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list
Mathlib/Data/Polynomial/Eval.lean
Polynomial.coe_eval₂RingHom
[]
[ 283, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 282, 1 ]
Mathlib/Analysis/Convex/SimplicialComplex/Basic.lean
Geometry.SimplicialComplex.convexHull_inter_convexHull
[]
[ 103, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/Set/Intervals/WithBotTop.lean
WithTop.image_coe_Ioc
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : PartialOrder α\na b : α\n⊢ some '' Ioc a b = Ioc ↑a ↑b", "tactic": "rw [← preimage_coe_Ioc, image_preimage_eq_inter_range, range_coe,\n inter_eq_self_of_subset_left\n (Subset.trans Ioc_subset_Iic_self <| Iic_subset_Iio.2 <| coe_lt_t...
[ 122, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Order/Filter/Extr.lean
IsMaxOn.inf
[]
[ 574, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 573, 1 ]
Mathlib/Topology/Order/Basic.lean
comap_coe_Ioo_nhdsWithin_Ioi
[]
[ 2498, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2496, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
AddValuation.map_one
[]
[ 668, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 667, 1 ]
Mathlib/CategoryTheory/Generator.lean
CategoryTheory.isSeparator_coprod_of_isSeparator_right
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝³ : Category C\nD : Type u₂\ninst✝² : Category D\ninst✝¹ : HasZeroMorphisms C\nG H : C\ninst✝ : HasBinaryCoproduct G H\nhH : IsSeparator H\n⊢ {H} ⊆ {G, H}", "tactic": "simp" } ]
[ 569, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 567, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.dvd_of_mod_eq_zero
[ { "state_after": "no goals", "state_before": "α : Type ?u.262049\nβ : Type ?u.262052\nγ : Type ?u.262055\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\na b : Ordinal\nH : a % b = 0\n⊢ a = b * (a / b)", "tactic": "simpa [H] using (div_add_mod a b).symm" } ]
[ 1066, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1065, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.length_subsingleton_iff
[]
[ 601, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 600, 1 ]
Mathlib/Algebra/Algebra/Spectrum.lean
spectrum.sub_singleton_eq
[ { "state_after": "no goals", "state_before": "R : Type u\nA : Type v\ninst✝² : CommRing R\ninst✝¹ : Ring A\ninst✝ : Algebra R A\na : A\nr : R\n⊢ σ a - {r} = σ (a - ↑↑ₐ r)", "tactic": "simpa only [neg_sub, neg_eq] using congr_arg Neg.neg (singleton_sub_eq a r)" } ]
[ 319, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 318, 1 ]
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
Pmf.toOuterMeasure_ofFinset_apply
[]
[ 188, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 186, 1 ]
Mathlib/Combinatorics/SimpleGraph/Coloring.lean
SimpleGraph.chromaticNumber_le_card
[]
[ 262, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 260, 1 ]
Mathlib/Order/UpperLower/Basic.lean
coe_upperClosure
[ { "state_after": "case h\nα : Type u_1\nβ : Type ?u.123224\nγ : Type ?u.123227\nι : Sort ?u.123230\nκ : ι → Sort ?u.123235\ninst✝¹ : Preorder α\ninst✝ : Preorder β\ns✝ t : Set α\nx : α\ns : Set α\nx✝ : α\n⊢ x✝ ∈ ↑(upperClosure s) ↔ x✝ ∈ ⋃ (a : α) (_ : a ∈ s), Ici a", "state_before": "α : Type u_1\nβ : Type ...
[ 1284, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1282, 1 ]
Mathlib/LinearAlgebra/Pi.lean
LinearMap.proj_pi
[]
[ 100, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
inner_conj_symm
[]
[ 444, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 443, 1 ]
Mathlib/Data/Polynomial/Splits.lean
Polynomial.eq_X_sub_C_of_splits_of_single_root
[ { "state_after": "case a\nF : Type u\nK : Type v\nL : Type w\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Field F\ni : K →+* L\nx : K\nh : K[X]\nh_splits : Splits i h\nh_roots : roots (map i h) = {↑i x}\n⊢ map i h = map i (↑C (leadingCoeff h) * (X - ↑C x))", "state_before": "F : Type u\nK : Type v\nL : Type...
[ 373, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 369, 1 ]
Mathlib/Order/Filter/Ultrafilter.lean
Ultrafilter.mem_map
[]
[ 224, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 223, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.mk_set
[ { "state_after": "no goals", "state_before": "α✝ β α : Type u\n⊢ (#Set α) = 2 ^ (#α)", "tactic": "simp [←one_add_one_eq_two, Set, mk_arrow]" } ]
[ 639, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 639, 1 ]
Mathlib/Data/Subtype.lean
Subtype.map_id
[]
[ 216, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/Topology/UniformSpace/AbsoluteValue.lean
AbsoluteValue.hasBasis_uniformity
[]
[ 47, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 45, 1 ]
Mathlib/CategoryTheory/Abelian/InjectiveResolution.lean
CategoryTheory.InjectiveResolution.homotopyEquiv_inv_ι
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝¹ : Category C\ninst✝ : Abelian C\nX : C\nI J : InjectiveResolution X\n⊢ J.ι ≫ (homotopyEquiv I J).inv = I.ι", "tactic": "simp [homotopyEquiv]" } ]
[ 188, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/Analysis/Asymptotics/AsymptoticEquivalent.lean
Asymptotics.IsEquivalent.sub_isLittleO
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\ninst✝ : NormedAddCommGroup β\nu v w : α → β\nl : Filter α\nhuv : u ~[l] v\nhwv : w =o[l] v\n⊢ u - w ~[l] v", "tactic": "simpa only [sub_eq_add_neg] using huv.add_isLittleO hwv.neg_left" } ]
[ 173, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/Data/Nat/Factors.lean
Nat.perm_factors_mul_of_coprime
[ { "state_after": "case inl\nb : ℕ\nhab : coprime 0 b\n⊢ factors (0 * b) ~ factors 0 ++ factors b\n\ncase inr\na b : ℕ\nhab : coprime a b\nha : a > 0\n⊢ factors (a * b) ~ factors a ++ factors b", "state_before": "a b : ℕ\nhab : coprime a b\n⊢ factors (a * b) ~ factors a ++ factors b", "tactic": "rcases a...
[ 217, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 1 ]
Mathlib/Data/Polynomial/RingDivision.lean
Polynomial.natDegree_multiset_prod_X_sub_C_eq_card
[ { "state_after": "R : Type u\nS : Type v\nT : Type w\na b : R\nn : ℕ\ninst✝¹ : CommRing R\ninst✝ : IsDomain R\np q : R[X]\ns : Multiset R\n⊢ Multiset.sum (Multiset.map (natDegree ∘ fun a => X - ↑C a) s) = ↑Multiset.card s\n\ncase h\nR : Type u\nS : Type v\nT : Type w\na b : R\nn : ℕ\ninst✝¹ : CommRing R\ninst✝ ...
[ 757, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 752, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
borel_eq_generateFrom_isClosed
[]
[ 115, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/Order/Partition/Equipartition.lean
Finpartition.isEquipartition_iff_card_parts_eq_average
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\ns t : Finset α\nP : Finpartition s\n⊢ IsEquipartition P ↔\n ∀ (a : Finset α),\n a ∈ P.parts →\n Finset.card a = Finset.card s / Finset.card P.parts ∨ Finset.card a = Finset.card s / Finset.card P.parts + 1", ...
[ 41, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 37, 1 ]
Mathlib/Data/Real/Pointwise.lean
Real.sInf_smul_of_nonneg
[ { "state_after": "case inl\nι : Sort ?u.200\nα : Type u_1\ninst✝² : LinearOrderedField α\ninst✝¹ : MulActionWithZero α ℝ\ninst✝ : OrderedSMul α ℝ\na : α\nha : 0 ≤ a\n⊢ sInf (a • ∅) = a • sInf ∅\n\ncase inr\nι : Sort ?u.200\nα : Type u_1\ninst✝² : LinearOrderedField α\ninst✝¹ : MulActionWithZero α ℝ\ninst✝ : Ord...
[ 48, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 39, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Set.Finite.toFinset_mul
[]
[ 2213, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2211, 1 ]
Mathlib/Data/List/Basic.lean
List.get_zero_scanl
[ { "state_after": "case nil\nι : Type ?u.240201\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\nf : β → α → β\nb : β\na : α\nh : 0 < length (scanl f b [])\n⊢ get (scanl f b []) { val := 0, isLt := h } = b\n\ncase cons\nι : Type ?u.240201\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : L...
[ 2626, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2623, 1 ]
Mathlib/RingTheory/FreeCommRing.lean
FreeCommRing.hom_ext
[]
[ 159, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Basic.lean
Equiv.Perm.support_cycleOf_le
[ { "state_after": "ι : Type ?u.2513584\nα : Type u_1\nβ : Type ?u.2513590\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf✝ g : Perm α\nx✝ y✝ : α\nf : Perm α\nx y : α\nhy : y ∈ support (cycleOf f x)\n⊢ y ∈ support f", "state_before": "ι : Type ?u.2513584\nα : Type u_1\nβ : Type ?u.2513590\ninst✝¹ : DecidableEq ...
[ 1143, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1138, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.nth_zero_cons
[]
[ 44, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 43, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.ae_eq_restrict_biUnion_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.563935\nγ : Type ?u.563938\nδ : Type u_3\nι : Type u_2\nR : Type ?u.563947\nR' : Type ?u.563950\nm0 : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t✝ : Set α\ns : ι →...
[ 2777, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2775, 1 ]
Mathlib/Data/Finset/Image.lean
Finset.image_empty
[]
[ 321, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 320, 1 ]
Mathlib/Algebra/Support.lean
Function.mulSupport_prod_mk
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.15742\nA : Type ?u.15745\nB : Type ?u.15748\nM : Type u_3\nN : Type u_2\nP : Type ?u.15757\nR : Type ?u.15760\nS : Type ?u.15763\nG : Type ?u.15766\nM₀ : Type ?u.15769\nG₀ : Type ?u.15772\nι : Sort ?u.15775\ninst✝² : One M\ninst✝¹ : One...
[ 231, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 228, 1 ]
Mathlib/GroupTheory/Perm/List.lean
List.formPerm_cons_concat_apply_last
[ { "state_after": "case nil\nα : Type u_1\nβ : Type ?u.665997\ninst✝ : DecidableEq α\nl : List α\nx✝¹ x✝ y✝ x y : α\n⊢ ↑(formPerm (x :: ([] ++ [y]))) y = x\n\ncase cons\nα : Type u_1\nβ : Type ?u.665997\ninst✝ : DecidableEq α\nl : List α\nx✝¹ x✝ y✝ z : α\nxs : List α\nIH : ∀ (x y : α), ↑(formPerm (x :: (xs ++ [y...
[ 132, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Data/Sign.lean
sign_mul_abs
[ { "state_after": "case inl\nα : Type u_1\ninst✝ : LinearOrderedRing α\na b x : α\nhx : x < 0\n⊢ ↑(↑sign x) * abs x = x\n\ncase inr.inl\nα : Type u_1\ninst✝ : LinearOrderedRing α\na b : α\n⊢ ↑(↑sign 0) * abs 0 = 0\n\ncase inr.inr\nα : Type u_1\ninst✝ : LinearOrderedRing α\na b x : α\nhx : 0 < x\n⊢ ↑(↑sign x) * a...
[ 410, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 406, 9 ]
Mathlib/Data/List/Cycle.lean
Cycle.length_reverse
[]
[ 588, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 587, 1 ]
Mathlib/Data/Int/CharZero.lean
Int.cast_injective
[]
[ 42, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 41, 1 ]
Mathlib/RingTheory/MvPolynomial/Homogeneous.lean
MvPolynomial.homogeneousComponent_homogeneous_polynomial
[ { "state_after": "σ : Type u_1\nτ : Type ?u.368740\nR : Type u_2\nS : Type ?u.368746\ninst✝ : CommSemiring R\nn✝ : ℕ\nφ ψ : MvPolynomial σ R\nm n : ℕ\np : MvPolynomial σ R\nh : IsHomogeneous p n\n⊢ ↑(homogeneousComponent m) p = if m = n then p else 0", "state_before": "σ : Type u_1\nτ : Type ?u.368740\nR : ...
[ 328, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/Topology/Separation.lean
infinite_of_mem_nhds
[ { "state_after": "α✝ : Type u\nβ : Type v\ninst✝² : TopologicalSpace α✝\nα : Type u_1\ninst✝¹ : TopologicalSpace α\ninst✝ : T1Space α\nx : α\nhx : NeBot (𝓝[{x}ᶜ] x)\ns : Set α\nhs : s ∈ 𝓝 x\nhsf : Set.Finite s\n⊢ 𝓝[{x}ᶜ] x = ⊥", "state_before": "α✝ : Type u\nβ : Type v\ninst✝² : TopologicalSpace α✝\nα : ...
[ 782, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 778, 1 ]
Mathlib/Combinatorics/Additive/SalemSpencer.lean
mulSalemSpencer_singleton
[]
[ 98, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
Units.conj_pow'
[]
[ 1246, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1244, 1 ]
Mathlib/Algebra/Lie/BaseChange.lean
LieAlgebra.ExtendScalars.bracket'_tmul
[ { "state_after": "no goals", "state_before": "R : Type u\nA : Type w\nL : Type v\ninst✝⁴ : CommRing R\ninst✝³ : CommRing A\ninst✝² : Algebra R A\ninst✝¹ : LieRing L\ninst✝ : LieAlgebra R L\ns t : A\nx y : L\n⊢ ↑(↑(LieAlgebra.ExtendScalars.bracket' R A L) (s ⊗ₜ[R] x)) (t ⊗ₜ[R] y) = (s * t) ⊗ₜ[R] ⁅x, y⁆", ...
[ 54, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 9 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.degree_zero
[]
[ 102, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 101, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.map_iSup_comap_of_surjective
[]
[ 499, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 497, 1 ]
Mathlib/CategoryTheory/Category/Basic.lean
CategoryTheory.eq_of_comp_left_eq'
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝ : Category C\nX Y Z✝ : C\nf g : X ⟶ Y\nw : (fun {Z} h => f ≫ h) = fun {Z} h => g ≫ h\nZ : C\nh : Y ⟶ Z\n⊢ f ≫ h = g ≫ h", "tactic": "convert congr_fun (congr_fun w Z) h" } ]
[ 224, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 222, 1 ]
Std/Logic.lean
Bool.eq_iff_iff
[ { "state_after": "no goals", "state_before": "a b : Bool\n⊢ a = b ↔ (a = true ↔ b = true)", "tactic": "cases b <;> simp" } ]
[ 770, 78 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 770, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.prod_ext_iff
[ { "state_after": "R : Type u_1\nR₂ : Type ?u.1139458\nR₃ : Type ?u.1139461\nS : Type ?u.1139464\nS₃ : Type ?u.1139467\ninst✝²⁹ : Semiring R\ninst✝²⁸ : Semiring R₂\ninst✝²⁷ : Semiring R₃\ninst✝²⁶ : Semiring S\ninst✝²⁵ : Semiring S₃\nM : Type u_3\ninst✝²⁴ : TopologicalSpace M\ninst✝²³ : AddCommMonoid M\ninst✝²² :...
[ 1566, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1563, 1 ]
Mathlib/Data/IsROrC/Basic.lean
IsROrC.re_sq_le_normSq
[]
[ 517, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 516, 1 ]
Mathlib/Data/List/Chain.lean
List.chain_of_chain_map
[]
[ 92, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/LinearAlgebra/Matrix/Adjugate.lean
Matrix.adjugate_submatrix_equiv_self
[ { "state_after": "case a.h\nm : Type u\nn : Type v\nα : Type w\ninst✝⁴ : DecidableEq n\ninst✝³ : Fintype n\ninst✝² : DecidableEq m\ninst✝¹ : Fintype m\ninst✝ : CommRing α\ne : n ≃ m\nA : Matrix m m α\ni j : n\n⊢ adjugate (submatrix A ↑e ↑e) i j = submatrix (adjugate A) (↑e) (↑e) i j", "state_before": "m : T...
[ 261, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 253, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.bot_adj
[]
[ 386, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 385, 1 ]
Mathlib/Data/MvPolynomial/Equiv.lean
MvPolynomial.degreeOf_coeff_finSuccEquiv
[ { "state_after": "R : Type u\nS₁ : Type v\nS₂ : Type w\nS₃ : Type x\nσ : Type ?u.1382844\na a' a₁ a₂ : R\ne : ℕ\ns : σ →₀ ℕ\ninst✝ : CommSemiring R\nn : ℕ\np : MvPolynomial (Fin (n + 1)) R\nj : Fin n\ni : ℕ\n⊢ ∀ (b : Fin n →₀ ℕ),\n b ∈ support (Polynomial.coeff (↑(finSuccEquiv R n) p) i) → ↑b j ≤ Finset.sup ...
[ 504, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 497, 1 ]
Mathlib/Algebra/Star/Pointwise.lean
Set.star_inv'
[ { "state_after": "case h\nα : Type u_1\ns✝ t : Set α\na : α\ninst✝¹ : DivisionSemiring α\ninst✝ : StarRing α\ns : Set α\nx✝ : α\n⊢ x✝ ∈ s⁻¹⋆ ↔ x✝ ∈ s⋆⁻¹", "state_before": "α : Type u_1\ns✝ t : Set α\na : α\ninst✝¹ : DivisionSemiring α\ninst✝ : StarRing α\ns : Set α\n⊢ s⁻¹⋆ = s⋆⁻¹", "tactic": "ext" }, ...
[ 147, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 11 ]
Mathlib/Data/Polynomial/Degree/Definitions.lean
Polynomial.natDegree_mul'
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b c d : R\nn m : ℕ\ninst✝ : Semiring R\np q : R[X]\nι : Type ?u.659713\nh : leadingCoeff p * leadingCoeff q ≠ 0\nh₁ : leadingCoeff p = 0\n⊢ leadingCoeff p * leadingCoeff q = 0", "tactic": "rw [h₁, zero_mul]" }, { "state_afte...
[ 951, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 944, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.mul_le_of_limit
[ { "state_after": "no goals", "state_before": "α : Type ?u.208151\nβ : Type ?u.208154\nγ : Type ?u.208157\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\na b c : Ordinal\nh : IsLimit b\nH : ∀ (b' : Ordinal), b' < b → a * b' ≤ c\n⊢ ¬c < a * b", "tactic": "induction a using inductionOn with\n| H α r...
[ 803, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 795, 1 ]
Mathlib/Tactic/NormNum/Core.lean
Mathlib.Meta.NormNum.IsInt.neg_to_eq
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : Ring α\nn : ℕ\n⊢ ↑(Int.negOfNat n) = -↑n", "tactic": "simp [Int.negOfNat_eq, Int.cast_neg]" } ]
[ 90, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Order/Chain.lean
Flag.mk_coe
[]
[ 329, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/RingTheory/FractionalIdeal.lean
FractionalIdeal.mul_right_mono
[ { "state_after": "R : Type u_1\ninst✝² : CommRing R\nS : Submonoid R\nP : Type u_2\ninst✝¹ : CommRing P\ninst✝ : Algebra R P\nloc : IsLocalization S P\nI J J' : FractionalIdeal S P\nh : J ≤ J'\n⊢ (fun J => J * I) J ≤ (fun J => J * I) J'", "state_before": "R : Type u_1\ninst✝² : CommRing R\nS : Submonoid R\n...
[ 575, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 572, 1 ]
Mathlib/CategoryTheory/Adjunction/Opposites.lean
CategoryTheory.Adjunction.leftAdjointUniq_hom_counit
[ { "state_after": "case w.h\nC : Type u₁\ninst✝¹ : Category C\nD : Type u₂\ninst✝ : Category D\nF F' : C ⥤ D\nG : D ⥤ C\nadj1 : F ⊣ G\nadj2 : F' ⊣ G\nx : D\n⊢ (whiskerLeft G (leftAdjointUniq adj1 adj2).hom ≫ adj2.counit).app x = adj1.counit.app x", "state_before": "C : Type u₁\ninst✝¹ : Category C\nD : Type ...
[ 166, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 159, 1 ]
Mathlib/Algebra/Algebra/Equiv.lean
AlgEquiv.aut_mul
[]
[ 664, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 663, 1 ]
Mathlib/MeasureTheory/Integral/DivergenceTheorem.lean
MeasureTheory.integral_divergence_of_hasFDerivWithinAt_off_countable_aux₁
[ { "state_after": "E : Type u\ninst✝² : NormedAddCommGroup E\ninst✝¹ : NormedSpace ℝ E\ninst✝ : CompleteSpace E\nn : ℕ\nI : Box (Fin (n + 1))\nf : (Fin (n + 1) → ℝ) → Fin (n + 1) → E\nf' : (Fin (n + 1) → ℝ) → (Fin (n + 1) → ℝ) →L[ℝ] Fin (n + 1) → E\ns : Set (Fin (n + 1) → ℝ)\nhs : Set.Countable s\nHc : Continuou...
[ 138, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Trivialization.coordChange_same
[]
[ 688, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 686, 1 ]
Std/Data/Int/DivMod.lean
Int.mul_ediv_mul_of_pos_left
[ { "state_after": "no goals", "state_before": "a b c : Int\nH : 0 < b\n⊢ a * b / (c * b) = a / c", "tactic": "rw [Int.mul_comm, Int.mul_comm c, mul_ediv_mul_of_pos _ _ H]" } ]
[ 541, 63 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 539, 9 ]
Mathlib/Data/Int/Lemmas.lean
Int.toNat_of_nonpos
[ { "state_after": "no goals", "state_before": "a b : ℤ\nn✝ n : ℕ\nh : ↑(n + 1) ≤ 0\n⊢ 0 < ↑(n + 1)", "tactic": "simp" } ]
[ 113, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 110, 1 ]
Mathlib/RingTheory/DedekindDomain/Ideal.lean
FractionalIdeal.mul_inv_cancel_iff
[ { "state_after": "no goals", "state_before": "R : Type ?u.28285\nA : Type ?u.28288\nK : Type u_2\ninst✝⁷ : CommRing R\ninst✝⁶ : CommRing A\ninst✝⁵ : Field K\ninst✝⁴ : IsDomain A\nR₁ : Type u_1\ninst✝³ : CommRing R₁\ninst✝² : IsDomain R₁\ninst✝¹ : Algebra R₁ K\ninst✝ : IsFractionRing R₁ K\nI✝ J✝ I : Fraction...
[ 135, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Topology/Sequences.lean
IsSeqCompact.isCompact
[]
[ 389, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 388, 11 ]
Mathlib/Logic/Basic.lean
ite_ne_left_iff
[ { "state_after": "α : Sort u_1\nβ : Sort ?u.36335\nσ : α → Sort ?u.36331\nf : α → β\nP Q : Prop\ninst✝¹ : Decidable P\ninst✝ : Decidable Q\na b c : α\nA : P → α\nB : ¬P → α\n⊢ (∃ h, a ≠ b) ↔ ¬P ∧ a ≠ b", "state_before": "α : Sort u_1\nβ : Sort ?u.36335\nσ : α → Sort ?u.36331\nf : α → β\nP Q : Prop\ninst✝¹ :...
[ 1169, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1168, 1 ]
Mathlib/Analysis/Complex/Isometry.lean
rotation_trans
[ { "state_after": "case h\na b : { x // x ∈ circle }\nx✝ : ℂ\n⊢ ↑(LinearIsometryEquiv.trans (↑rotation a) (↑rotation b)) x✝ = ↑(↑rotation (b * a)) x✝", "state_before": "a b : { x // x ∈ circle }\n⊢ LinearIsometryEquiv.trans (↑rotation a) (↑rotation b) = ↑rotation (b * a)", "tactic": "ext1" }, { "...
[ 65, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 63, 1 ]
Mathlib/Topology/Homeomorph.lean
Homeomorph.symm_symm
[]
[ 82, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 9 ]
Mathlib/Topology/Algebra/InfiniteSum/Order.lean
hasSum_strict_mono
[]
[ 173, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Data/Polynomial/Derivative.lean
Polynomial.derivative_apply
[]
[ 56, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Order/Lattice.lean
inf_eq_minDefault
[ { "state_after": "case h.h\nα : Type u\nβ : Type v\ninst✝² : SemilatticeInf α\ninst✝¹ : DecidableRel fun x x_1 => x ≤ x_1\ninst✝ : IsTotal α fun x x_1 => x ≤ x_1\nx y : α\n⊢ x ⊓ y = minDefault x y", "state_before": "α : Type u\nβ : Type v\ninst✝² : SemilatticeInf α\ninst✝¹ : DecidableRel fun x x_1 => x ≤ x_...
[ 914, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 908, 1 ]
Mathlib/Algebra/Module/Submodule/Basic.lean
Submodule.toAddSubgroup_le
[]
[ 550, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 549, 1 ]
Mathlib/GroupTheory/SchurZassenhaus.lean
Subgroup.exists_smul_eq
[ { "state_after": "no goals", "state_before": "G : Type u_1\ninst✝³ : Group G\nH : Subgroup G\ninst✝² : IsCommutative H\ninst✝¹ : FiniteIndex H\nα✝¹ β✝¹ : ↑(leftTransversals ↑H)\ninst✝ : Normal H\nhH : Nat.coprime (Nat.card { x // x ∈ H }) (index H)\nα✝ β✝ : QuotientDiff H\nβ α : ↑(leftTransversals ↑H)\n⊢ di...
[ 122, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/Algebra/Opposites.lean
MulOpposite.op_ne_zero_iff
[]
[ 348, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 347, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
extChartAt_self_apply
[]
[ 1277, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1276, 1 ]
Mathlib/CategoryTheory/Monoidal/Free/Basic.lean
CategoryTheory.FreeMonoidalCategory.mk_id
[]
[ 201, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/Data/Set/Intervals/Disjoint.lean
Set.iUnion_Ioi
[]
[ 103, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/CategoryTheory/Sites/Sheafification.lean
CategoryTheory.GrothendieckTopology.sheafify_isSheaf
[]
[ 610, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 609, 1 ]
Mathlib/Algebra/AddTorsor.lean
Equiv.pointReflection_symm
[ { "state_after": "no goals", "state_before": "G : Type u_2\nP : Type u_1\ninst✝¹ : AddGroup G\ninst✝ : AddTorsor G P\nx : P\n⊢ ∀ (x_1 : P), ↑(pointReflection x).symm x_1 = ↑(pointReflection x) x_1", "tactic": "simp [pointReflection]" } ]
[ 453, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 452, 1 ]
Mathlib/Data/Vector3.lean
Vector3.append_cons
[]
[ 169, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Algebra/Order/Sub/Canonical.lean
AddLECancellable.tsub_lt_self_iff
[ { "state_after": "α : Type u_1\ninst✝² : CanonicallyLinearOrderedAddMonoid α\ninst✝¹ : Sub α\ninst✝ : OrderedSub α\na b c d : α\nha : AddLECancellable a\nh : a - b < a\n⊢ 0 ≠ b", "state_before": "α : Type u_1\ninst✝² : CanonicallyLinearOrderedAddMonoid α\ninst✝¹ : Sub α\ninst✝ : OrderedSub α\na b c d : α\nh...
[ 457, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 452, 11 ]
Mathlib/Analysis/MeanInequalitiesPow.lean
Real.pow_sum_div_card_le_sum_pow
[ { "state_after": "case inl\nι : Type u\nf : ι → ℝ\nn : ℕ\nhf : ∀ (a : ι), a ∈ ∅ → 0 ≤ f a\n⊢ (∑ x in ∅, f x) ^ (n + 1) / ↑(card ∅) ^ n ≤ ∑ x in ∅, f x ^ (n + 1)\n\ncase inr\nι : Type u\ns : Finset ι\nf : ι → ℝ\nn : ℕ\nhf : ∀ (a : ι), a ∈ s → 0 ≤ f a\nhs : Finset.Nonempty s\n⊢ (∑ x in s, f x) ^ (n + 1) / ↑(card ...
[ 90, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 76, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.eq_one_iff_unique
[]
[ 1602, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1598, 1 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
PowerSeries.coeff_succ_X_mul
[ { "state_after": "R : Type u_1\ninst✝ : Semiring R\nn : ℕ\nφ : PowerSeries R\n⊢ ↑(MvPowerSeries.coeff R (single () 1 + single () n)) (X * φ) = ↑(MvPowerSeries.coeff R (single () n)) φ", "state_before": "R : Type u_1\ninst✝ : Semiring R\nn : ℕ\nφ : PowerSeries R\n⊢ ↑(coeff R (n + 1)) (X * φ) = ↑(coeff R n) φ...
[ 1532, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1529, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.right_mem_Ioc
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.5581\ninst✝ : Preorder α\na a₁ a₂ b b₁ b₂ c x : α\n⊢ b ∈ Ioc a b ↔ a < b", "tactic": "simp [le_refl]" } ]
[ 223, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 223, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_iUnion₀
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.1020799\nδ : Type ?u.1020802\nm : MeasurableSpace α\nμ ν : Measure α\ninst✝ : Countable β\ns : β → Set α\nhm : ∀ (i : β), NullMeasurableSet (s i)\nhd : Pairwise (AEDisjoint μ on s)\nf : α → ℝ≥0∞\n⊢ (∫⁻ (a : α) in ⋃ (i : β)...
[ 1187, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1184, 1 ]
Std/Data/Nat/Gcd.lean
Nat.coprime_zero_right
[ { "state_after": "no goals", "state_before": "n : Nat\n⊢ coprime n 0 ↔ n = 1", "tactic": "simp [coprime]" } ]
[ 355, 88 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 355, 9 ]
Mathlib/Algebra/Order/Group/Defs.lean
OrderedCommGroup.to_contravariantClass_left_le
[ { "state_after": "no goals", "state_before": "α✝ α : Type u\ninst✝ : OrderedCommGroup α\na b c : α\nbc : a * b ≤ a * c\n⊢ b ≤ c", "tactic": "simpa using mul_le_mul_left' bc a⁻¹" } ]
[ 76, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Basic.lean
Equiv.Perm.cycle_is_cycleOf
[ { "state_after": "ι : Type ?u.2777278\nα : Type u_1\nβ : Type ?u.2777284\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf✝ f c : Perm α\na : α\nha : a ∈ support c\nhc : c ∈ cycleFactorsFinset f\n⊢ cycleOf f a = cycleOf c a", "state_before": "ι : Type ?u.2777278\nα : Type u_1\nβ : Type ?u.2777284\ninst✝¹ : Deci...
[ 1529, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1514, 1 ]
Mathlib/GroupTheory/SpecificGroups/Quaternion.lean
QuaternionGroup.one_def
[]
[ 135, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Std/Classes/LawfulMonad.lean
SatisfiesM.mapConst
[]
[ 117, 33 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 115, 11 ]
Mathlib/CategoryTheory/Limits/Shapes/Equalizers.lean
CategoryTheory.Limits.eq_of_mono_cofork_π
[]
[ 1072, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1071, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Real.sinOrderIso_apply
[]
[ 925, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 924, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.coe_smul
[ { "state_after": "no goals", "state_before": "α : Type ?u.74308\nβ : Type ?u.74311\na b c d : ℝ≥0∞\nr✝ p q : ℝ≥0\nR : Type u_1\nr : R\ns : ℝ≥0\ninst✝³ : SMul R ℝ≥0\ninst✝² : SMul R ℝ≥0∞\ninst✝¹ : IsScalarTower R ℝ≥0 ℝ≥0\ninst✝ : IsScalarTower R ℝ≥0 ℝ≥0∞\n⊢ ↑(r • s) = r • ↑s", "tactic": "rw [← smul_one_s...
[ 514, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 511, 1 ]
Mathlib/SetTheory/Cardinal/Cofinality.lean
Ordinal.IsFundamentalSequence.cof_eq
[ { "state_after": "α : Type ?u.67959\nr : α → α → Prop\na o : Ordinal\nf : (b : Ordinal) → b < o → Ordinal\nhf : IsFundamentalSequence a o f\n⊢ ord (cof (blsub o f)) ≤ o", "state_before": "α : Type ?u.67959\nr : α → α → Prop\na o : Ordinal\nf : (b : Ordinal) → b < o → Ordinal\nhf : IsFundamentalSequence a o ...
[ 559, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 556, 11 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.bounded_union
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.491428\nι : Type ?u.491431\ninst✝ : PseudoMetricSpace α\nx : α\ns t : Set α\nr : ℝ\n⊢ Bounded (s ∪ t) ↔ Bounded s ∧ Bounded t", "tactic": "simp only [bounded_iff_isBounded, isBounded_union]" } ]
[ 2372, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2371, 9 ]
Std/Data/List/Basic.lean
List.removeNth_eq_removeNthTR
[ { "state_after": "case h.h.h\nα : Type u_1\nl : List α\nn : Nat\n⊢ removeNth l n = removeNthTR l n", "state_before": "⊢ @removeNth = @removeNthTR", "tactic": "funext α l n" }, { "state_after": "case h.h.h\nα : Type u_1\nl : List α\nn : Nat\n⊢ removeNth l n = removeNthTR.go l l n #[]", "state...
[ 384, 44 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 375, 10 ]