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list
Mathlib/Geometry/Manifold/ChartedSpace.lean
StructureGroupoid.eq_on_source
[]
[ 202, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/Topology/Algebra/Order/ExtendFrom.lean
eq_lim_at_right_extendFrom_Ioo
[ { "state_after": "case hx\nα : Type u_1\nβ : Type u_2\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : LinearOrder α\ninst✝³ : DenselyOrdered α\ninst✝² : OrderTopology α\ninst✝¹ : TopologicalSpace β\ninst✝ : T2Space β\nf : α → β\na b : α\nlb : β\nhab : a < b\nhb : Tendsto f (𝓝[Iio b] b) (𝓝 lb)\n⊢ b ∈ closure (Ioo a b)\...
[ 51, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 45, 1 ]
Mathlib/Data/Set/Basic.lean
SetCoe.ext
[]
[ 213, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/Analysis/SpecialFunctions/Polynomials.lean
Polynomial.div_tendsto_atBot_of_degree_gt'
[ { "state_after": "𝕜 : Type u_1\ninst✝¹ : NormedLinearOrderedField 𝕜\nP Q : 𝕜[X]\ninst✝ : OrderTopology 𝕜\nhdeg : degree Q < degree P\nhneg : leadingCoeff P / leadingCoeff Q < 0\nhQ : Q ≠ 0\n⊢ Tendsto (fun x => eval x P / eval x Q) atTop atBot", "state_before": "𝕜 : Type u_1\ninst✝¹ : NormedLinearOrdere...
[ 208, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Data/Finsupp/Basic.lean
Finsupp.equivMapDomain_eq_mapDomain
[ { "state_after": "case h\nα : Type u_2\nβ : Type u_3\nγ : Type ?u.296865\nι : Type ?u.296868\nM✝ : Type ?u.296871\nM' : Type ?u.296874\nN : Type ?u.296877\nP : Type ?u.296880\nG : Type ?u.296883\nH : Type ?u.296886\nR : Type ?u.296889\nS : Type ?u.296892\ninst✝¹ : AddCommMonoid M✝\nv v₁ v₂ : α →₀ M✝\nM : Type u...
[ 680, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 679, 1 ]
Mathlib/Analysis/Normed/Group/Hom.lean
NormedAddGroupHom.NormNoninc.zero
[ { "state_after": "no goals", "state_before": "V : Type ?u.496737\nW : Type ?u.496740\nV₁ : Type u_1\nV₂ : Type u_2\nV₃ : Type ?u.496749\ninst✝⁴ : SeminormedAddCommGroup V\ninst✝³ : SeminormedAddCommGroup W\ninst✝² : SeminormedAddCommGroup V₁\ninst✝¹ : SeminormedAddCommGroup V₂\ninst✝ : SeminormedAddCommGrou...
[ 835, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 835, 1 ]
Mathlib/LinearAlgebra/Alternating.lean
AlternatingMap.domDomCongr_perm
[]
[ 792, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 790, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
cauchySeq_iff_le_tendsto_0
[ { "state_after": "α : Type u\nβ : Type v\nX : Type ?u.230183\nι : Type ?u.230186\ninst✝² : PseudoMetricSpace α\ninst✝¹ : Nonempty β\ninst✝ : SemilatticeSup β\ns : ℕ → α\nhs : CauchySeq s\nS : ℕ → Set ℝ := fun N => (fun p => dist (s p.fst) (s p.snd)) '' {p | p.fst ≥ N ∧ p.snd ≥ N}\n⊢ ∃ b, (∀ (n : ℕ), 0 ≤ b n) ∧ ...
[ 1600, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1572, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Biproducts.lean
CategoryTheory.Limits.biproduct.lift_map
[ { "state_after": "case w\nJ : Type w\nC : Type u\ninst✝³ : Category C\ninst✝² : HasZeroMorphisms C\nf g : J → C\ninst✝¹ : HasBiproduct f\ninst✝ : HasBiproduct g\nP : C\nk : (j : J) → P ⟶ f j\np : (j : J) → f j ⟶ g j\nj✝ : J\n⊢ (lift k ≫ map p) ≫ π (fun b => g b) j✝ = (lift fun j => k j ≫ p j) ≫ π (fun b => g b)...
[ 550, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 547, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Basic.lean
HasFDerivAt.unique
[ { "state_after": "𝕜 : Type u_1\ninst✝⁸ : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type u_3\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type ?u.229885\ninst✝³ : NormedAddCommGroup G\ninst✝² : NormedSpace 𝕜 G\nG' : Type ?u.229980\...
[ 474, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 472, 1 ]
Mathlib/Data/Fin/VecNotation.lean
Matrix.cons_add
[ { "state_after": "case h\nα : Type u\nm n o : ℕ\nm' : Type ?u.58053\nn' : Type ?u.58056\no' : Type ?u.58059\ninst✝ : Add α\nx : α\nv : Fin n → α\nw : Fin (Nat.succ n) → α\ni : Fin (Nat.succ n)\n⊢ (vecCons x v + w) i = vecCons (x + vecHead w) (v + vecTail w) i", "state_before": "α : Type u\nm n o : ℕ\nm' : T...
[ 460, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 457, 1 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.C_eq_nat_cast
[]
[ 536, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 535, 1 ]
Mathlib/GroupTheory/SemidirectProduct.lean
SemidirectProduct.rightHom_comp_inl
[ { "state_after": "case h\nN : Type u_1\nG : Type u_2\nH : Type ?u.105269\ninst✝² : Group N\ninst✝¹ : Group G\ninst✝ : Group H\nφ : G →* MulAut N\nx✝ : N\n⊢ ↑(MonoidHom.comp rightHom inl) x✝ = ↑1 x✝", "state_before": "N : Type u_1\nG : Type u_2\nH : Type ?u.105269\ninst✝² : Group N\ninst✝¹ : Group G\ninst✝ :...
[ 189, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Algebra/Periodic.lean
Function.Periodic.sub_nat_mul_eq
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.100335\nf g : α → β\nc c₁ c₂ x : α\ninst✝ : Ring α\nh : Periodic f c\nn : ℕ\n⊢ f (x - ↑n * c) = f x", "tactic": "simpa only [nsmul_eq_mul] using h.sub_nsmul_eq n" } ]
[ 222, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 221, 1 ]
Mathlib/Data/Int/ModEq.lean
Int.exists_unique_equiv_nat
[ { "state_after": "no goals", "state_before": "m n a✝ b✝ c d a b : ℤ\nhb : 0 < b\nz : ℤ\nhz1 : 0 ≤ z\nhz2 : z < b\nhz3 : z ≡ a [ZMOD b]\n⊢ ↑(natAbs z) < b ∧ ↑(natAbs z) ≡ a [ZMOD b]", "tactic": "constructor <;> rw [ofNat_natAbs_eq_of_nonneg z hz1] <;> assumption" } ]
[ 317, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/Analysis/SpecificLimits/Basic.lean
geom_lt
[ { "state_after": "α : Type ?u.33970\nβ : Type ?u.33973\nι : Type ?u.33976\nu : ℕ → ℝ\nc : ℝ\nhc : 0 ≤ c\nn : ℕ\nhn : 0 < n\nh : ∀ (k : ℕ), k < n → c * u k < u (k + 1)\n⊢ c ^ 0 * u 0 ≤ u 0\n\nα : Type ?u.33970\nβ : Type ?u.33973\nι : Type ?u.33976\nu : ℕ → ℝ\nc : ℝ\nhc : 0 ≤ c\nn : ℕ\nhn : 0 < n\nh : ∀ (k : ℕ), ...
[ 132, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Analysis/NormedSpace/AffineIsometry.lean
AffineIsometryEquiv.toHomeomorph_refl
[]
[ 514, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 513, 1 ]
Mathlib/Dynamics/Flow.lean
Flow.isInvariant_iff_image_eq
[ { "state_after": "no goals", "state_before": "τ : Type u_2\ninst✝³ : AddCommGroup τ\ninst✝² : TopologicalSpace τ\ninst✝¹ : TopologicalAddGroup τ\nα : Type u_1\ninst✝ : TopologicalSpace α\nϕ : Flow τ α\ns : Set α\nh : ∀ (t : τ), toFun ϕ t '' s ⊆ s\nt : τ\nx✝ : α\nhx : x✝ ∈ s\n⊢ toFun ϕ t (toFun ϕ (-t) x✝) = ...
[ 166, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 162, 1 ]
Mathlib/Algebra/GroupPower/Basic.lean
inv_zpow'
[ { "state_after": "no goals", "state_before": "α : Type u_1\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✝ : DivisionMonoid α\na✝ b a : α\nn : ℤ\n⊢ a⁻¹ ^ n = a ^ (-n)", "tactic": "rw [inv_zpow, zpow_neg]" } ]
[ 358, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 358, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
Monotone.const_mul_of_nonpos
[]
[ 426, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 425, 1 ]
Mathlib/Algebra/BigOperators/Finprod.lean
finprod_mem_finset_product₃
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nι : Type ?u.435995\nG : Type ?u.435998\nM : Type u_4\nN : Type ?u.436004\ninst✝¹ : CommMonoid M\ninst✝ : CommMonoid N\nf✝ g : α → M\na b : α\ns✝ t : Set α\nγ : Type u_1\ns : Finset (α × β × γ)\nf : α × β × γ → M\n⊢ (∏ᶠ (abc : α × β × ...
[ 1259, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1254, 1 ]
Mathlib/Analysis/Convex/Exposed.lean
IsExposed.inter_left
[ { "state_after": "case intro\n𝕜 : Type u_1\nE : Type u_2\ninst✝⁴ : TopologicalSpace 𝕜\ninst✝³ : OrderedRing 𝕜\ninst✝² : AddCommMonoid E\ninst✝¹ : TopologicalSpace E\ninst✝ : Module 𝕜 E\nl : E →L[𝕜] 𝕜\nA B C : Set E\nX : Finset E\nx : E\nhC : IsExposed 𝕜 A C\nhCB : C ⊆ B\nw : E\nhw : w ∈ C\n⊢ ∃ l, C = {x ...
[ 175, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.foldl_zero
[]
[ 1363, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1362, 1 ]
Mathlib/Data/Int/AbsoluteValue.lean
AbsoluteValue.map_units_int
[ { "state_after": "no goals", "state_before": "R : Type ?u.14\nS : Type u_1\ninst✝¹ : Ring R\ninst✝ : LinearOrderedCommRing S\nabv : AbsoluteValue ℤ S\nx : ℤˣ\n⊢ ↑abv ↑x = 1", "tactic": "rcases Int.units_eq_one_or x with (rfl | rfl) <;> simp" } ]
[ 33, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 32, 1 ]
Mathlib/MeasureTheory/Measure/ProbabilityMeasure.lean
MeasureTheory.FiniteMeasure.normalize_eq_of_nonzero
[ { "state_after": "no goals", "state_before": "Ω : Type u_1\ninst✝ : Nonempty Ω\nm0 : MeasurableSpace Ω\nμ : FiniteMeasure Ω\nnonzero : μ ≠ 0\ns : Set Ω\n⊢ (fun s => ENNReal.toNNReal (↑↑↑(normalize μ) s)) s = (mass μ)⁻¹ * (fun s => ENNReal.toNNReal (↑↑↑μ s)) s", "tactic": "simp only [μ.self_eq_mass_mul_n...
[ 358, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 356, 1 ]
Mathlib/NumberTheory/Multiplicity.lean
Nat.two_pow_sub_pow
[ { "state_after": "case inl\nR : Type ?u.872951\nn✝ x y : ℕ\nhxy : 2 ∣ x - y\nhx : ¬2 ∣ x\nn : ℕ\nhn : Even n\nhyx : y ≤ x\n⊢ multiplicity 2 (x ^ n - y ^ n) + 1 = multiplicity 2 (x + y) + multiplicity 2 (x - y) + multiplicity 2 n\n\ncase inr\nR : Type ?u.872951\nn✝ x y : ℕ\nhxy : 2 ∣ x - y\nhx : ¬2 ∣ x\nn : ℕ\nh...
[ 377, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 363, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
add_div_two_lt_right
[ { "state_after": "no goals", "state_before": "ι : Type ?u.101700\nα : Type u_1\nβ : Type ?u.101706\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\n⊢ (a + b) / 2 < b ↔ a < b", "tactic": "simp [div_lt_iff, mul_two]" } ]
[ 544, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 544, 1 ]
Mathlib/Dynamics/PeriodicPts.lean
Function.mk_mem_periodicPts
[]
[ 227, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
Commute.cast_int_mul_left
[]
[ 1160, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1158, 1 ]
Mathlib/Analysis/Calculus/FDerivMeasurable.lean
FDerivMeasurableAux.d_subset_differentiable_set
[ { "state_after": "𝕜 : Type u_3\ninst✝⁴ : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝³ : NormedAddCommGroup E\ninst✝² : NormedSpace 𝕜 E\nF : Type u_1\ninst✝¹ : NormedAddCommGroup F\ninst✝ : NormedSpace 𝕜 F\nf : E → F\nK✝ K : Set (E →L[𝕜] F)\nhK : IsComplete K\nP : ∀ {n : ℕ}, 0 < (1 / 2) ^ n\n⊢ D f K ⊆ {x...
[ 366, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 227, 1 ]
Mathlib/Topology/Category/CompHaus/Basic.lean
CompHaus.epi_iff_surjective
[ { "state_after": "case mp\nX Y : CompHaus\nf : X ⟶ Y\n⊢ Epi f → Function.Surjective ((forget CompHaus).map f)\n\ncase mpr\nX Y : CompHaus\nf : X ⟶ Y\n⊢ Function.Surjective ((forget CompHaus).map f) → Epi f", "state_before": "X Y : CompHaus\nf : X ⟶ Y\n⊢ Epi f ↔ Function.Surjective ((forget CompHaus).map f)"...
[ 341, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 298, 1 ]
Mathlib/Analysis/MeanInequalities.lean
NNReal.young_inequality
[]
[ 280, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 278, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.exp_lt_one_iff
[ { "state_after": "no goals", "state_before": "x✝ y x : ℝ\n⊢ exp x < 1 ↔ x < 0", "tactic": "rw [← exp_zero, exp_lt_exp]" } ]
[ 1547, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1547, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.IsBigO.isBigOWith
[]
[ 191, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.biInter_mono
[]
[ 893, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 891, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.sum_coe_finset
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type ?u.342451\nγ : Type ?u.342454\nδ : Type ?u.342457\nι : Type u_1\nR : Type ?u.342463\nR' : Type ?u.342466\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...
[ 2086, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2085, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.AEEqFun.integrable_coeFn
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.1263055\nδ : Type ?u.1263058\nm : MeasurableSpace α\nμ ν : Measure α\ninst✝² : MeasurableSpace δ\ninst✝¹ : NormedAddCommGroup β\ninst✝ : NormedAddCommGroup γ\nf : α →ₘ[μ] β\n⊢ MeasureTheory.Integrable ↑f ↔ Integrable f", ...
[ 1220, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1219, 1 ]
Mathlib/RingTheory/Ideal/Over.lean
Ideal.exists_coeff_ne_zero_mem_comap_of_non_zero_divisor_root_mem
[ { "state_after": "case refine'_1\nR : Type u_2\ninst✝¹ : CommRing R\nS : Type u_1\ninst✝ : CommRing S\nf : R →+* S\nI J : Ideal S\nr : S\nr_non_zero_divisor : ∀ {x : S}, x * r = 0 → x = 0\nhr : r ∈ I\np : R[X]\n⊢ 0 ≠ 0 → eval₂ f r 0 = 0 → ∃ i, coeff 0 i ≠ 0 ∧ coeff 0 i ∈ comap f I\n\ncase refine'_2\nR : Type u_...
[ 73, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Pretrivialization.coe_fst'
[]
[ 125, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Algebra/Opposites.lean
MulOpposite.unop_bijective
[]
[ 147, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/RingTheory/Subring/Basic.lean
Subring.map_bot
[]
[ 1082, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1081, 1 ]
Mathlib/RingTheory/Ideal/QuotientOperations.lean
DoubleQuot.quotQuotEquivComm_symmₐ
[ { "state_after": "case h\nR : Type u\nA : Type u_1\ninst✝² : CommSemiring R\ninst✝¹ : CommRing A\ninst✝ : Algebra R A\nI J : Ideal A\na✝ : (A ⧸ J) ⧸ map (Quotient.mkₐ R J) I\n⊢ ↑(AlgEquiv.symm (quotQuotEquivCommₐ R I J)) a✝ = ↑(quotQuotEquivCommₐ R J I) a✝", "state_before": "R : Type u\nA : Type u_1\ninst✝²...
[ 806, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 800, 1 ]
Mathlib/Data/List/Basic.lean
List.take_one_drop_eq_of_lt_length'
[]
[ 1392, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1391, 1 ]
Mathlib/Dynamics/Circle/RotationNumber/TranslationNumber.lean
CircleDeg1Lift.map_fract_sub_fract_eq
[ { "state_after": "no goals", "state_before": "f g : CircleDeg1Lift\nx : ℝ\n⊢ ↑f (fract x) - fract x = ↑f x - x", "tactic": "rw [Int.fract, f.map_sub_int, sub_sub_sub_cancel_right]" } ]
[ 396, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 395, 1 ]
Mathlib/FieldTheory/IntermediateField.lean
toIntermediateField'_toSubalgebra
[ { "state_after": "case h\nK : Type u_1\nL : Type u_2\nL' : Type ?u.81019\ninst✝⁴ : Field K\ninst✝³ : Field L\ninst✝² : Field L'\ninst✝¹ : Algebra K L\ninst✝ : Algebra K L'\nS✝ S : IntermediateField K L\nx✝ : L\n⊢ x✝ ∈ Subalgebra.toIntermediateField' S.toSubalgebra (_ : IsField { x // x ∈ S }) ↔ x✝ ∈ S", "st...
[ 331, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 1 ]
Mathlib/LinearAlgebra/StdBasis.lean
LinearMap.proj_stdBasis_same
[]
[ 94, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 93, 1 ]
Mathlib/Analysis/NormedSpace/Extend.lean
ContinuousLinearMap.norm_extendTo𝕜
[]
[ 173, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Analysis/BoxIntegral/Basic.lean
BoxIntegral.Integrable.mono
[]
[ 249, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 248, 1 ]
Mathlib/LinearAlgebra/Matrix/IsDiag.lean
Matrix.IsDiag.kronecker
[ { "state_after": "case mk.mk\nα : Type u_1\nβ : Type ?u.20075\nR : Type ?u.20078\nn : Type u_3\nm : Type u_2\ninst✝ : MulZeroClass α\nA : Matrix m m α\nB : Matrix n n α\nhA : IsDiag A\nhB : IsDiag B\na : m\nb : n\nc : m\nd : n\nh : (a, b) ≠ (c, d)\n⊢ kroneckerMap (fun x x_1 => x * x_1) A B (a, b) (c, d) = 0", ...
[ 152, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
AEMeasurable.norm
[]
[ 2044, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2042, 1 ]
Mathlib/Data/Finsupp/AList.lean
AList.singleton_lookupFinsupp
[ { "state_after": "no goals", "state_before": "α : Type u_1\nM : Type u_2\ninst✝ : Zero M\na : α\nm : M\n⊢ lookupFinsupp (singleton a m) = Finsupp.single a m", "tactic": "classical\nsimp only [← AList.insert_empty, insert_lookupFinsupp, empty_lookupFinsupp, Finsupp.zero_update]" }, { "state_after...
[ 126, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 122, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieSubmodule.coe_sub
[]
[ 208, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 207, 1 ]
Mathlib/NumberTheory/LegendreSymbol/ZModChar.lean
ZMod.χ₄_nat_mod_four
[ { "state_after": "no goals", "state_before": "n : ℕ\n⊢ ↑χ₄ ↑n = ↑χ₄ ↑(n % 4)", "tactic": "rw [← ZMod.nat_cast_mod n 4]" } ]
[ 59, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Topology/MetricSpace/IsometricSMul.lean
IsometryEquiv.mulLeft_symm
[]
[ 196, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 194, 1 ]
Mathlib/Logic/Equiv/Basic.lean
Function.Involutive.coe_toPerm
[]
[ 1708, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1707, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
ContinuousMultilinearMap.curryLeft_apply
[]
[ 1366, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1364, 1 ]
Mathlib/MeasureTheory/Function/Jacobian.lean
MeasureTheory.aemeasurable_ofReal_abs_det_fderivWithin
[ { "state_after": "E : Type u_1\nF : Type ?u.732733\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace ℝ E\ninst✝⁵ : FiniteDimensional ℝ E\ninst✝⁴ : NormedAddCommGroup F\ninst✝³ : NormedSpace ℝ F\ns : Set E\nf : E → E\nf' : E → E →L[ℝ] E\ninst✝² : MeasurableSpace E\ninst✝¹ : BorelSpace E\nμ : Measure E\ninst✝ ...
[ 767, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 761, 1 ]
Mathlib/Topology/Basic.lean
tendsto_pure_nhds
[]
[ 1055, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1053, 1 ]
Mathlib/Data/List/Count.lean
List.count_eq_zero_of_not_mem
[]
[ 255, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 254, 1 ]
Mathlib/Data/Multiset/FinsetOps.lean
Multiset.ndinter_cons_of_not_mem
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : DecidableEq α\ns✝ : Multiset α\na : α\ns t : Multiset α\nh : ¬a ∈ t\n⊢ ndinter (a ::ₘ s) t = ndinter s t", "tactic": "simp [ndinter, h]" } ]
[ 239, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Order/Disjoint.lean
isCompl_top_bot
[]
[ 626, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 625, 1 ]
Mathlib/MeasureTheory/Integral/IntervalIntegral.lean
ContinuousOn.intervalIntegrable_of_Icc
[]
[ 364, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Data/Nat/Choose/Basic.lean
Nat.choose_zero_succ
[]
[ 61, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Data/Nat/Log.lean
Nat.clog_zero_left
[]
[ 260, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 259, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.bounded_Ico
[]
[ 2546, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2545, 1 ]
Mathlib/Order/Heyting/Regular.lean
Heyting.isRegular_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : HeytingAlgebra α\na b : α\n⊢ IsRegular ⊤", "tactic": "rw [IsRegular, compl_top, compl_bot]" } ]
[ 66, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 66, 1 ]
Mathlib/Algebra/Ring/Commute.lean
mul_self_eq_mul_self_iff
[]
[ 161, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 159, 1 ]
Mathlib/Algebra/Associated.lean
Associated.ne_zero_iff
[]
[ 589, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 588, 1 ]
Mathlib/Topology/FiberBundle/Trivialization.lean
Trivialization.image_preimage_eq_prod_univ
[]
[ 455, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 448, 1 ]
Mathlib/Algebra/Lie/Solvable.lean
LieAlgebra.abelian_of_solvable_ideal_eq_bot_iff
[ { "state_after": "R : Type u\nL : Type v\nM : Type w\nL' : Type w₁\ninst✝⁴ : CommRing R\ninst✝³ : LieRing L\ninst✝² : LieAlgebra R L\ninst✝¹ : LieRing L'\ninst✝ : LieAlgebra R L'\nI✝ J : LieIdeal R L\nf : L' →ₗ⁅R⁆ L\nI : LieIdeal R L\nh : IsSolvable R { x // x ∈ ↑I }\n⊢ (match derivedLengthOfIdeal R L I with\n ...
[ 375, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 365, 1 ]
Mathlib/Analysis/Normed/Field/Basic.lean
nnnorm_zpow
[]
[ 591, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 590, 1 ]
Mathlib/Order/SupIndep.lean
CompleteLattice.independent_iff_supIndep
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.57697\nι : Type u_2\nι' : Type ?u.57703\ninst✝ : CompleteLattice α\ns : Finset ι\nf : ι → α\n⊢ Independent (f ∘ Subtype.val) ↔ Finset.SupIndep s f", "tactic": "classical\n rw [Finset.supIndep_iff_disjoint_erase]\n refine' Subtype....
[ 371, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.restrict_of_not_measurable
[]
[ 748, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 746, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.mk_bounded_set_le_of_infinite
[ { "state_after": "α : Type u\ninst✝ : Infinite α\nc : Cardinal\n⊢ (#{ t // (#↑t) ≤ c }) ≤ ((#α) + 1) ^ c", "state_before": "α : Type u\ninst✝ : Infinite α\nc : Cardinal\n⊢ (#{ t // (#↑t) ≤ c }) ≤ (#α) ^ c", "tactic": "refine' le_trans _ (by rw [← add_one_eq (aleph0_le_mk α)])" }, { "state_after"...
[ 1118, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1088, 1 ]
Mathlib/Init/Data/Subtype/Basic.lean
Subtype.tag_irrelevant
[]
[ 31, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 30, 1 ]
Mathlib/Algebra/Module/LocalizedModule.lean
IsLocalizedModule.mk'_add_mk'
[ { "state_after": "R : Type u_1\ninst✝⁷ : CommRing R\nS : Submonoid R\nM : Type u_3\nM' : Type u_2\nM'' : Type ?u.813645\ninst✝⁶ : AddCommMonoid M\ninst✝⁵ : AddCommMonoid M'\ninst✝⁴ : AddCommMonoid M''\ninst✝³ : Module R M\ninst✝² : Module R M'\ninst✝¹ : Module R M''\nf : M →ₗ[R] M'\ng : M →ₗ[R] M''\ninst✝ : IsL...
[ 930, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 927, 1 ]
Mathlib/Data/Real/Sqrt.lean
Real.div_sqrt
[ { "state_after": "case inl\nx : ℝ\nh : x ≤ 0\n⊢ x / sqrt x = sqrt x\n\ncase inr\nx : ℝ\nh : 0 < x\n⊢ x / sqrt x = sqrt x", "state_before": "x : ℝ\n⊢ x / sqrt x = sqrt x", "tactic": "cases' le_or_lt x 0 with h h" }, { "state_after": "no goals", "state_before": "case inl\nx : ℝ\nh : x ≤ 0\n⊢ x...
[ 423, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 420, 1 ]
Mathlib/LinearAlgebra/Matrix/Circulant.lean
Matrix.circulant_injective
[ { "state_after": "α : Type u_2\nβ : Type ?u.1368\nm : Type ?u.1371\nn : Type u_1\nR : Type ?u.1377\ninst✝ : AddGroup n\nv w : n → α\nh : circulant v = circulant w\n⊢ v = w", "state_before": "α : Type u_2\nβ : Type ?u.1368\nm : Type ?u.1371\nn : Type u_1\nR : Type ?u.1377\ninst✝ : AddGroup n\n⊢ Injective cir...
[ 65, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/Data/Quot.lean
Quotient.exact'
[]
[ 766, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 764, 1 ]
Mathlib/Algebra/Group/Conj.lean
IsConj.conjugatesOf_eq
[]
[ 294, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 293, 1 ]
Mathlib/Data/PNat/Basic.lean
PNat.lt_add_one_iff
[]
[ 170, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.card_mono
[]
[ 766, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 766, 1 ]
Mathlib/Topology/Algebra/Order/ProjIcc.lean
quotientMap_projIcc
[ { "state_after": "case h\nα : Type u_1\nβ : Type ?u.7984\nγ : Type ?u.7987\ninst✝⁴ : LinearOrder α\ninst✝³ : TopologicalSpace γ\na b c : α\nh : a ≤ b\ninst✝² : TopologicalSpace α\ninst✝¹ : OrderTopology α\ninst✝ : TopologicalSpace β\ns : Set ↑(Icc a b)\nhs : IsOpen (projIcc a b h ⁻¹' s)\nx✝ : { x // x ∈ Icc a b...
[ 48, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 46, 1 ]
Mathlib/LinearAlgebra/Prod.lean
LinearMap.coe_prodMap
[]
[ 314, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/Order/Filter/Cofinite.lean
Filter.disjoint_cofinite_left
[ { "state_after": "ι : Type ?u.4585\nα : Type u_1\nβ : Type ?u.4591\nl : Filter α\n⊢ (∃ i, Set.Finite i ∧ ∃ i', i' ∈ l ∧ i' ⊆ i) ↔ ∃ s, s ∈ l ∧ Set.Finite s", "state_before": "ι : Type ?u.4585\nα : Type u_1\nβ : Type ?u.4591\nl : Filter α\n⊢ Disjoint cofinite l ↔ ∃ s, s ∈ l ∧ Set.Finite s", "tactic": "si...
[ 134, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Algebra/Order/Floor.lean
Int.fract_add_int
[ { "state_after": "F : Type ?u.145603\nα : Type u_1\nβ : Type ?u.145609\ninst✝¹ : LinearOrderedRing α\ninst✝ : FloorRing α\nz : ℤ\na✝ a : α\nm : ℤ\n⊢ a + ↑m - ↑⌊a + ↑m⌋ = fract a", "state_before": "F : Type ?u.145603\nα : Type u_1\nβ : Type ?u.145609\ninst✝¹ : LinearOrderedRing α\ninst✝ : FloorRing α\nz : ℤ\...
[ 823, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 821, 1 ]
Mathlib/Data/Sign.lean
SignType.coe_zero
[]
[ 260, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 259, 1 ]
Mathlib/CategoryTheory/Subobject/Limits.lean
CategoryTheory.Limits.imageSubobject_iso_comp
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝⁴ : Category C\nX Y Z : C\nf✝ : X ⟶ Y\ninst✝³ : HasImage f✝\ninst✝² : HasEqualizers C\nX' : C\nh : X' ⟶ X\ninst✝¹ : IsIso h\nf : X ⟶ Y\ninst✝ : HasImage f\n⊢ inv (image.preComp h f) ≫ image.ι (h ≫ f) = image.ι f", "tactic": "simp" } ]
[ 438, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 435, 1 ]
Mathlib/Analysis/Calculus/ContDiffDef.lean
ftaylorSeriesWithin_univ
[ { "state_after": "case h\n𝕜 : Type u\ninst✝⁸ : NontriviallyNormedField 𝕜\nE : Type uE\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type uG\ninst✝³ : NormedAddCommGroup G\ninst✝² : NormedSpace 𝕜 G\nX : Type uX\ninst✝¹ : N...
[ 1602, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1599, 1 ]
Mathlib/NumberTheory/FermatPsp.lean
FermatPsp.pow_gt_exponent
[]
[ 142, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 141, 9 ]
Mathlib/Order/Filter/SmallSets.lean
Filter.Tendsto.smallSets_mono
[ { "state_after": "α : Type u_2\nβ : Type u_1\nι : Sort ?u.3977\nl l' la : Filter α\nlb : Filter β\ns t : α → Set β\nht : ∀ (t_1 : Set β), t_1 ∈ lb → ∀ᶠ (x : α) in la, t x ⊆ t_1\nhst : ∀ᶠ (x : α) in la, s x ⊆ t x\n⊢ ∀ (t : Set β), t ∈ lb → ∀ᶠ (x : α) in la, s x ⊆ t", "state_before": "α : Type u_2\nβ : Type u...
[ 139, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 136, 1 ]
Mathlib/Topology/DiscreteQuotient.lean
DiscreteQuotient.proj_bot_inj
[ { "state_after": "no goals", "state_before": "α : Type ?u.22242\nX : Type u_1\nY : Type ?u.22248\nZ : Type ?u.22251\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\ninst✝¹ : TopologicalSpace Z\nS : DiscreteQuotient X\ninst✝ : DiscreteTopology X\nx y : X\n⊢ proj ⊥ x = proj ⊥ y ↔ x = y", "tactic...
[ 271, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 271, 1 ]
Mathlib/Logic/Equiv/Set.lean
Equiv.preimage_image
[]
[ 99, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
RelEmbedding.ordinal_type_le
[]
[ 372, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 370, 1 ]
Mathlib/RingTheory/Multiplicity.lean
multiplicity.addValuation_apply
[]
[ 641, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 640, 1 ]
Mathlib/Topology/ContinuousOn.lean
continuousWithinAt_iff_continuousAt_restrict
[]
[ 549, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 547, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.nat_mul_aleph0
[ { "state_after": "no goals", "state_before": "α β : Type u\nn : ℕ\nhn : n ≠ 0\n⊢ 1 ≤ ↑n", "tactic": "rwa [← Nat.cast_one, natCast_le, Nat.one_le_iff_ne_zero]" } ]
[ 1644, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1641, 1 ]
Mathlib/RingTheory/ChainOfDivisors.lean
mem_normalizedFactors_factor_dvd_iso_of_mem_normalizedFactors
[ { "state_after": "M : Type u_2\ninst✝⁷ : CancelCommMonoidWithZero M\nN : Type u_1\ninst✝⁶ : CancelCommMonoidWithZero N\ninst✝⁵ : Unique Mˣ\ninst✝⁴ : Unique Nˣ\ninst✝³ : UniqueFactorizationMonoid M\ninst✝² : UniqueFactorizationMonoid N\ninst✝¹ : DecidableEq M\ninst✝ : DecidableEq N\nm p : M\nn : N\nhm : m ≠ 0\nh...
[ 429, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 398, 1 ]
Mathlib/Topology/Instances/Matrix.lean
Continuous.matrix_dotProduct
[]
[ 124, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/Algebra/Algebra/Unitization.lean
Unitization.inl_mul_inr
[ { "state_after": "no goals", "state_before": "R : Type u_1\nA : Type u_2\ninst✝² : Semiring R\ninst✝¹ : NonUnitalNonAssocSemiring A\ninst✝ : DistribMulAction R A\nr : R\na : A\n⊢ r • a + 0 • 0 + 0 * a = r • a", "tactic": "rw [smul_zero, add_zero, MulZeroClass.zero_mul, add_zero]" } ]
[ 421, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 417, 1 ]