ]
Mathlib/Order/Lattice.lean
Antitone.max
[]
[ 1178, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1175, 11 ]
Mathlib/RingTheory/Polynomial/Basic.lean
Polynomial.Monic.geom_sum
[ { "state_after": "R : Type u\nS : Type ?u.54680\ninst✝ : Semiring R\nP : R[X]\nhP : Monic P\nhdeg : 0 < natDegree P\nn : ℕ\nhn : n ≠ 0\n✝ : Nontrivial R\n⊢ Monic (∑ i in range n, P ^ i)", "state_before": "R : Type u\nS : Type ?u.54680\ninst✝ : Semiring R\nP : R[X]\nhP : Monic P\nhdeg : 0 < natDegree P\nn : ...
[ 244, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Data/Real/Basic.lean
Real.cauchy_add
[ { "state_after": "no goals", "state_before": "x y : ℝ\na b : Cauchy abs\n⊢ (Real.add { cauchy := a } { cauchy := b }).cauchy = { cauchy := a }.cauchy + { cauchy := b }.cauchy", "tactic": "rw [add_def]" } ]
[ 153, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.map₂_div
[]
[ 435, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 434, 1 ]
Mathlib/Algebra/BigOperators/Finsupp.lean
Finset.sum_apply'
[]
[ 626, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/Order/SupIndep.lean
CompleteLattice.Independent.injective
[ { "state_after": "α : Type u_2\nβ : Type ?u.53351\nι : Type u_1\nι' : Type ?u.53357\ninst✝ : CompleteLattice α\ns : Set α\nhs : SetIndependent s\nt : ι → α\nht✝ ht : Independent t\nh_ne_bot : ∀ (i : ι), t i ≠ ⊥\ni j : ι\nh : t i = t j\n⊢ i = j", "state_before": "α : Type u_2\nβ : Type ?u.53351\nι : Type u_1...
[ 322, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 312, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
Class.sUnion_empty
[ { "state_after": "case a\nz✝ : ZFSet\n⊢ (⋃₀ ∅) z✝ ↔ ∅ z✝", "state_before": "⊢ ⋃₀ ∅ = ∅", "tactic": "ext" }, { "state_after": "no goals", "state_before": "case a\nz✝ : ZFSet\n⊢ (⋃₀ ∅) z✝ ↔ ∅ z✝", "tactic": "simp" } ]
[ 1728, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1726, 1 ]
Mathlib/Topology/UniformSpace/Cauchy.lean
Filter.Tendsto.cauchySeq
[]
[ 190, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/Data/Polynomial/Degree/TrailingDegree.lean
Polynomial.natTrailingDegree_monomial_le
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b : R\nn m : ℕ\ninst✝ : Semiring R\np q r : R[X]\nha : a = 0\n⊢ natTrailingDegree (↑(monomial n) a) ≤ n", "tactic": "simp [ha]" } ]
[ 213, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/Order/CompleteLattice.lean
Prod.iSup_mk
[]
[ 1888, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1886, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Real.sqrtTwoAddSeries_lt_two
[ { "state_after": "no goals", "state_before": "x : ℝ\n⊢ sqrtTwoAddSeries 0 0 < 2", "tactic": "norm_num" }, { "state_after": "x : ℝ\nn : ℕ\n⊢ sqrtTwoAddSeries 0 (n + 1) < sqrt (2 ^ 2)", "state_before": "x : ℝ\nn : ℕ\n⊢ sqrtTwoAddSeries 0 (n + 1) < 2", "tactic": "refine' lt_of_lt_of_le _ (s...
[ 708, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 701, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.coeff_map
[ { "state_after": "R : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n✝ : ℕ\ninst✝¹ : Semiring R\np q r : R[X]\ninst✝ : Semiring S\nf : R →+* S\nn : ℕ\n⊢ ∑ n_1 in support p, coeff (↑(RingHom.comp C f) (coeff p n_1) * X ^ n_1) n = ↑f (coeff p n)", "state_before": "R : Type u\nS : Type v\nT : Type w\n...
[ 793, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 787, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
Int.norm_eq_abs
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.1111123\n𝕜 : Type ?u.1111126\nα : Type ?u.1111129\nι : Type ?u.1111132\nκ : Type ?u.1111135\nE : Type ?u.1111138\nF : Type ?u.1111141\nG : Type ?u.1111144\ninst✝¹ : SeminormedCommGroup E\ninst✝ : SeminormedCommGroup F\na a₁ a₂ b b₁ b₂ : E\nr r₁ r₂ ...
[ 1791, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1790, 1 ]
Mathlib/Algebra/GroupPower/Basic.lean
nsmul_zero
[ { "state_after": "case zero\nα : Type ?u.8662\nM : Type u\nN : Type v\nG : Type w\nH : Type x\nA : Type y\nB : Type z\nR : Type u₁\nS : Type u₂\ninst✝¹ : Monoid M\ninst✝ : AddMonoid A\n⊢ Nat.zero • 0 = 0\n\ncase succ\nα : Type ?u.8662\nM : Type u\nN : Type v\nG : Type w\nH : Type x\nA : Type y\nB : Type z\nR : ...
[ 78, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Std/Classes/LawfulMonad.lean
SatisfiesM.pure
[ { "state_after": "no goals", "state_before": "m : Type u_1 → Type u_2\nα✝ : Type u_1\np : α✝ → Prop\na : α✝\ninst✝¹ : Applicative m\ninst✝ : LawfulApplicative m\nh : p a\n⊢ Subtype.val <$> pure { val := a, property := h } = pure a", "tactic": "simp" } ]
[ 121, 73 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 120, 11 ]
Mathlib/MeasureTheory/Function/LpSeminorm.lean
MeasureTheory.snorm_smul_le_snorm_top_mul_snorm
[]
[ 1503, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1500, 1 ]
Mathlib/Control/Traversable/Equiv.lean
Equiv.comp_traverse
[ { "state_after": "t t' : Type u → Type u\neqv : (α : Type u) → t α ≃ t' α\ninst✝⁵ : Traversable t\ninst✝⁴ : IsLawfulTraversable t\nF G : Type u → Type u\ninst✝³ : Applicative F\ninst✝² : Applicative G\ninst✝¹ : LawfulApplicative F\ninst✝ : LawfulApplicative G\nη : ApplicativeTransformation F G\nα β γ : Type u\n...
[ 150, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 147, 11 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullbackConeOfLeftIso_x
[]
[ 1617, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1617, 1 ]
Mathlib/GroupTheory/FreeProduct.lean
FreeProduct.NeWord.inv_head
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nM : ι → Type ?u.649174\ninst✝² : (i : ι) → Monoid (M i)\nN : Type ?u.649185\ninst✝¹ : Monoid N\nG : ι → Type u_2\ninst✝ : (i : ι) → Group (G i)\ni j : ι\nw : NeWord G i j\n⊢ head (inv w) = (last w)⁻¹", "tactic": "induction w <;> simp [inv, *]" ...
[ 685, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 684, 1 ]
Mathlib/CategoryTheory/Endofunctor/Algebra.lean
CategoryTheory.Endofunctor.Coalgebra.iso_of_iso
[ { "state_after": "C : Type u\ninst✝¹ : Category C\nF : C ⥤ C\nV V₀ V₁ V₂ : Coalgebra F\nf✝ : V₀ ⟶ V₁\ng : V₁ ⟶ V₂\nf : V₀ ⟶ V₁\ninst✝ : IsIso f.f\n⊢ V₀.str ≫ F.map f.f ≫ F.map (inv f.f) = V₀.str", "state_before": "C : Type u\ninst✝¹ : Category C\nF : C ⥤ C\nV V₀ V₁ V₂ : Coalgebra F\nf✝ : V₀ ⟶ V₁\ng : V₁ ⟶ V...
[ 378, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 374, 1 ]
Mathlib/Topology/Algebra/Nonarchimedean/AdicTopology.lean
Ideal.hasBasis_nhds_zero_adic
[ { "state_after": "R : Type u_1\ninst✝ : CommRing R\nI : Ideal R\nU : Set R\n⊢ U ∈ 𝓝 0 ↔ ∃ i, True ∧ ↑(I ^ i) ⊆ U", "state_before": "R : Type u_1\ninst✝ : CommRing R\nI : Ideal R\n⊢ ∀ (t : Set R), t ∈ 𝓝 0 ↔ ∃ i, True ∧ ↑(I ^ i) ⊆ t", "tactic": "intro U" }, { "state_after": "R : Type u_1\ninst✝ ...
[ 107, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
norm_le_mul_norm_add
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.86827\n𝕜 : Type ?u.86830\nα : Type ?u.86833\nι : Type ?u.86836\nκ : Type ?u.86839\nE : Type u_1\nF : Type ?u.86845\nG : Type ?u.86848\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na a₁ a₂ b b₁ b₂ : E...
[ 601, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 598, 1 ]
Mathlib/Logic/Encodable/Basic.lean
Encodable.decode₂_ne_none_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.7543\ninst✝ : Encodable α\nn : ℕ\n⊢ decode₂ α n ≠ none ↔ n ∈ Set.range encode", "tactic": "simp_rw [Set.range, Set.mem_setOf_eq, Ne.def, Option.eq_none_iff_forall_not_mem,\n Encodable.mem_decode₂, not_forall, not_not]" } ]
[ 217, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/MeasureTheory/Function/ConvergenceInMeasure.lean
MeasureTheory.tendstoInMeasure_of_tendsto_ae_of_stronglyMeasurable
[ { "state_after": "α : Type u_1\nι : Type ?u.3660\nE : Type u_2\nm : MeasurableSpace α\nμ : Measure α\ninst✝¹ : MetricSpace E\nf : ℕ → α → E\ng : α → E\ninst✝ : IsFiniteMeasure μ\nhf : ∀ (n : ℕ), StronglyMeasurable (f n)\nhg : StronglyMeasurable g\nhfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n => f n x) atTop (𝓝 (g x))\n...
[ 128, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/Algebra/Hom/Equiv/Basic.lean
MulEquiv.ext_iff
[]
[ 487, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 486, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.nat_lt_lift_iff
[ { "state_after": "no goals", "state_before": "α β : Type u\nn : ℕ\na : Cardinal\n⊢ ↑n < lift a ↔ ↑n < a", "tactic": "rw [← lift_natCast.{v,u}, lift_lt]" } ]
[ 1313, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1312, 1 ]
Mathlib/Data/Polynomial/Module.lean
PolynomialModule.eval_map'
[]
[ 318, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/Data/Set/Image.lean
Set.prod_quotient_preimage_eq_image
[]
[ 576, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 567, 1 ]
Mathlib/GroupTheory/Perm/Sign.lean
Equiv.Perm.sign_swap
[]
[ 579, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 578, 1 ]
Mathlib/NumberTheory/ArithmeticFunction.lean
Nat.ArithmeticFunction.isMultiplicative_sigma
[ { "state_after": "R : Type ?u.546111\nk : ℕ\n⊢ IsMultiplicative (ζ * pow k)", "state_before": "R : Type ?u.546111\nk : ℕ\n⊢ IsMultiplicative (σ k)", "tactic": "rw [← zeta_mul_pow_eq_sigma]" }, { "state_after": "no goals", "state_before": "R : Type ?u.546111\nk : ℕ\n⊢ IsMultiplicative (ζ * po...
[ 841, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 839, 1 ]
Mathlib/Algebra/BigOperators/Finprod.lean
finprod_eq_prod_of_mulSupport_toFinset_subset
[]
[ 399, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 397, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
UniformContinuous.inf_dom_left
[]
[ 1386, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1384, 1 ]
Mathlib/MeasureTheory/Integral/IntegralEqImproper.lean
MeasureTheory.AECover.superset
[]
[ 119, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 117, 1 ]
Mathlib/Order/Bounds/Basic.lean
upperBounds_Icc
[]
[ 696, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 695, 1 ]
Mathlib/Order/Disjoint.lean
eq_bot_of_isCompl_top
[]
[ 638, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 637, 1 ]
Mathlib/Topology/FiberBundle/Constructions.lean
Trivialization.Prod.left_inv
[ { "state_after": "case mk.mk\nB : Type u_1\ninst✝⁶ : TopologicalSpace B\nF₁ : Type u_4\ninst✝⁵ : TopologicalSpace F₁\nE₁ : B → Type u_3\ninst✝⁴ : TopologicalSpace (TotalSpace E₁)\nF₂ : Type u_5\ninst✝³ : TopologicalSpace F₂\nE₂ : B → Type u_2\ninst✝² : TopologicalSpace (TotalSpace E₂)\ne₁ : Trivialization F₁ To...
[ 205, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/Data/Nat/Factorization/Basic.lean
Nat.exists_factorization_lt_of_lt
[ { "state_after": "a b : ℕ\nha : a ≠ 0\nhab : a < b\nhb : b ≠ 0\n⊢ ∃ p, ↑(factorization a) p < ↑(factorization b) p", "state_before": "a b : ℕ\nha : a ≠ 0\nhab : a < b\n⊢ ∃ p, ↑(factorization a) p < ↑(factorization b) p", "tactic": "have hb : b ≠ 0 := (ha.bot_lt.trans hab).ne'" }, { "state_after"...
[ 512, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 505, 1 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
IsUnit.stronglyMeasurable_const_smul_iff
[]
[ 501, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 497, 8 ]
Mathlib/Topology/ContinuousFunction/Compact.lean
ContinuousMap.norm_restrict_mono_set
[]
[ 264, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 262, 1 ]
Std/Data/List/Basic.lean
List.splitOnP_eq_splitOnPTR
[ { "state_after": "case h.h.h\nα : Type u_1\nP : α → Bool\nl : List α\n⊢ splitOnP P l = splitOnPTR P l", "state_before": "⊢ @splitOnP = @splitOnPTR", "tactic": "funext α P l" }, { "state_after": "case h.h.h\nα : Type u_1\nP : α → Bool\nl : List α\n⊢ splitOnP P l = splitOnPTR.go P l #[] #[]", ...
[ 499, 43 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 494, 10 ]
Mathlib/Topology/Algebra/Ring/Basic.lean
TopologicalRing.of_addGroup_of_nhds_zero
[ { "state_after": "no goals", "state_before": "α : Type ?u.17126\nR : Type u_1\ninst✝² : NonUnitalNonAssocRing R\ninst✝¹ : TopologicalSpace R\ninst✝ : TopologicalAddGroup R\nhmul : Tendsto (uncurry fun x x_1 => x * x_1) (𝓝 0 ×ˢ 𝓝 0) (𝓝 0)\nhmul_left : ∀ (x₀ : R), Tendsto (fun x => x₀ * x) (𝓝 0) (𝓝 0)\nh...
[ 208, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 202, 1 ]
Mathlib/Topology/Algebra/Group/Basic.lean
TopologicalGroup.ext
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nG✝ : Type w\nH : Type x\ninst✝⁴ : TopologicalSpace G✝\ninst✝³ : Group G✝\ninst✝² : TopologicalGroup G✝\ninst✝¹ : TopologicalSpace α\nf : α → G✝\ns : Set α\nx✝ : α\nG : Type u_1\ninst✝ : Group G\nt t' : TopologicalSpace G\ntg : Topological...
[ 894, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 890, 1 ]
Mathlib/Data/Multiset/LocallyFinite.lean
Multiset.Ioo_cons_left
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝¹ : PartialOrder α\ninst✝ : LocallyFiniteOrder α\na b : α\nh : a < b\n⊢ a ::ₘ Ioo a b = Ico a b", "tactic": "classical\n rw [Ioo, ← Finset.insert_val_of_not_mem left_not_mem_Ioo, Finset.Ioo_insert_left h]\n rfl" }, { "state_after...
[ 206, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 203, 1 ]
Mathlib/RingTheory/Multiplicity.lean
multiplicity.multiplicity_eq_zero
[ { "state_after": "α : Type u_1\ninst✝¹ : Monoid α\ninst✝ : DecidableRel fun x x_1 => x ∣ x_1\na b : α\n⊢ a ^ 0 ∣ b ∧ ¬a ^ (0 + 1) ∣ b ↔ ¬a ∣ b", "state_before": "α : Type u_1\ninst✝¹ : Monoid α\ninst✝ : DecidableRel fun x x_1 => x ∣ x_1\na b : α\n⊢ multiplicity a b = 0 ↔ ¬a ∣ b", "tactic": "rw [← Nat.ca...
[ 206, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/SetTheory/Ordinal/NaturalOps.lean
Ordinal.nadd_lt_nadd_iff_right
[]
[ 423, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 422, 1 ]
Mathlib/Topology/Instances/TrivSqZeroExt.lean
TrivSqZeroExt.hasSum_snd
[]
[ 166, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 164, 1 ]
Mathlib/Analysis/Asymptotics/Theta.lean
Asymptotics.IsTheta.trans_isBigO
[]
[ 102, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 100, 1 ]
Mathlib/Topology/UniformSpace/CompactConvergence.lean
ContinuousMap.hasBasis_compactConvergenceUniformity_aux
[ { "state_after": "α : Type u₁\nβ : Type u₂\ninst✝¹ : TopologicalSpace α\ninst✝ : UniformSpace β\nK : Set α\nV : Set (β × β)\nf : C(α, β)\n⊢ DirectedOn ((fun KV => {fg | ∀ (x : α), x ∈ KV.fst → (↑fg.fst x, ↑fg.snd x) ∈ KV.snd}) ⁻¹'o fun x x_1 => x ≥ x_1)\n {KV | IsCompact KV.fst ∧ KV.snd ∈ 𝓤 β}", "state_...
[ 307, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 298, 1 ]
Mathlib/Topology/Basic.lean
DenseRange.nonempty
[]
[ 1858, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1857, 1 ]
Mathlib/RingTheory/Polynomial/Basic.lean
Ideal.is_fg_degreeLE
[]
[ 736, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 732, 1 ]
Mathlib/FieldTheory/RatFunc.lean
RatFunc.num_div_dvd
[ { "state_after": "K : Type u\ninst✝ : Field K\np q : K[X]\nhq : q ≠ 0\n⊢ p / gcd p q ∣ p\n\nK : Type u\ninst✝ : Field K\np q : K[X]\nhq : q ≠ 0\n⊢ (leadingCoeff (q / gcd p q))⁻¹ ≠ 0", "state_before": "K : Type u\ninst✝ : Field K\np q : K[X]\nhq : q ≠ 0\n⊢ num (↑(algebraMap K[X] (RatFunc K)) p / ↑(algebraMap...
[ 1177, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1173, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.isClosed_image_coe_closedBall
[]
[ 1662, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1660, 1 ]
Mathlib/CategoryTheory/Preadditive/Basic.lean
CategoryTheory.Preadditive.hasCoequalizers_of_hasCokernels
[]
[ 444, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 442, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.bot_prod_bot
[]
[ 1572, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1571, 1 ]
Mathlib/GroupTheory/Subsemigroup/Center.lean
Set.center_eq_univ
[]
[ 134, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Topology/Order.lean
continuous_sInf_dom
[]
[ 790, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 787, 1 ]
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
Subalgebra.pow_mem
[]
[ 137, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 11 ]
Mathlib/Order/Filter/Basic.lean
Filter.mem_sSup
[]
[ 568, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 567, 1 ]
Mathlib/Data/PNat/Prime.lean
Nat.Primes.coe_pnat_nat
[]
[ 35, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 34, 1 ]
Mathlib/Data/Polynomial/EraseLead.lean
Polynomial.eraseLead_card_support'
[]
[ 126, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Data/Int/Lemmas.lean
Int.le_coe_nat_sub
[ { "state_after": "case pos\nm n : ℕ\nh : m ≥ n\n⊢ ↑m - ↑n ≤ ↑(m - n)\n\ncase neg\nm n : ℕ\nh : ¬m ≥ n\n⊢ ↑m - ↑n ≤ ↑(m - n)", "state_before": "m n : ℕ\n⊢ ↑m - ↑n ≤ ↑(m - n)", "tactic": "by_cases h : m ≥ n" }, { "state_after": "no goals", "state_before": "case pos\nm n : ℕ\nh : m ≥ n\n⊢ ↑m - ...
[ 33, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 30, 1 ]
Mathlib/Data/Int/Order/Basic.lean
Int.le_ediv_iff_mul_le
[]
[ 443, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 442, 11 ]
Mathlib/LinearAlgebra/Matrix/Trace.lean
Matrix.trace_fin_two
[]
[ 195, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 194, 1 ]
Mathlib/Algebra/Homology/HomologicalComplex.lean
HomologicalComplex.Hom.comm
[ { "state_after": "case pos\nι : Type u_1\nV : Type u\ninst✝¹ : Category V\ninst✝ : HasZeroMorphisms V\nc : ComplexShape ι\nC A B : HomologicalComplex V c\nf : Hom A B\ni j : ι\nhij : ComplexShape.Rel c i j\n⊢ HomologicalComplex.Hom.f f i ≫ d B i j = d A i j ≫ HomologicalComplex.Hom.f f j\n\ncase neg\nι : Type u...
[ 191, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/CategoryTheory/Balanced.lean
CategoryTheory.isIso_iff_mono_and_epi
[]
[ 47, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 46, 1 ]
Mathlib/Algebra/Hom/GroupAction.lean
MulActionHom.comp_id
[ { "state_after": "no goals", "state_before": "M' : Type u_1\nX : Type u_2\ninst✝²³ : SMul M' X\nY : Type u_3\ninst✝²² : SMul M' Y\nZ : Type ?u.48568\ninst✝²¹ : SMul M' Z\nM : Type ?u.48575\ninst✝²⁰ : Monoid M\nA : Type ?u.48581\ninst✝¹⁹ : AddMonoid A\ninst✝¹⁸ : DistribMulAction M A\nA' : Type ?u.48609\ninst...
[ 171, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Independent.lean
affineCombination_mem_affineSpan_pair
[ { "state_after": "k : Type u_1\nV : Type u_2\nP : Type u_3\ninst✝³ : Ring k\ninst✝² : AddCommGroup V\ninst✝¹ : Module k V\ninst✝ : AffineSpace V P\nι : Type u_4\np : ι → P\nh : AffineIndependent k p\nw w₁ w₂ : ι → k\ns : Finset ι\nx✝ : ∑ i in s, w i = 1\nhw₁ : ∑ i in s, w₁ i = 1\nhw₂ : ∑ i in s, w₂ i = 1\n⊢ (∃ ...
[ 539, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 529, 1 ]
Mathlib/LinearAlgebra/Matrix/ToLin.lean
LinearMap.toMatrixAlgEquiv_apply
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝⁹ : CommSemiring R\nl : Type ?u.2330336\nm : Type ?u.2330339\nn : Type u_3\ninst✝⁸ : Fintype n\ninst✝⁷ : Fintype m\ninst✝⁶ : DecidableEq n\nM₁ : Type u_2\nM₂ : Type ?u.2330363\ninst✝⁵ : AddCommMonoid M₁\ninst✝⁴ : AddCommMonoid M₂\ninst✝³ : Mod...
[ 748, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 746, 1 ]
Mathlib/Computability/Primrec.lean
Nat.Primrec'.cons
[ { "state_after": "no goals", "state_before": "n m : ℕ\nf : Vector ℕ n → ℕ\ng : Vector ℕ n → Vector ℕ m\nhf : Primrec' f\nhg : Vec g\ni : Fin (Nat.succ m)\n⊢ Primrec' fun v => Vector.get ((fun v => f v ::ᵥ g v) v) 0", "tactic": "simp [*]" }, { "state_after": "no goals", "state_before": "n m :...
[ 1424, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1423, 11 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.IsImage.leftInvOn_piecewise
[]
[ 570, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 567, 1 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
Metric.cthickening_eq_iInter_cthickening'
[ { "state_after": "case h₁\nι : Sort ?u.139615\nα : Type u\nβ : Type v\ninst✝ : PseudoEMetricSpace α\nδ✝ ε : ℝ\ns✝ t : Set α\nx : α\nδ : ℝ\ns : Set ℝ\nhsδ : s ⊆ Ioi δ\nhs : ∀ (ε : ℝ), δ < ε → Set.Nonempty (s ∩ Ioc δ ε)\nE : Set α\n⊢ cthickening δ E ⊆ ⋂ (ε : ℝ) (_ : ε ∈ s), cthickening ε E\n\ncase h₂\nι : Sort ?u...
[ 1310, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1297, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
measurable_of_finite
[]
[ 296, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 295, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_le_rpow_left_iff
[ { "state_after": "x y z : ℝ\nhx : 1 < x\nx_pos : 0 < x\n⊢ x ^ y ≤ x ^ z ↔ y ≤ z", "state_before": "x y z : ℝ\nhx : 1 < x\n⊢ x ^ y ≤ x ^ z ↔ y ≤ z", "tactic": "have x_pos : 0 < x := lt_trans zero_lt_one hx" }, { "state_after": "no goals", "state_before": "x y z : ℝ\nhx : 1 < x\nx_pos : 0 < x\...
[ 484, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 481, 1 ]
Mathlib/RingTheory/RootsOfUnity/Complex.lean
IsPrimitiveRoot.arg_eq_pi_iff
[]
[ 132, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.mulIndicator_iUnion_apply
[ { "state_after": "case pos\nα : Type u_3\nβ : Type ?u.157531\nι✝ : Type ?u.157534\nM✝ : Type ?u.157537\nN : Type ?u.157540\ninst✝³ : One M✝\ns✝ t : Set α\nf✝ g : α → M✝\na : α\ny : M✝\ninst✝² : Preorder M✝\nι : Sort u_1\nM : Type u_2\ninst✝¹ : CompleteLattice M\ninst✝ : One M\nh1 : ⊥ = 1\ns : ι → Set α\nf : α →...
[ 849, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 838, 1 ]
Mathlib/SetTheory/Cardinal/Cofinality.lean
Ordinal.aleph'_cof
[]
[ 726, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 725, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
NNReal.rpow_inv_rpow_self
[ { "state_after": "no goals", "state_before": "y : ℝ\nhy : y ≠ 0\nx : ℝ≥0\n⊢ (x ^ y) ^ (1 / y) = x", "tactic": "field_simp [← rpow_mul]" } ]
[ 108, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.exists_closedBall_inter_eq_singleton_of_discrete
[]
[ 1129, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1127, 1 ]
Mathlib/Data/Polynomial/FieldDivision.lean
Polynomial.rootSet_prod
[ { "state_after": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝³ : Field R\np q : R[X]\ninst✝² : CommRing S\ninst✝¹ : IsDomain S\ninst✝ : Algebra R S\nι : Type u_1\nf : ι → R[X]\ns : Finset ι\nh : Finset.prod s f ≠ 0\n⊢ ↑(Multiset.toFinset (roots (map (algebraMap R S) (Finset.prod s f)))...
[ 391, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 387, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.attach_cons
[ { "state_after": "α : Type u_1\nβ : Type ?u.143075\nγ : Type ?u.143078\na : α\nm : Multiset α\nl : List α\n⊢ List.pmap mk l (_ : ∀ (x : α), x ∈ l → (fun a_2 => a_2 ∈ a ::ₘ Quotient.mk (isSetoid α) l) x) =\n List.pmap\n (fun a_1 h =>\n { val := ↑{ val := a_1, property := h },\n property :...
[ 1577, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1571, 1 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.ofFinsupp_pow
[ { "state_after": "R : Type u\na✝ b : R\nm n✝ : ℕ\ninst✝ : Semiring R\np q : R[X]\na : AddMonoidAlgebra R ℕ\nn : ℕ\n⊢ { toFinsupp := a ^ n } = npowRec n { toFinsupp := a }", "state_before": "R : Type u\na✝ b : R\nm n✝ : ℕ\ninst✝ : Semiring R\np q : R[X]\na : AddMonoidAlgebra R ℕ\nn : ℕ\n⊢ { toFinsupp := a ^ ...
[ 198, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 194, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.left_inv'
[]
[ 171, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Order/Antichain.lean
isAntichain_insert_of_symmetric
[]
[ 115, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/Analysis/Convex/Basic.lean
convex_singleton
[]
[ 175, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 1 ]
Mathlib/Algebra/Support.lean
Function.mulSupport_comp_eq_preimage
[]
[ 223, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 221, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Type.lean
Equiv.Perm.mem_cycleType_iff
[ { "state_after": "case mp\nα : Type u_1\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nn : ℕ\nσ : Perm α\n⊢ n ∈ cycleType σ → ∃ c τ, σ = c * τ ∧ Disjoint c τ ∧ IsCycle c ∧ Finset.card (support c) = n\n\ncase mpr\nα : Type u_1\ninst✝¹ : Fintype α\ninst✝ : DecidableEq α\nn : ℕ\nσ : Perm α\n⊢ (∃ c τ, σ = c * τ ∧ Disj...
[ 304, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 292, 1 ]
Mathlib/Combinatorics/Colex.lean
Colex.le_def
[]
[ 101, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/MeasureTheory/Measure/Haar/NormedSpace.lean
MeasureTheory.Measure.integral_comp_mul_left
[ { "state_after": "no goals", "state_before": "E : Type ?u.85697\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedSpace ℝ E\ninst✝⁶ : MeasurableSpace E\ninst✝⁵ : BorelSpace E\ninst✝⁴ : FiniteDimensional ℝ E\nμ : Measure E\ninst✝³ : IsAddHaarMeasure μ\nF : Type u_1\ninst✝² : NormedAddCommGroup F\ninst✝¹ : Norme...
[ 113, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/FieldTheory/Adjoin.lean
IntermediateField.minpoly_gen
[ { "state_after": "F : Type u_1\ninst✝⁴ : Field F\nE : Type u_2\ninst✝³ : Field E\ninst✝² : Algebra F E\nα✝ : E\nK : Type ?u.813260\ninst✝¹ : Field K\ninst✝ : Algebra F K\nα : E\nh : IsIntegral F (↑(algebraMap { x // x ∈ F⟮α⟯ } E) (AdjoinSimple.gen F α))\n⊢ minpoly F (AdjoinSimple.gen F α) = minpoly F α", "s...
[ 802, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 796, 1 ]
Mathlib/Order/Heyting/Hom.lean
HeytingHom.ext
[]
[ 273, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 272, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Complex.lean
Complex.cpow_one
[ { "state_after": "no goals", "state_before": "x : ℂ\nhx : x = 0\n⊢ x ^ 1 = x", "tactic": "simp [hx, cpow_def]" }, { "state_after": "no goals", "state_before": "x : ℂ\nhx : ¬x = 0\n⊢ x ^ 1 = x", "tactic": "rw [cpow_def, if_neg (one_ne_zero : (1 : ℂ) ≠ 0), if_neg hx, mul_one, exp_log hx]" ...
[ 85, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]