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start
list
Mathlib/Data/Int/Bitwise.lean
Int.bit_negSucc
[ { "state_after": "b : Bool\nn : ℕ\n⊢ (2 * -[n+1] + bif b then 1 else 0) = -[2 * n + bif !b then 1 else 0+1]", "state_before": "b : Bool\nn : ℕ\n⊢ bit b -[n+1] = -[Nat.bit (!b) n+1]", "tactic": "rw [bit_val, Nat.bit_val]" }, { "state_after": "no goals", "state_before": "b : Bool\nn : ℕ\n⊢ (2 ...
[ 163, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 161, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.map_id
[]
[ 463, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 462, 1 ]
Mathlib/Order/BooleanAlgebra.lean
Bool.inf_eq_band
[]
[ 795, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 794, 1 ]
Mathlib/Order/Partition/Finpartition.lean
Finpartition.parts_bot
[]
[ 497, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 495, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
Subsemigroup.toAddSubsemigroup_closure
[]
[ 110, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/LinearAlgebra/TensorProduct.lean
TensorProduct.assoc_tmul
[]
[ 710, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 708, 1 ]
Mathlib/Data/ZMod/Basic.lean
ZMod.val_injective
[ { "state_after": "case zero\ninst✝ : NeZero Nat.zero\n⊢ Injective val\n\ncase succ\nn✝ : ℕ\ninst✝ : NeZero (Nat.succ n✝)\n⊢ Injective val", "state_before": "n : ℕ\ninst✝ : NeZero n\n⊢ Injective val", "tactic": "cases n" }, { "state_after": "case succ\nn✝ : ℕ\ninst✝ : NeZero (Nat.succ n✝)\na b : ...
[ 585, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/Algebra/Hom/Ring.lean
RingHom.ext_iff
[]
[ 541, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 540, 1 ]
Mathlib/Logic/Relation.lean
Relation.reflexive_reflTransGen
[]
[ 545, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 545, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_union
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.1027026\nγ : Type ?u.1027029\nδ : Type ?u.1027032\nm : MeasurableSpace α\nμ ν : Measure α\nf : α → ℝ≥0∞\nA B : Set α\nhB : MeasurableSet B\nhAB : Disjoint A B\n⊢ (∫⁻ (a : α) in A ∪ B, f a ∂μ) = (∫⁻ (a : α) in A, f a ∂μ) + ∫⁻ (a : α) in ...
[ 1229, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1227, 1 ]
Mathlib/Data/Vector/Mem.lean
Vector.mem_map_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nn : ℕ\na a' : α\nb : β\nv : Vector α n\nf : α → β\n⊢ b ∈ toList (map f v) ↔ ∃ a, a ∈ toList v ∧ f a = b", "tactic": "rw [Vector.toList_map, List.mem_map]" } ]
[ 81, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.mul_empty
[]
[ 363, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Topology/Algebra/OpenSubgroup.lean
OpenSubgroup.isClopen
[]
[ 185, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 184, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Ioi_subset_Ici_iff
[ { "state_after": "α : Type u_1\nβ : Type ?u.72950\ninst✝¹ : LinearOrder α\na a₁ a₂ b b₁ b₂ c d : α\ninst✝ : DenselyOrdered α\nh : Ioi b ⊆ Ici a\n⊢ a ≤ b", "state_before": "α : Type u_1\nβ : Type ?u.72950\ninst✝¹ : LinearOrder α\na a₁ a₂ b b₁ b₂ c d : α\ninst✝ : DenselyOrdered α\n⊢ Ioi b ⊆ Ici a ↔ a ≤ b", ...
[ 1181, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1177, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.diagonal_updateRow_single
[ { "state_after": "no goals", "state_before": "l : Type ?u.1233103\nm : Type ?u.1233106\nn : Type u_1\no : Type ?u.1233112\nm' : o → Type ?u.1233117\nn' : o → Type ?u.1233122\nR : Type ?u.1233125\nS : Type ?u.1233128\nα : Type v\nβ : Type w\nγ : Type ?u.1233135\nM : Matrix m n α\ni✝ : m\nj : n\nb : n → α\nc ...
[ 2868, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2866, 1 ]
Mathlib/Dynamics/Circle/RotationNumber/TranslationNumber.lean
CircleDeg1Lift.dist_map_zero_lt_of_semiconjBy
[]
[ 537, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 535, 1 ]
Mathlib/Algebra/Order/Floor.lean
Int.floor_le_sub_one_iff
[ { "state_after": "no goals", "state_before": "F : Type ?u.123144\nα : Type u_1\nβ : Type ?u.123150\ninst✝¹ : LinearOrderedRing α\ninst✝ : FloorRing α\nz : ℤ\na : α\n⊢ ⌊a⌋ ≤ z - 1 ↔ a < ↑z", "tactic": "rw [← floor_lt, le_sub_one_iff]" } ]
[ 668, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 668, 1 ]
Mathlib/Algebra/Group/Basic.lean
eq_of_one_div_eq_one_div
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.27621\nG : Type ?u.27624\ninst✝ : DivisionMonoid α\na b c : α\nh : 1 / a = 1 / b\n⊢ a = b", "tactic": "rw [← one_div_one_div a, h, one_div_one_div]" } ]
[ 455, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 454, 1 ]
Mathlib/LinearAlgebra/LinearPMap.lean
LinearPMap.add_domain
[]
[ 471, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 471, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.one_succAbove_zero
[ { "state_after": "no goals", "state_before": "n✝ m n : ℕ\n⊢ ↑(succAbove 1) 0 = 0", "tactic": "rfl" } ]
[ 2231, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2230, 1 ]
Mathlib/Algebra/Module/Submodule/Basic.lean
Submodule.mk_le_mk
[]
[ 98, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Analysis/BoxIntegral/Box/Basic.lean
BoxIntegral.Box.monotone_face
[]
[ 413, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 412, 1 ]
Mathlib/ModelTheory/Substructures.lean
FirstOrder.Language.Substructure.map_iSup_comap_of_surjective
[]
[ 647, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 645, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Multiequalizer.lean
CategoryTheory.Limits.Multicofork.ofSigmaCofork_ι_app_left
[]
[ 657, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 654, 1 ]
Mathlib/Topology/Bornology/Basic.lean
Bornology.ext_iff_isBounded
[ { "state_after": "case h_cobounded.a\nι : Type ?u.6300\nα : Type u_1\nβ : Type ?u.6306\nt t' : Bornology α\nh : ∀ (s : Set α), IsBounded s ↔ IsBounded s\ns : Set α\n⊢ s ∈ cobounded α ↔ s ∈ cobounded α", "state_before": "ι : Type ?u.6300\nα : Type u_1\nβ : Type ?u.6306\nt t' : Bornology α\nh : ∀ (s : Set α),...
[ 242, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Analysis/NormedSpace/lpSpace.lean
lp.sum_rpow_le_of_tendsto
[ { "state_after": "α : Type u_1\nE : α → Type u_2\np q : ℝ≥0∞\ninst✝¹ : (i : α) → NormedAddCommGroup (E i)\nι : Type u_3\nl : Filter ι\ninst✝ : NeBot l\n_i : Fact (1 ≤ p)\nhp : p ≠ ⊤\nC : ℝ\nF : ι → { x // x ∈ lp E p }\nhCF : ∀ᶠ (k : ι) in l, ‖F k‖ ≤ C\nf : (a : α) → E a\nhf : Tendsto (id fun i => ↑(F i)) l (𝓝 ...
[ 1156, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1141, 1 ]
Mathlib/Topology/UniformSpace/Completion.lean
UniformSpace.Completion.uniformContinuous_completionSeparationQuotientEquiv
[]
[ 661, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 659, 1 ]
Mathlib/Analysis/SpecialFunctions/Exp.lean
Real.tendsto_exp_atTop
[ { "state_after": "α : Type ?u.20985\nx y z : ℝ\nl : Filter α\nA : Tendsto (fun x => x + 1) atTop atTop\n⊢ Tendsto exp atTop atTop", "state_before": "α : Type ?u.20985\nx y z : ℝ\nl : Filter α\n⊢ Tendsto exp atTop atTop", "tactic": "have A : Tendsto (fun x : ℝ => x + 1) atTop atTop :=\n tendsto_atTop_ad...
[ 180, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 176, 1 ]
Mathlib/CategoryTheory/Idempotents/Karoubi.lean
CategoryTheory.Idempotents.Karoubi.comp_p
[ { "state_after": "no goals", "state_before": "C : Type u_1\ninst✝ : Category C\nP Q : Karoubi C\nf : Hom P Q\n⊢ f.f ≫ Q.p = f.f", "tactic": "rw [f.comm, assoc, assoc, Q.idem]" } ]
[ 93, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Analysis/Convex/StrictConvexBetween.lean
Wbtw.dist_le_max_dist
[ { "state_after": "case pos\nV : Type u_1\nP : Type u_2\ninst✝⁴ : NormedAddCommGroup V\ninst✝³ : NormedSpace ℝ V\ninst✝² : PseudoMetricSpace P\ninst✝¹ : NormedAddTorsor V P\ninst✝ : StrictConvexSpace ℝ V\np p₁ p₂ p₃ : P\nh : Wbtw ℝ p₁ p₂ p₃\nhp₁ : p₂ = p₁\n⊢ dist p₂ p ≤ max (dist p₁ p) (dist p₃ p)\n\ncase neg\nV...
[ 49, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 44, 1 ]
Mathlib/MeasureTheory/Integral/Average.lean
MeasureTheory.average_const
[ { "state_after": "no goals", "state_before": "α : Type u_1\nE : Type u_2\nF : Type ?u.232029\nm0 : MeasurableSpace α\ninst✝⁶ : NormedAddCommGroup E\ninst✝⁵ : NormedSpace ℝ E\ninst✝⁴ : CompleteSpace E\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace ℝ F\ninst✝¹ : CompleteSpace F\nμ : Measure α\ns : Set E...
[ 200, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 196, 1 ]
Std/Logic.lean
imp_iff_right
[]
[ 113, 86 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 113, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Basic.lean
Equiv.Perm.IsCycle.isConj_iff
[ { "state_after": "ι : Type ?u.3035426\nα : Type u_1\nβ : Type ?u.3035432\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nσ τ : Perm α\nhσ : IsCycle σ\nhτ : IsCycle τ\nh : IsConj σ τ\n⊢ card (support σ) = card (support τ)", "state_before": "ι : Type ?u.3035426\nα : Type u_1\nβ : Type ?u.3035432\ninst✝¹ : Decidab...
[ 1755, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1743, 1 ]
Mathlib/CategoryTheory/Monoidal/NaturalTransformation.lean
CategoryTheory.MonoidalNatIso.ofComponents.hom_app
[]
[ 169, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 167, 1 ]
Mathlib/Topology/LocallyFinite.lean
LocallyFinite.isClosed_iUnion
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nι' : Type ?u.8039\nα : Type ?u.8042\nX : Type u_2\nY : Type ?u.8048\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nf g : ι → Set X\nhf : LocallyFinite f\nhc : ∀ (i : ι), IsClosed (f i)\n⊢ IsClosed (⋃ (i : ι), f i)", "tactic": "simp o...
[ 139, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/Algebra/Ring/Semiconj.lean
SemiconjBy.neg_one_left
[]
[ 82, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 1 ]
Mathlib/GroupTheory/Index.lean
Subgroup.card_eq_one
[]
[ 504, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 503, 1 ]
Mathlib/Algebra/Star/Basic.lean
star_zsmul
[]
[ 311, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 310, 1 ]
Mathlib/Topology/Algebra/UniformMulAction.lean
uniformContinuousConstSMul_of_continuousConstSMul
[]
[ 70, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 65, 1 ]
Mathlib/Control/Functor/Multivariate.lean
MvFunctor.id_map'
[]
[ 115, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 114, 1 ]
Mathlib/Order/SuccPred/IntervalSucc.lean
Monotone.pairwise_disjoint_on_Ioo_pred
[]
[ 96, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 94, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.isCountablyGenerated_of_seq
[ { "state_after": "case intro\nα : Type u_1\nβ : Type ?u.110343\nγ : Type ?u.110346\nι : Type ?u.110349\nι' : Sort ?u.110352\nx : ℕ → Set α\n⊢ IsCountablyGenerated (⨅ (i : ℕ), 𝓟 (x i))", "state_before": "α : Type u_1\nβ : Type ?u.110343\nγ : Type ?u.110346\nι : Type ?u.110349\nι' : Sort ?u.110352\nf : Filte...
[ 1157, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1154, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Kernels.lean
CategoryTheory.Limits.eq_zero_of_mono_cokernel
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝³ : Category C\ninst✝² : HasZeroMorphisms C\nX Y : C\nf : X ⟶ Y\ninst✝¹ : HasCokernel f\ninst✝ : Mono (cokernel.π f)\n⊢ f ≫ cokernel.π f = 0 ≫ cokernel.π f", "tactic": "simp" } ]
[ 796, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 795, 1 ]
Mathlib/MeasureTheory/Constructions/BorelSpace/Basic.lean
AEMeasurable.isLUB
[ { "state_after": "case pos\nα : Type u_3\nβ : Type ?u.1154773\nγ : Type ?u.1154776\nγ₂ : Type ?u.1154779\nδ : Type u_2\nι✝ : Sort y\ns t u : Set α\ninst✝¹³ : TopologicalSpace α\ninst✝¹² : MeasurableSpace α\ninst✝¹¹ : BorelSpace α\ninst✝¹⁰ : TopologicalSpace β\ninst✝⁹ : MeasurableSpace β\ninst✝⁸ : BorelSpace β\n...
[ 1128, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1111, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.HasBasis.biInter_mem
[]
[ 824, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 822, 11 ]
Std/Data/Int/Lemmas.lean
Int.mul_neg_one
[ { "state_after": "no goals", "state_before": "a : Int\n⊢ a * -1 = -a", "tactic": "rw [Int.mul_neg, Int.mul_one]" } ]
[ 526, 90 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 526, 11 ]
Mathlib/Analysis/InnerProductSpace/Positive.lean
ContinuousLinearMap.isPositive_iff_complex
[ { "state_after": "𝕜 : Type ?u.285201\nE : Type ?u.285204\nF : Type ?u.285207\ninst✝⁹ : IsROrC 𝕜\ninst✝⁸ : NormedAddCommGroup E\ninst✝⁷ : NormedAddCommGroup F\ninst✝⁶ : InnerProductSpace 𝕜 E\ninst✝⁵ : InnerProductSpace 𝕜 F\ninst✝⁴ : CompleteSpace E\ninst✝³ : CompleteSpace F\nE' : Type u_1\ninst✝² : NormedAdd...
[ 129, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
ContinuousLinearMap.norm_compContinuousMultilinearMap_le
[]
[ 955, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 950, 1 ]
Mathlib/Topology/Algebra/Module/CharacterSpace.lean
WeakDual.CharacterSpace.union_zero_isClosed
[ { "state_after": "𝕜 : Type u_1\nA : Type u_2\ninst✝⁸ : CommSemiring 𝕜\ninst✝⁷ : TopologicalSpace 𝕜\ninst✝⁶ : ContinuousAdd 𝕜\ninst✝⁵ : ContinuousConstSMul 𝕜 𝕜\ninst✝⁴ : NonUnitalNonAssocSemiring A\ninst✝³ : TopologicalSpace A\ninst✝² : Module 𝕜 A\ninst✝¹ : T2Space 𝕜\ninst✝ : ContinuousMul 𝕜\n⊢ IsClosed...
[ 134, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Logic/Basic.lean
not_ball_of_bex_not
[]
[ 1083, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1082, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Order.lean
le_hasSum'
[]
[ 202, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 201, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.aleph0_le_mul_iff'
[ { "state_after": "α β : Type u\na b : Cardinal\nthis : ∀ {a : Cardinal}, ℵ₀ ≤ a → a ≠ 0\n⊢ ℵ₀ ≤ a * b ↔ a ≠ 0 ∧ ℵ₀ ≤ b ∨ ℵ₀ ≤ a ∧ b ≠ 0", "state_before": "α β : Type u\na b : Cardinal\n⊢ ℵ₀ ≤ a * b ↔ a ≠ 0 ∧ ℵ₀ ≤ b ∨ ℵ₀ ≤ a ∧ b ≠ 0", "tactic": "have : ∀ {a : Cardinal.{u}}, ℵ₀ ≤ a → a ≠ 0 := fun a => ne_...
[ 1586, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1583, 1 ]
Mathlib/Data/List/Indexes.lean
List.oldMapIdx_append
[ { "state_after": "α : Type u\nβ : Type v\nf : ℕ → α → β\nl : List α\ne : α\n⊢ List.oldMapIdx f (l ++ [e]) = List.oldMapIdx f l ++ [f (length l) e]", "state_before": "α : Type u\nβ : Type v\n⊢ ∀ (f : ℕ → α → β) (l : List α) (e : α), List.oldMapIdx f (l ++ [e]) = List.oldMapIdx f l ++ [f (length l) e]", "...
[ 102, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 11 ]
Mathlib/Algebra/Algebra/Unitization.lean
Unitization.inr_injective
[]
[ 138, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/Data/Nat/Fib.lean
Nat.fib_lt_fib_succ
[ { "state_after": "case intro\nn : ℕ\nhn : 2 ≤ 2 + n\n⊢ fib (2 + n) < fib (2 + n + 1)", "state_before": "n : ℕ\nhn : 2 ≤ n\n⊢ fib n < fib (n + 1)", "tactic": "rcases exists_add_of_le hn with ⟨n, rfl⟩" }, { "state_after": "case intro\nn : ℕ\nhn : 2 ≤ 2 + n\n⊢ 0 < fib (n + 1)", "state_before": ...
[ 118, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Data/List/Basic.lean
List.get_map_rev
[]
[ 1297, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1296, 1 ]
Mathlib/RingTheory/Coprime/Basic.lean
IsCoprime.mul_dvd
[ { "state_after": "case intro.intro\nR : Type u\ninst✝ : CommSemiring R\nx y z : R\nH1 : x ∣ z\nH2 : y ∣ z\na b : R\nh : a * x + b * y = 1\n⊢ x * y ∣ z", "state_before": "R : Type u\ninst✝ : CommSemiring R\nx y z : R\nH : IsCoprime x y\nH1 : x ∣ z\nH2 : y ∣ z\n⊢ x * y ∣ z", "tactic": "obtain ⟨a, b, h⟩ :=...
[ 126, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Data/Multiset/Nodup.lean
Multiset.nodup_of_le
[]
[ 66, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 65, 1 ]
Mathlib/Topology/Algebra/Valuation.lean
Valued.hasBasis_nhds_zero
[ { "state_after": "no goals", "state_before": "R : Type u\ninst✝¹ : Ring R\nΓ₀ : Type v\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\n_i : Valued R Γ₀\n⊢ Filter.HasBasis (𝓝 0) (fun x => True) fun γ => {x | ↑v x < ↑γ}", "tactic": "simp [Filter.hasBasis_iff, is_topological_valuation]" } ]
[ 122, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/Data/Set/Pointwise/Interval.lean
Set.image_sub_const_Ioo
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : OrderedAddCommGroup α\na b c : α\n⊢ (fun x => x - a) '' Ioo b c = Ioo (b - a) (c - a)", "tactic": "simp [sub_eq_neg_add]" } ]
[ 406, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 405, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.iInter_true
[]
[ 675, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 674, 1 ]
Std/Control/ForInStep/Lemmas.lean
ForInStep.bindList_nil
[]
[ 21, 56 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 20, 9 ]
Mathlib/Data/Fintype/Basic.lean
Set.toFinset_univ
[ { "state_after": "case a\nα : Type u_1\nβ : Type ?u.91847\nγ : Type ?u.91850\ns t : Set α\ninst✝¹ : Fintype α\ninst✝ : Fintype ↑univ\na✝ : α\n⊢ a✝ ∈ toFinset univ ↔ a✝ ∈ Finset.univ", "state_before": "α : Type u_1\nβ : Type ?u.91847\nγ : Type ?u.91850\ns t : Set α\ninst✝¹ : Fintype α\ninst✝ : Fintype ↑univ\...
[ 743, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 740, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.mem_of_max
[ { "state_after": "case empty\nF : Type ?u.314698\nα : Type u_1\nβ : Type ?u.314704\nγ : Type ?u.314707\nι : Type ?u.314710\nκ : Type ?u.314713\ninst✝ : LinearOrder α\n⊢ ∀ {a : α}, Finset.max ∅ = ↑a → a ∈ ∅\n\ncase insert\nF : Type ?u.314698\nα : Type u_1\nβ : Type ?u.314704\nγ : Type ?u.314707\nι : Type ?u.3147...
[ 1207, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1197, 1 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
stronglyMeasurable_iff_measurable
[]
[ 638, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 636, 1 ]
Mathlib/Data/Polynomial/Coeff.lean
Polynomial.coeff_monomial_mul
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type v\na b : R\nn✝ m : ℕ\ninst✝ : Semiring R\np✝ q r✝ p : R[X]\nn d : ℕ\nr : R\n⊢ coeff (↑(monomial n) r * p) (d + n) = r * coeff p d", "tactic": "rw [← C_mul_X_pow_eq_monomial, mul_assoc, coeff_C_mul, X_pow_mul, coeff_mul_X_pow]" } ]
[ 280, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 278, 1 ]
Mathlib/Data/Nat/Cast/Basic.lean
Nat.cast_le
[]
[ 133, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 132, 1 ]
Mathlib/GroupTheory/Finiteness.lean
Submonoid.FG.map_injective
[ { "state_after": "case intro\nM : Type u_2\nN : Type ?u.23387\ninst✝² : Monoid M\ninst✝¹ : AddMonoid N\nM' : Type u_1\ninst✝ : Monoid M'\nP : Submonoid M\ne : M →* M'\nhe : Function.Injective ↑e\ns : Finset M'\nhs : closure ↑s = Submonoid.map e P\n⊢ FG P", "state_before": "M : Type u_2\nN : Type ?u.23387\ni...
[ 164, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
zpow_mono_right
[ { "state_after": "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✝ : OrderedCommGroup α\nm✝ n✝ : ℤ\na b : α\nha : 1 ≤ a\nm n : ℤ\nh : m ≤ n\n⊢ a ^ (m + (n - m)) = a ^ n", "state_before": "α : Type u_1\nM : Type u\nN : Type v\nG : Type w\nH...
[ 343, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/Data/Real/Pi/Bounds.lean
Real.pi_lower_bound_start
[ { "state_after": "n : ℕ\na : ℝ\nh : sqrtTwoAddSeries (↑0 / ↑1) n ≤ 2 - (a / 2 ^ (n + 1)) ^ 2\n⊢ a ≤ 2 ^ (n + 1) * sqrt (2 - sqrtTwoAddSeries 0 n)", "state_before": "n : ℕ\na : ℝ\nh : sqrtTwoAddSeries (↑0 / ↑1) n ≤ 2 - (a / 2 ^ (n + 1)) ^ 2\n⊢ a < π", "tactic": "refine' lt_of_le_of_lt _ (pi_gt_sqrtTwoAdd...
[ 80, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Analysis/Convex/Hull.lean
convexHull_min
[]
[ 76, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Algebra/Order/Group/Abs.lean
abs_eq_max_neg
[]
[ 45, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 44, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_strict_mono_of_ae_le_of_ae_lt_on
[]
[ 949, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 945, 1 ]
Mathlib/Topology/Instances/Nat.lean
Nat.closedBall_eq_Icc
[ { "state_after": "case inl\nx : ℕ\nr : ℝ\nhr : 0 ≤ r\n⊢ closedBall x r = Icc ⌈↑x - r⌉₊ ⌊↑x + r⌋₊\n\ncase inr\nx : ℕ\nr : ℝ\nhr : r < 0\n⊢ closedBall x r = Icc ⌈↑x - r⌉₊ ⌊↑x + r⌋₊", "state_before": "x : ℕ\nr : ℝ\n⊢ closedBall x r = Icc ⌈↑x - r⌉₊ ⌊↑x + r⌋₊", "tactic": "rcases le_or_lt 0 r with (hr | hr)" ...
[ 66, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 58, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
measurable_quot_mk
[]
[ 504, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 504, 1 ]
Mathlib/Data/Real/NNReal.lean
Real.toNNReal_mul
[ { "state_after": "no goals", "state_before": "p q : ℝ\nhp : 0 ≤ p\n⊢ ↑(toNNReal (p * q)) = ↑(toNNReal p * toNNReal q)", "tactic": "simp [mul_max_of_nonneg, hp]" } ]
[ 704, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 702, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Split.lean
BoxIntegral.Box.splitUpper_eq_bot
[ { "state_after": "ι : Type u_1\nM : Type ?u.13653\nn : ℕ\nI : Box ι\ni✝ : ι\nx✝ : ℝ\ny : ι → ℝ\ni : ι\nx : ℝ\n⊢ (upper I i ≤ max x (lower I i) ∨ ∃ x x_1, upper I x ≤ lower I x) ↔ upper I i ≤ x", "state_before": "ι : Type u_1\nM : Type ?u.13653\nn : ℕ\nI : Box ι\ni✝ : ι\nx✝ : ℝ\ny : ι → ℝ\ni : ι\nx : ℝ\n⊢ sp...
[ 123, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/Geometry/Euclidean/Angle/Unoriented/Conformal.lean
InnerProductGeometry.IsConformalMap.preserves_angle
[ { "state_after": "case intro.intro.intro\nE : Type u_1\nF : Type u_2\ninst✝³ : NormedAddCommGroup E\ninst✝² : NormedAddCommGroup F\ninst✝¹ : InnerProductSpace ℝ E\ninst✝ : InnerProductSpace ℝ F\nu v : E\nc : ℝ\nhc : c ≠ 0\nli : E →ₗᵢ[ℝ] F\n⊢ angle (↑(c • LinearIsometry.toContinuousLinearMap li) u) (↑(c • Linear...
[ 33, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 30, 1 ]
Mathlib/Logic/Function/Conjugate.lean
Function.Semiconj.commute
[]
[ 93, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 93, 1 ]
Mathlib/Logic/Basic.lean
not_bex
[]
[ 1079, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1079, 1 ]
Mathlib/Analysis/Normed/Group/AddTorsor.lean
LipschitzWith.vsub
[]
[ 258, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 251, 1 ]
Mathlib/Order/Heyting/Boundary.lean
Coheyting.boundary_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : CoheytingAlgebra α\na b : α\n⊢ ∂ ⊤ = ⊥", "tactic": "rw [boundary, hnot_top, inf_bot_eq]" } ]
[ 66, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 66, 1 ]
Mathlib/Topology/Basic.lean
IsClosed.closure_subset_iff
[]
[ 450, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 449, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
ContDiffAt.add
[ { "state_after": "𝕜 : Type u_1\ninst✝¹⁰ : NontriviallyNormedField 𝕜\nD : Type uD\ninst✝⁹ : NormedAddCommGroup D\ninst✝⁸ : NormedSpace 𝕜 D\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 : Normed...
[ 1204, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1202, 1 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.subtypeRestr_def
[]
[ 1368, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1367, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.Tendsto.frequently_map
[]
[ 2850, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2847, 1 ]
Mathlib/RingTheory/Nilpotent.lean
isRadical_iff_span_singleton
[ { "state_after": "R S : Type u\nx y : R\ninst✝ : CommSemiring R\n⊢ (∀ (n : ℕ) (x : R), x ^ n ∈ Ideal.span {y} → x ∈ Ideal.span {y}) ↔ Ideal.IsRadical (Ideal.span {y})", "state_before": "R S : Type u\nx y : R\ninst✝ : CommSemiring R\n⊢ IsRadical y ↔ Ideal.IsRadical (Ideal.span {y})", "tactic": "simp_rw [...
[ 124, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/Algebra/Group/Basic.lean
mul_eq_of_eq_mul_inv
[ { "state_after": "no goals", "state_before": "α : Type ?u.52587\nβ : Type ?u.52590\nG : Type u_1\ninst✝ : Group G\na b c d : G\nh : a = c * b⁻¹\n⊢ a * b = c", "tactic": "simp [h]" } ]
[ 663, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 663, 1 ]
Mathlib/Order/CompleteLatticeIntervals.lean
sInf_within_of_ordConnected
[ { "state_after": "case intro\nα : Type u_1\ns✝ : Set α\ninst✝ : ConditionallyCompleteLinearOrder α\ns : Set α\nhs : OrdConnected s\nt : Set ↑s\nh_bdd : BddBelow t\nc : ↑s\nhct : c ∈ t\n⊢ sInf (Subtype.val '' t) ∈ s", "state_before": "α : Type u_1\ns✝ : Set α\ninst✝ : ConditionallyCompleteLinearOrder α\ns : ...
[ 154, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 148, 1 ]
Mathlib/AlgebraicTopology/SimplexCategory.lean
SimplexCategory.eq_σ_of_epi
[ { "state_after": "case intro.intro\nn : ℕ\nθ : [n + 1] ⟶ [n]\ninst✝ : Epi θ\ni : Fin (n + 1)\nθ' : [n] ⟶ [n]\nh : θ = σ i ≫ θ'\n⊢ ∃ i, θ = σ i", "state_before": "n : ℕ\nθ : [n + 1] ⟶ [n]\ninst✝ : Epi θ\n⊢ ∃ i, θ = σ i", "tactic": "rcases eq_σ_comp_of_not_injective θ (by\n by_contra h\n simpa using le_...
[ 743, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 734, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Basic.lean
Equiv.Perm.cycleOf_zpow_apply_self
[ { "state_after": "ι : Type ?u.2180524\nα : Type u_1\nβ : Type ?u.2180530\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nf✝ g : Perm α\nx✝ y : α\nf : Perm α\nx : α\nz : ℤ\n⊢ ↑(cycleOf f x ^ z) x = ↑(f ^ z) x", "state_before": "ι : Type ?u.2180524\nα : Type u_1\nβ : Type ?u.2180530\ninst✝¹ : DecidableEq α\ninst✝...
[ 997, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 992, 1 ]
Mathlib/Order/Monotone/Basic.lean
StrictAntiOn.antitoneOn
[]
[ 462, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 461, 11 ]
Mathlib/Algebra/Group/WithOne/Defs.lean
WithOne.coe_inv
[]
[ 215, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.filter_apply_pos
[ { "state_after": "no goals", "state_before": "ι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ninst✝¹ : (i : ι) → Zero (β i)\np : ι → Prop\ninst✝ : DecidablePred p\nf : Π₀ (i : ι), β i\ni : ι\nh : p i\n⊢ ↑(filter p f) i = ↑f i", "tactic": "simp only [filter_apply, if_pos h]" ...
[ 412, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 411, 1 ]
Mathlib/AlgebraicGeometry/SheafedSpace.lean
AlgebraicGeometry.SheafedSpace.Γ_map_op
[]
[ 221, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/Data/Finmap.lean
Finmap.lookup_singleton_eq
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : α → Type v\ninst✝ : DecidableEq α\na : α\nb : β a\n⊢ lookup a (singleton a b) = some b", "tactic": "rw [singleton, lookup_toFinmap, AList.singleton, AList.lookup, dlookup_cons_eq]" } ]
[ 308, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 307, 1 ]
Mathlib/Data/PFunctor/Univariate/Basic.lean
PFunctor.iget_map
[ { "state_after": "P : PFunctor\nα✝ β✝ : Type u\ninst✝² : DecidableEq P.A\nα β : Type u\ninst✝¹ : Inhabited α\ninst✝ : Inhabited β\nx : Obj P α\nf : α → β\ni : IdxCat P\nh : i.fst = x.fst\n⊢ Sigma.snd (f <$> x) (cast (_ : B P i.fst = B P (f <$> x).fst) i.snd) =\n f (Sigma.snd x (cast (_ : B P i.fst = B P x.fs...
[ 151, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 147, 1 ]
Mathlib/Algebra/Homology/HomologicalComplex.lean
HomologicalComplex.d_comp_eqToHom
[ { "state_after": "ι : Type u_1\nV : Type u\ninst✝¹ : Category V\ninst✝ : HasZeroMorphisms V\nc : ComplexShape ι\nC : HomologicalComplex V c\ni j : ι\nrij rij' : ComplexShape.Rel c i j\n⊢ d C i j ≫ eqToHom (_ : X C j = X C j) = d C i j", "state_before": "ι : Type u_1\nV : Type u\ninst✝¹ : Category V\ninst✝ :...
[ 322, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 319, 1 ]
Mathlib/Algebra/Hom/Group.lean
MonoidHom.map_zpow'
[]
[ 1303, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1301, 11 ]
Mathlib/Order/Filter/NAry.lean
Filter.NeBot.map₂
[]
[ 134, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]