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start
list
Mathlib/RingTheory/PrincipalIdealDomain.lean
gcd_dvd_iff_exists
[ { "state_after": "no goals", "state_before": "R : Type u\nM : Type v\ninst✝³ : CommRing R\ninst✝² : IsDomain R\ninst✝¹ : IsPrincipalIdealRing R\ninst✝ : GCDMonoid R\na b z : R\n⊢ gcd a b ∣ z ↔ ∃ x y, z = a * x + b * y", "tactic": "simp_rw [mul_comm a, mul_comm b, @eq_comm _ z, ← Ideal.mem_span_pair, ← s...
[ 379, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Init/Data/Int/Basic.lean
Int.natAbs_add_nonneg
[ { "state_after": "no goals", "state_before": "n m : ℕ\n⊢ 0 ≤ ofNat n → 0 ≤ ofNat m → natAbs (ofNat n + ofNat m) = natAbs (ofNat n) + natAbs (ofNat m)", "tactic": "simp" }, { "state_after": "no goals", "state_before": "x✝ : ℤ\nn : ℕ\n⊢ 0 ≤ x✝ → 0 ≤ -[n+1] → natAbs (x✝ + -[n+1]) = natAbs x✝ + ...
[ 139, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 135, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.aleph'_zero
[ { "state_after": "⊢ 0 ≤ alephIdx 0", "state_before": "⊢ aleph' 0 = 0", "tactic": "rw [← nonpos_iff_eq_zero, ← aleph'_alephIdx 0, aleph'_le]" }, { "state_after": "no goals", "state_before": "⊢ 0 ≤ alephIdx 0", "tactic": "apply Ordinal.zero_le" } ]
[ 199, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 197, 1 ]
src/lean/Init/Data/List/BasicAux.lean
List.sizeOf_lt_of_mem
[ { "state_after": "no goals", "state_before": "α : Type u_1\na : α\ninst✝ : SizeOf α\nas : List α\nh : a ∈ as\n⊢ sizeOf a < sizeOf as", "tactic": "induction h with\n| head => simp_arith\n| tail _ _ ih => exact Nat.lt_trans ih (by simp_arith)" }, { "state_after": "no goals", "state_before": "c...
[ 122, 57 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 119, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.coe_attach
[]
[ 1503, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1502, 1 ]
Mathlib/Data/Part.lean
Part.some_inj
[]
[ 222, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 221, 1 ]
Mathlib/SetTheory/ZFC/Ordinal.lean
ZFSet.IsTransitive.union
[ { "state_after": "x y z : ZFSet\nhx : IsTransitive x\nhy : IsTransitive y\n⊢ IsTransitive (⋃₀ {x, y})", "state_before": "x y z : ZFSet\nhx : IsTransitive x\nhy : IsTransitive y\n⊢ IsTransitive (x ∪ y)", "tactic": "rw [← sUnion_pair]" }, { "state_after": "x y z : ZFSet\nhx : IsTransitive x\nhy : ...
[ 87, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 11 ]
Mathlib/Topology/Order/Basic.lean
left_nhdsWithin_Ioo_neBot
[]
[ 2438, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2437, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.normalCore_le
[ { "state_after": "G : Type u_1\nG' : Type ?u.448898\ninst✝² : Group G\ninst✝¹ : Group G'\nA : Type ?u.448907\ninst✝ : AddGroup A\ns : Set G\nH : Subgroup G\na : G\nh : a ∈ normalCore H\n⊢ 1 * a * 1⁻¹ ∈ H", "state_before": "G : Type u_1\nG' : Type ?u.448898\ninst✝² : Group G\ninst✝¹ : Group G'\nA : Type ?u.4...
[ 2540, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2538, 1 ]
Mathlib/Data/List/Range.lean
List.mem_finRange
[ { "state_after": "case mk\nα : Type u\nn val✝ : ℕ\nisLt✝ : val✝ < n\n⊢ { val := ↑{ val := val✝, isLt := isLt✝ }, isLt := (_ : ↑{ val := val✝, isLt := isLt✝ } < n) } =\n { val := val✝, isLt := isLt✝ }", "state_before": "α : Type u\nn : ℕ\na : Fin n\n⊢ { val := ↑a, isLt := (_ : ↑a < n) } = a", "tactic"...
[ 143, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/Analysis/Analytic/Linear.lean
ContinuousLinearMap.analyticAt_bilinear
[]
[ 118, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 11 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometry.id_comp
[]
[ 407, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 406, 1 ]
Mathlib/Data/Nat/Parity.lean
Function.Involutive.iterate_bit1
[ { "state_after": "no goals", "state_before": "α : Type u_1\nf : α → α\nn✝ : ℕ\nhf : Involutive f\nn : ℕ\n⊢ f^[bit1 n] = f", "tactic": "rw [bit1, ←succ_eq_add_one, iterate_succ, hf.iterate_bit0, comp.left_id]" } ]
[ 306, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 305, 1 ]
Mathlib/MeasureTheory/Constructions/Prod/Integral.lean
MeasureTheory.AEStronglyMeasurable.prod_swap
[ { "state_after": "α : Type u_2\nα' : Type ?u.2385081\nβ : Type u_3\nβ' : Type ?u.2385087\nγ✝ : Type ?u.2385090\nE : Type ?u.2385093\ninst✝⁸ : MeasurableSpace α\ninst✝⁷ : MeasurableSpace α'\ninst✝⁶ : MeasurableSpace β\ninst✝⁵ : MeasurableSpace β'\ninst✝⁴ : MeasurableSpace γ✝\nμ μ' : Measure α\nν ν' : Measure β\n...
[ 185, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 8 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
PowerSeries.mul_inv_cancel
[]
[ 2159, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2158, 11 ]
Mathlib/Data/Set/NAry.lean
Set.mem_image3
[]
[ 234, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 233, 1 ]
Mathlib/RingTheory/Coprime/Lemmas.lean
IsCoprime.pow_iff
[]
[ 219, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 218, 1 ]
Mathlib/Data/Num/Lemmas.lean
ZNum.cast_inj
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : LinearOrderedRing α\nm n : ZNum\n⊢ ↑m = ↑n ↔ m = n", "tactic": "rw [← cast_to_int m, ← cast_to_int n, Int.cast_inj (α := α), to_int_inj]" } ]
[ 1417, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1416, 1 ]
Mathlib/Topology/SubsetProperties.lean
isCompact_univ_iff
[]
[ 716, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 715, 1 ]
Mathlib/Algebra/Hom/Equiv/Units/Basic.lean
Equiv.coe_mulLeft
[]
[ 128, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/Topology/Algebra/UniformGroup.lean
TopologicalGroup.t2Space_of_one_sep
[ { "state_after": "G : Type u_1\ninst✝² : CommGroup G\ninst✝¹ : TopologicalSpace G\ninst✝ : TopologicalGroup G\nH : ∀ (x : G), x ≠ 1 → ∃ U, U ∈ 𝓝 1 ∧ ¬x ∈ U\n⊢ ∀ (a : G), a ∈ {1}ᶜ → {1}ᶜ ∈ 𝓝 a", "state_before": "G : Type u_1\ninst✝² : CommGroup G\ninst✝¹ : TopologicalSpace G\ninst✝ : TopologicalGroup G\nH ...
[ 726, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 714, 1 ]
Mathlib/Topology/Bases.lean
Set.Finite.isSeparable
[]
[ 417, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 416, 1 ]
Mathlib/GroupTheory/MonoidLocalization.lean
Localization.mulEquivOfQuotient_symm_monoidOf
[]
[ 1730, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1728, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_eq_single_of_mem
[ { "state_after": "ι : Type ?u.371468\nβ : Type u\nα : Type v\nγ : Type w\ns✝ s₁ s₂ : Finset α\na✝ : α\nf✝ g : α → β\ninst✝ : CommMonoid β\ns : Finset α\nf : α → β\na : α\nh : a ∈ s\nh₀ : ∀ (b : α), b ∈ s → b ≠ a → f b = 1\nthis : DecidableEq α\n⊢ ∏ x in s, f x = f a", "state_before": "ι : Type ?u.371468\nβ ...
[ 796, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 787, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_rw₁
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.948452\nδ : Type ?u.948455\nm : MeasurableSpace α\nμ ν : Measure α\nf f' : α → β\nh✝ : f =ᵐ[μ] f'\ng : β → ℝ≥0∞\na : α\nh : f a = f' a\n⊢ g (f a) = g (f' a)", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.948452\nδ : Type ?u.948455\nm : Me...
[ 760, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 758, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Ordinal.card_le_card
[]
[ 621, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 620, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.map_equiv_eq_comap_symm
[]
[ 711, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 709, 1 ]
Mathlib/Data/Sum/Basic.lean
Sum.Not_isLeft
[ { "state_after": "no goals", "state_before": "α : Type u\nα' : Type w\nβ : Type v\nβ' : Type x\nγ : Type ?u.6982\nδ : Type ?u.6985\nx y : α ⊕ β\n⊢ ¬isLeft x = true ↔ isRight x = true", "tactic": "simp" } ]
[ 133, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
AddValuation.map_add_of_distinct_val
[]
[ 807, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 806, 1 ]
Std/Data/Nat/Lemmas.lean
Nat.add_self_ne_one
[]
[ 118, 28 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 115, 11 ]
Mathlib/Analysis/Normed/Group/Basic.lean
norm_div_eq_zero_iff
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.1226326\n𝕜 : Type ?u.1226329\nα : Type ?u.1226332\nι : Type ?u.1226335\nκ : Type ?u.1226338\nE : Type u_1\nF : Type ?u.1226344\nG : Type ?u.1226347\ninst✝¹ : NormedGroup E\ninst✝ : NormedGroup F\na b : E\n⊢ ‖a / b‖ = 0 ↔ a = b", "tactic": "rw [...
[ 1989, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1989, 1 ]
Std/Logic.lean
or_or_distrib_right
[ { "state_after": "no goals", "state_before": "a b c : Prop\n⊢ (a ∨ b) ∨ c ↔ (a ∨ c) ∨ b ∨ c", "tactic": "rw [or_or_or_comm, or_self]" } ]
[ 285, 94 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 285, 1 ]
Mathlib/Topology/Algebra/UniformGroup.lean
CauchySeq.inv
[]
[ 463, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 461, 1 ]
Mathlib/Order/Filter/Prod.lean
Filter.mem_prod_iff_right
[ { "state_after": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.15882\nδ : Type ?u.15885\nι : Sort ?u.15888\ns✝ : Set α\nt : Set β\nf✝ : Filter α\ng✝ : Filter β\ns : Set (α × β)\nf : Filter α\ng : Filter β\n⊢ (∃ t, t ∈ g ∧ ∀ᶠ (y : α) in f, ∀ (x : β), x ∈ t → (x, y) ∈ (fun p => (p.snd, p.fst)) ⁻¹' s) ↔\n ∃ t, t ∈ g...
[ 267, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 265, 1 ]
Mathlib/Analysis/SpecialFunctions/Sqrt.lean
ContDiffWithinAt.sqrt
[]
[ 170, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Topology/VectorBundle/Basic.lean
VectorBundleCore.trivializationAt_coordChange_eq
[]
[ 833, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 828, 1 ]
Mathlib/FieldTheory/Finite/Basic.lean
FiniteField.cast_card_eq_zero
[ { "state_after": "no goals", "state_before": "K : Type u_1\nR : Type ?u.404199\ninst✝¹ : Field K\ninst✝ : Fintype K\n⊢ ↑q = 0", "tactic": "simp" } ]
[ 169, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Data/Set/Ncard.lean
Set.ncard_le_one
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.149272\ns t : Set α\na b x y : α\nf : α → β\nhs : autoParam (Set.Finite s) _auto✝\n⊢ ncard s ≤ 1 ↔ ∀ (a : α), a ∈ s → ∀ (b : α), b ∈ s → a = b", "tactic": "simp_rw [ncard_eq_toFinset_card _ hs, Finset.card_le_one, Finite.mem_toFinse...
[ 663, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 661, 1 ]
Mathlib/Order/Lattice.lean
Pi.inf_def
[]
[ 1025, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1024, 1 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
MvPowerSeries.X_dvd_iff
[ { "state_after": "σ : Type u_1\nR : Type u_2\ninst✝ : Semiring R\ns : σ\nφ : MvPowerSeries σ R\n⊢ (∀ (m : σ →₀ ℕ), ↑m s < 1 → ↑(coeff R m) φ = 0) ↔ ∀ (m : σ →₀ ℕ), ↑m s = 0 → ↑(coeff R m) φ = 0", "state_before": "σ : Type u_1\nR : Type u_2\ninst✝ : Semiring R\ns : σ\nφ : MvPowerSeries σ R\n⊢ X s ∣ φ ↔ ∀ (m ...
[ 799, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 794, 1 ]
Mathlib/Topology/Bornology/Basic.lean
Bornology.isBounded_biUnion
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : Type u_2\nβ : Type ?u.7851\ns✝ : Set α\ninst✝ : Bornology α\ns : Set ι\nf : ι → Set α\nhs : Set.Finite s\n⊢ IsBounded (⋃ (i : ι) (_ : i ∈ s), f i) ↔ ∀ (i : ι), i ∈ s → IsBounded (f i)", "tactic": "simp only [← isCobounded_compl_iff, compl_i...
[ 286, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 284, 1 ]
Mathlib/LinearAlgebra/LinearIndependent.lean
LinearIndependent.totalEquiv_apply_coe
[]
[ 768, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 767, 1 ]
Mathlib/Order/Circular.lean
Btw.btw.cyclic_left
[]
[ 170, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 169, 1 ]
Mathlib/Algebra/MonoidAlgebra/Basic.lean
AddMonoidAlgebra.ringHom_ext'
[]
[ 1834, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1828, 1 ]
Mathlib/Data/Int/GCD.lean
Int.lcm_one_right
[ { "state_after": "i : ℤ\n⊢ Nat.lcm (natAbs i) (natAbs 1) = natAbs i", "state_before": "i : ℤ\n⊢ lcm i 1 = natAbs i", "tactic": "rw [Int.lcm]" }, { "state_after": "no goals", "state_before": "i : ℤ\n⊢ Nat.lcm (natAbs i) (natAbs 1) = natAbs i", "tactic": "apply Nat.lcm_one_right" } ]
[ 474, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 472, 1 ]
Mathlib/Computability/Reduce.lean
ManyOneReducible.trans
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\ninst✝² : Primcodable α\ninst✝¹ : Primcodable β\ninst✝ : Primcodable γ\np : α → Prop\nq : β → Prop\nr : γ → Prop\nf : α → β\nc₁ : Computable f\nh₁ : ∀ (a : α), p a ↔ q (f a)\ng : β → γ\nc₂ : Computable g\nh₂ : ∀ (a : β), q a ↔ r (g a)\na : α\nh : p a\n⊢...
[ 65, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Mathlib/Data/Set/Function.lean
Set.MapsTo.union
[]
[ 471, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 470, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.mulIndicator_le_mulIndicator
[]
[ 816, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 815, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Add.lean
differentiableAt_neg_iff
[ { "state_after": "no goals", "state_before": "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.414413\ninst✝³ : NormedAddCommGroup G\ninst✝² : Normed...
[ 434, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 433, 1 ]
Mathlib/Algebra/Homology/Exact.lean
CategoryTheory.exact_iso_comp
[ { "state_after": "V : Type u\ninst✝⁴ : Category V\ninst✝³ : HasImages V\nA B C D : V\nf : A ⟶ B\ng : B ⟶ C\nh : C ⟶ D\ninst✝² : HasZeroMorphisms V\ninst✝¹ : HasEqualizers V\ninst✝ : IsIso f\nw : Exact (f ≫ g) h\n⊢ Exact (inv f ≫ f ≫ g) h", "state_before": "V : Type u\ninst✝⁴ : Category V\ninst✝³ : HasImages...
[ 201, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Analysis/NormedSpace/ContinuousAffineMap.lean
ContinuousAffineMap.contLinear_eq_zero_iff_exists_const
[ { "state_after": "𝕜 : Type ?u.49821\nR : Type u_1\nV : Type u_2\nW : Type u_3\nW₂ : Type ?u.49833\nP : Type u_4\nQ : Type u_5\nQ₂ : Type ?u.49842\ninst✝¹⁶ : NormedAddCommGroup V\ninst✝¹⁵ : MetricSpace P\ninst✝¹⁴ : NormedAddTorsor V P\ninst✝¹³ : NormedAddCommGroup W\ninst✝¹² : MetricSpace Q\ninst✝¹¹ : NormedAdd...
[ 122, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 110, 1 ]
Mathlib/CategoryTheory/StructuredArrow.lean
CategoryTheory.CostructuredArrow.id_left
[]
[ 326, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_add_nat
[ { "state_after": "no goals", "state_before": "x✝ y✝ z x : ℝ\nhx : x ≠ 0\ny : ℝ\nn : ℕ\n⊢ x ^ (y + ↑n) = x ^ y * x ^ n", "tactic": "simpa using rpow_add_int hx y n" } ]
[ 334, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 333, 1 ]
Mathlib/Analysis/Calculus/ContDiffDef.lean
ContDiffWithinAt.congr_of_eventuallyEq_insert
[]
[ 460, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 457, 1 ]
Mathlib/Topology/Homeomorph.lean
Homeomorph.comp_continuousOn_iff
[]
[ 406, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 404, 1 ]
Mathlib/RingTheory/Coprime/Basic.lean
IsCoprime.of_mul_left_right
[ { "state_after": "R : Type u\ninst✝ : CommSemiring R\nx y z : R\nH : IsCoprime (y * x) z\n⊢ IsCoprime y z", "state_before": "R : Type u\ninst✝ : CommSemiring R\nx y z : R\nH : IsCoprime (x * y) z\n⊢ IsCoprime y z", "tactic": "rw [mul_comm] at H" }, { "state_after": "no goals", "state_before"...
[ 136, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Analysis/Convex/Between.lean
Wbtw.trans_left_ne
[ { "state_after": "R : Type u_1\nV : Type u_2\nV' : Type ?u.319792\nP : Type u_3\nP' : Type ?u.319798\ninst✝⁷ : OrderedRing R\ninst✝⁶ : AddCommGroup V\ninst✝⁵ : Module R V\ninst✝⁴ : AddTorsor V P\ninst✝³ : AddCommGroup V'\ninst✝² : Module R V'\ninst✝¹ : AddTorsor V' P'\ninst✝ : NoZeroSMulDivisors R V\nw x y : P\...
[ 508, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 505, 1 ]
Mathlib/NumberTheory/Zsqrtd/Basic.lean
Zsqrtd.mul_pos
[]
[ 996, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 992, 11 ]
Mathlib/Data/List/Destutter.lean
List.destutter'_cons_neg
[ { "state_after": "no goals", "state_before": "α : Type u_1\nl : List α\nR : α → α → Prop\ninst✝ : DecidableRel R\na b : α\nh : ¬R b a\n⊢ destutter' R b (a :: l) = destutter' R b l", "tactic": "rw [destutter', if_neg h]" } ]
[ 57, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.map_id
[]
[ 1857, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1856, 1 ]
Mathlib/Data/Finset/LocallyFinite.lean
Finset.Ico_filter_le_of_left_le
[ { "state_after": "case a\nι : Type ?u.32776\nα : Type u_1\ninst✝² : Preorder α\ninst✝¹ : LocallyFiniteOrder α\na✝ a₁ a₂ b✝ b₁ b₂ c✝ x✝ a b c : α\ninst✝ : DecidablePred ((fun x x_1 => x ≤ x_1) c)\nhac : a ≤ c\nx : α\n⊢ x ∈ filter ((fun x x_1 => x ≤ x_1) c) (Ico a b) ↔ x ∈ Ico c b", "state_before": "ι : Type ...
[ 346, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 342, 1 ]
Mathlib/Data/Set/Sups.lean
Set.infs_nonempty
[]
[ 271, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 270, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
mul_lt_mul_of_neg_right
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type ?u.84801\ninst✝ : StrictOrderedRing α\na b c : α\nh : b < a\nhc : c < 0\n⊢ a * c < b * c", "tactic": "simpa only [mul_neg, neg_lt_neg_iff] using mul_lt_mul_of_pos_right h (neg_pos_of_neg hc)" } ]
[ 695, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 694, 1 ]
Mathlib/Topology/Sets/Compacts.lean
TopologicalSpace.PositiveCompacts.map_id
[]
[ 408, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 407, 1 ]
Mathlib/MeasureTheory/Measure/Haar/NormedSpace.lean
MeasureTheory.integrable_comp_mul_left_iff
[ { "state_after": "no goals", "state_before": "F : Type u_1\ninst✝ : NormedAddCommGroup F\ng : ℝ → F\nR : ℝ\nhR : R ≠ 0\n⊢ (Integrable fun x => g (R * x)) ↔ Integrable g", "tactic": "simpa only [smul_eq_mul] using integrable_comp_smul_iff volume g hR" } ]
[ 163, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Complex.lean
Real.mul_lt_sin
[ { "state_after": "x : ℝ\nhx : 0 < x\nhx' : x < π / 2\n⊢ (π / 2)⁻¹ * x < sin x", "state_before": "x : ℝ\nhx : 0 < x\nhx' : x < π / 2\n⊢ 2 / π * x < sin x", "tactic": "rw [← inv_div]" }, { "state_after": "no goals", "state_before": "x : ℝ\nhx : 0 < x\nhx' : x < π / 2\n⊢ (π / 2)⁻¹ * x < sin x",...
[ 244, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 241, 1 ]
Std/Data/List/Lemmas.lean
List.length_eq_one
[ { "state_after": "no goals", "state_before": "α : Type u_1\nl : List α\nx✝ : ∃ a, l = [a]\nw✝ : α\nh : l = [w✝]\n⊢ length l = 1", "tactic": "simp [h]" } ]
[ 54, 77 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 53, 1 ]
Mathlib/Data/MvPolynomial/Comap.lean
MvPolynomial.comap_eq_id_of_eq_id
[ { "state_after": "case h.e'_2.h.e'_5\nσ : Type u_2\nτ : Type ?u.140744\nυ : Type ?u.140747\nR : Type u_1\ninst✝ : CommSemiring R\nf : MvPolynomial σ R →ₐ[R] MvPolynomial σ R\nhf : ∀ (φ : MvPolynomial σ R), ↑f φ = φ\nx : σ → R\n⊢ f = AlgHom.id R (MvPolynomial σ R)", "state_before": "σ : Type u_2\nτ : Type ?u...
[ 90, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
BilinForm.isAlt_neg
[]
[ 1005, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1004, 1 ]
Mathlib/Data/Multiset/LocallyFinite.lean
Multiset.map_add_right_Ico
[ { "state_after": "α : Type u_1\ninst✝² : OrderedCancelAddCommMonoid α\ninst✝¹ : ExistsAddOfLE α\ninst✝ : LocallyFiniteOrder α\na b c : α\n⊢ map (fun x => c + x) (Ico a b) = Ico (c + a) (c + b)", "state_before": "α : Type u_1\ninst✝² : OrderedCancelAddCommMonoid α\ninst✝¹ : ExistsAddOfLE α\ninst✝ : LocallyFi...
[ 316, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 1 ]
Mathlib/Algebra/ContinuedFractions/TerminatedStable.lean
GeneralizedContinuedFraction.convergents_stable_of_terminated
[ { "state_after": "no goals", "state_before": "K : Type u_1\ng : GeneralizedContinuedFraction K\nn m : ℕ\ninst✝ : DivisionRing K\nn_le_m : n ≤ m\nterminated_at_n : TerminatedAt g n\n⊢ convergents g m = convergents g n", "tactic": "simp only [convergents, denominators_stable_of_terminated n_le_m terminate...
[ 91, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.map_nhdsWithin_eq
[]
[ 387, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 379, 1 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.natDegree_of_c_eq_zero'
[]
[ 439, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 438, 1 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometryEquiv.surjective
[]
[ 998, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 997, 11 ]
Mathlib/Data/List/BigOperators/Basic.lean
List.prod_concat
[ { "state_after": "no goals", "state_before": "ι : Type ?u.9150\nα : Type ?u.9153\nM : Type u_1\nN : Type ?u.9159\nP : Type ?u.9162\nM₀ : Type ?u.9165\nG : Type ?u.9168\nR : Type ?u.9171\ninst✝² : Monoid M\ninst✝¹ : Monoid N\ninst✝ : Monoid P\nl l₁ l₂ : List M\na : M\n⊢ prod (concat l a) = prod l * a", "...
[ 62, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Mathlib/LinearAlgebra/Ray.lean
SameRay.sameRay_comm
[]
[ 103, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/Init/Algebra/Order.lean
le_of_not_ge
[]
[ 304, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 303, 1 ]
Mathlib/GroupTheory/GroupAction/ConjAct.lean
ConjAct.toConjAct_ofConjAct
[]
[ 109, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/CategoryTheory/Linear/Yoneda.lean
CategoryTheory.whiskering_linearCoyoneda
[]
[ 88, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/GroupTheory/MonoidLocalization.lean
Submonoid.LocalizationMap.eq'
[ { "state_after": "no goals", "state_before": "M : Type u_1\ninst✝² : CommMonoid M\nS : Submonoid M\nN : Type u_2\ninst✝¹ : CommMonoid N\nP : Type ?u.871897\ninst✝ : CommMonoid P\nf : LocalizationMap S N\na₁ b₁ : M\na₂ b₂ : { x // x ∈ S }\n⊢ mk' f a₁ a₂ = mk' f b₁ b₂ ↔ ↑(Localization.r S) (a₁, a₂) (b₁, b₂)",...
[ 794, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 792, 11 ]
Mathlib/Data/Set/Basic.lean
Set.diff_diff_eq_sdiff_union
[]
[ 1593, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1593, 1 ]
Mathlib/LinearAlgebra/Matrix/Charpoly/LinearMap.lean
Matrix.represents_iff'
[ { "state_after": "case mp\nι : Type u_1\ninst✝⁴ : Fintype ι\nM : Type u_3\ninst✝³ : AddCommGroup M\nR : Type u_2\ninst✝² : CommRing R\ninst✝¹ : Module R M\nI : Ideal R\nb : ι → M\nhb : Submodule.span R (Set.range b) = ⊤\ninst✝ : DecidableEq ι\nA : Matrix ι ι R\nf : Module.End R M\n⊢ Represents b A f → ∀ (j : ι)...
[ 116, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.smul_def
[]
[ 899, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 898, 11 ]
Mathlib/Data/Set/Function.lean
Set.mapsTo_singleton
[]
[ 400, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 399, 1 ]
Mathlib/Analysis/SpecialFunctions/CompareExp.lean
Complex.IsExpCmpFilter.of_isBigO_im_re_pow
[ { "state_after": "l : Filter ℂ\nhre : Tendsto re l atTop\nn : ℕ\nhr : im =O[l] fun z => z.re ^ n\n⊢ im =O[l] fun z => z.re ^ ↑n", "state_before": "l : Filter ℂ\nhre : Tendsto re l atTop\nn : ℕ\nhr : im =O[l] fun z => z.re ^ ↑n\n⊢ im =O[l] fun z => z.re ^ ↑n", "tactic": "norm_cast at hr" }, { "st...
[ 77, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Order/Filter/Germ.lean
Filter.Germ.const_inj
[]
[ 265, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.comap_snd_neBot_iff
[ { "state_after": "case inl\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.268461\nι : Sort x\nf✝ f₁ f₂ : Filter α\ng g₁ g₂ : Filter β\nm : α → β\nm' : β → γ\ns : Set α\nt : Set β\nf : Filter β\nhα : IsEmpty α\n⊢ NeBot (comap Prod.snd f) ↔ Nonempty α ∧ NeBot f\n\ncase inr\nα : Type u\nβ : Type v\nγ : Type w\nδ...
[ 2393, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2389, 1 ]
Mathlib/Data/List/OfFn.lean
List.ofFn_fin_append
[ { "state_after": "no goals", "state_before": "α : Type u\nm n : ℕ\na : Fin m → α\nb : Fin n → α\n⊢ ofFn (Fin.append a b) = ofFn a ++ ofFn b", "tactic": "simp_rw [ofFn_add, Fin.append_left, Fin.append_right]" } ]
[ 163, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/Analysis/Complex/Conformal.lean
isConformalMap_complex_linear_conj
[]
[ 72, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/Algebra/Order/AbsoluteValue.lean
IsAbsoluteValue.abv_zero
[]
[ 350, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 349, 1 ]
Mathlib/FieldTheory/Subfield.lean
Subfield.sub_mem
[]
[ 275, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 11 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.foldr_induction'
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.132443\nf : α → β → β\nH : LeftCommutative f\nx : β\nq : α → Prop\np : β → Prop\nhpqf : ∀ (a : α) (b : β), q a → p b → p (f a b)\npx : p x\n⊢ ∀ (s : Multiset α), (∀ (a : α), a ∈ s → q a) → p (foldr f H x s)", "state_before": "α : Type u_1\nβ : Type u...
[ 1438, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1430, 1 ]
Mathlib/NumberTheory/Fermat4.lean
not_fermat_42
[ { "state_after": "a b c : ℤ\nha : a ≠ 0\nhb : b ≠ 0\nh : a ^ 4 + b ^ 4 = c ^ 2\n⊢ False", "state_before": "a b c : ℤ\nha : a ≠ 0\nhb : b ≠ 0\n⊢ a ^ 4 + b ^ 4 ≠ c ^ 2", "tactic": "intro h" }, { "state_after": "case intro.intro.intro.intro.intro\na b c : ℤ\nha : a ≠ 0\nhb : b ≠ 0\nh : a ^ 4 + b ^ ...
[ 310, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 306, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.vsub_union
[]
[ 1543, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1542, 1 ]
Mathlib/Order/Max.lean
not_isMin
[]
[ 351, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 350, 1 ]
Mathlib/FieldTheory/Adjoin.lean
IntermediateField.coe_top
[]
[ 104, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Data/Finset/Image.lean
Finset.coe_map
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.9518\nf✝ : α ↪ β\ns✝ : Finset α\nf : α ↪ β\ns : Finset α\n⊢ ∀ (x : β), x ∈ ↑(map f s) ↔ x ∈ ↑f '' ↑s", "tactic": "simp only [mem_coe, mem_map, Set.mem_image, implies_true]" } ]
[ 105, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/Analysis/SpecialFunctions/Exponential.lean
hasStrictFDerivAt_exp
[]
[ 184, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 183, 1 ]
Mathlib/Topology/Compactification/OnePoint.lean
OnePoint.insert_infty_range_coe
[]
[ 127, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 126, 1 ]
Mathlib/Data/Sigma/Interval.lean
Sigma.card_Ico
[]
[ 68, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]