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start
list
Mathlib/Data/ENat/Basic.lean
ENat.coe_mul
[]
[ 91, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.mul_eq_map₂
[]
[ 565, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 564, 1 ]
Mathlib/GroupTheory/Submonoid/Operations.lean
MonoidHom.mker_prod_map
[ { "state_after": "no goals", "state_before": "M : Type u_3\nN : Type u_4\nP : Type ?u.142244\ninst✝⁵ : MulOneClass M\ninst✝⁴ : MulOneClass N\ninst✝³ : MulOneClass P\nS : Submonoid M\nA : Type ?u.142265\ninst✝² : SetLike A M\nhA : SubmonoidClass A M\nS' : A\nF : Type ?u.142289\nmc : MonoidHomClass F M N\nM' ...
[ 1227, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1225, 1 ]
Mathlib/CategoryTheory/Limits/ExactFunctor.lean
CategoryTheory.LeftExactFunctor.forget_obj_of
[]
[ 246, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 244, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.mem_inter
[ { "state_after": "α : Type u_1\nβ : Type ?u.176256\nγ : Type ?u.176259\ninst✝ : DecidableEq α\ns t u : Multiset α\na b : α\nx✝ : a ∈ s ∧ a ∈ t\nh₁ : a ∈ s\nh₂ : a ∈ t\n⊢ a ∈ a ::ₘ erase s a ∩ erase t a", "state_before": "α : Type u_1\nβ : Type ?u.176256\nγ : Type ?u.176259\ninst✝ : DecidableEq α\ns t u : Mu...
[ 1794, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1792, 1 ]
Mathlib/Algebra/Order/WithZero.lean
inv_mul_lt_of_lt_mul₀
[ { "state_after": "α : Type u_1\na b c d x y z : α\ninst✝ : LinearOrderedCommGroupWithZero α\nh : x < z * y\n⊢ x * y⁻¹ < z", "state_before": "α : Type u_1\na b c d x y z : α\ninst✝ : LinearOrderedCommGroupWithZero α\nh : x < y * z\n⊢ y⁻¹ * x < z", "tactic": "rw [mul_comm] at *" }, { "state_after"...
[ 200, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.lipschitz_comp
[ { "state_after": "case h\nF : Type ?u.376927\nα : Type u\nβ : Type v\nγ : Type w\ninst✝² : TopologicalSpace α\ninst✝¹ : PseudoMetricSpace β\ninst✝ : PseudoMetricSpace γ\nf✝ g✝ : α →ᵇ β\nx✝ : α\nC✝ : ℝ\nG : β → γ\nC : ℝ≥0\nH : LipschitzWith C G\nf g : α →ᵇ β\nx : α\n⊢ dist (↑f x) (↑g x) ≤ dist f g", "state_b...
[ 430, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 424, 1 ]
Mathlib/CategoryTheory/Sites/SheafOfTypes.lean
CategoryTheory.Equalizer.Sieve.w
[ { "state_after": "case w\nC : Type u₁\ninst✝ : Category C\nP : Cᵒᵖ ⥤ Type (max v₁ u₁)\nX : C\nR : Presieve X\nS : Sieve X\n⊢ ∀ (j : Discrete ((Y : C) × (Z : C) × (_ : Z ⟶ Y) × { f' // S.arrows f' })),\n (forkMap P S.arrows ≫ firstMap P S) ≫ limit.π (Discrete.functor fun f => P.obj f.snd.fst.op) j =\n (f...
[ 890, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 887, 1 ]
Mathlib/Combinatorics/SimpleGraph/Ends/Defs.lean
SimpleGraph.ComponentCompl.nonempty
[]
[ 117, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 11 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.erase_zero
[ { "state_after": "R : Type u\na b : R\nm n✝ : ℕ\ninst✝ : Semiring R\np q : R[X]\nn : ℕ\n⊢ Finsupp.erase n 0 = 0", "state_before": "R : Type u\na b : R\nm n✝ : ℕ\ninst✝ : Semiring R\np q : R[X]\nn : ℕ\n⊢ (erase n 0).toFinsupp = 0.toFinsupp", "tactic": "simp" }, { "state_after": "no goals", "s...
[ 1058, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1056, 1 ]
Mathlib/Data/Set/Finite.lean
Set.Finite.exists_finset_coe
[ { "state_after": "case intro\nα : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ns : Set α\na✝ : Fintype ↑s\n⊢ ∃ s', ↑s' = s", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ns : Set α\nh : Set.Finite s\n⊢ ∃ s', ↑s' = s", "tactic": "cases h" }, { "state_after": "no goals", "sta...
[ 123, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/NumberTheory/ArithmeticFunction.lean
Nat.ArithmeticFunction.isMultiplicative_zeta
[ { "state_after": "no goals", "state_before": "R : Type ?u.536824\n⊢ ↑ζ 1 = 1", "tactic": "simp" }, { "state_after": "no goals", "state_before": "R : Type ?u.536824\n⊢ ∀ {m n : ℕ}, m ≠ 0 → n ≠ 0 → coprime m n → ↑ζ (m * n) = ↑ζ m * ↑ζ n", "tactic": "simp (config := { contextual := true })"...
[ 820, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 819, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_finset
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.1733020\nγ : Type ?u.1733023\nδ : Type ?u.1733026\nm : MeasurableSpace α\nμ ν : Measure α\ninst✝ : MeasurableSingletonClass α\ns : Finset α\nf : α → ℝ≥0∞\n⊢ (∫⁻ (x : α) in ↑s, f x ∂μ) = ∑ x in s, f x * ↑↑μ {x}", "tactic": "simp only...
[ 1479, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1477, 1 ]
Mathlib/Computability/Reduce.lean
OneOneEquiv.congr_right
[]
[ 284, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 281, 1 ]
Mathlib/Topology/Order/Hom/Esakia.lean
PseudoEpimorphism.ext
[]
[ 133, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 132, 1 ]
Std/Data/RBMap/Alter.lean
Std.RBNode.modify_eq_alter
[ { "state_after": "α : Type u_1\ncut : α → Ordering\nf : α → α\nt : RBNode α\n⊢ (match zoom cut t Path.root with\n | (nil, snd) => t\n | (node c a x b, path) => Path.fill path (node c a (f x) b)) =\n match zoom cut t Path.root with\n | (nil, path) =>\n match Option.map f none with\n | none ...
[ 380, 52 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 379, 1 ]
Std/Data/List/Lemmas.lean
List.nil_suffix
[]
[ 1574, 64 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1574, 1 ]
Mathlib/MeasureTheory/Function/EssSup.lean
essSup_smul_measure
[ { "state_after": "α : Type u_2\nβ : Type u_1\nm : MeasurableSpace α\nμ ν : MeasureTheory.Measure α\ninst✝ : CompleteLattice β\nf : α → β\nc : ℝ≥0∞\nhc : c ≠ 0\n⊢ limsup f (Measure.ae (c • μ)) = limsup f (Measure.ae μ)", "state_before": "α : Type u_2\nβ : Type u_1\nm : MeasurableSpace α\nμ ν : MeasureTheory....
[ 219, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Std/Data/List/Lemmas.lean
List.get?_zero
[ { "state_after": "no goals", "state_before": "α : Type u_1\nl : List α\n⊢ get? l 0 = head? l", "tactic": "cases l <;> rfl" } ]
[ 542, 74 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 542, 1 ]
Mathlib/Data/Num/Lemmas.lean
ZNum.zneg_succ
[ { "state_after": "case neg\nα : Type ?u.658662\na✝ : PosNum\n⊢ -succ (neg a✝) = pred (-neg a✝)", "state_before": "α : Type ?u.658662\nn : ZNum\n⊢ -succ n = pred (-n)", "tactic": "cases n <;> try { rfl }" }, { "state_after": "case neg\nα : Type ?u.658662\na✝ : PosNum\n⊢ Num.toZNum (pred' a✝) = pr...
[ 1089, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1088, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Basic.lean
differentiableAt_const
[]
[ 1079, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1078, 1 ]
Mathlib/Order/Filter/Prod.lean
Filter.prod_mono
[]
[ 233, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/MeasureTheory/Function/LpSpace.lean
MeasureTheory.indicatorConstLp_coeFn_mem
[]
[ 741, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 740, 1 ]
Mathlib/SetTheory/Ordinal/Exponential.lean
Ordinal.log_opow_mul_add
[ { "state_after": "b u v w : Ordinal\nhb : 1 < b\nhv : v ≠ 0\nhvb : v < b\nhw : w < b ^ u\nhne' : b ^ u * v + w ≠ 0\n⊢ log b (b ^ u * v + w) = u", "state_before": "b u v w : Ordinal\nhb : 1 < b\nhv : v ≠ 0\nhvb : v < b\nhw : w < b ^ u\n⊢ log b (b ^ u * v + w) = u", "tactic": "have hne' := (opow_mul_add_p...
[ 422, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 413, 1 ]
Mathlib/Data/Prod/Basic.lean
Prod.swap_leftInverse
[]
[ 188, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 187, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.limitRecOn_limit
[ { "state_after": "α : Type ?u.97233\nβ : Type ?u.97236\nγ : Type ?u.97239\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\nC : Ordinal → Sort u_2\no : Ordinal\nH₁ : C 0\nH₂ : (o : Ordinal) → C o → C (succ o)\nH₃ : (o : Ordinal) → IsLimit o → ((o' : Ordinal) → o' < o → C o') → C o\nh : IsLimit o\n⊢ (H₃ o (...
[ 341, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.mem_map
[ { "state_after": "G : Type u_1\nG' : Type ?u.242723\ninst✝⁴ : Group G\ninst✝³ : Group G'\nA : Type ?u.242732\ninst✝² : AddGroup A\nH K✝ : Subgroup G\nk : Set G\nN : Type u_2\ninst✝¹ : Group N\nP : Type ?u.242759\ninst✝ : Group P\nf : G →* N\nK : Subgroup G\ny : N\n⊢ (∃ x x_1, ↑f x = y) ↔ ∃ x, x ∈ K ∧ ↑f x = y",...
[ 1414, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1413, 1 ]
Mathlib/Order/GaloisConnection.lean
GaloisConnection.u_unique
[]
[ 186, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 184, 1 ]
Mathlib/Order/WithBot.lean
WithBot.coe_eq_coe
[]
[ 131, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/ArctanDeriv.lean
deriv_arctan
[]
[ 157, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Mathlib/MeasureTheory/Group/Arithmetic.lean
AEMeasurable.div
[]
[ 353, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 351, 1 ]
Mathlib/Algebra/Quaternion.lean
QuaternionAlgebra.coe_injective
[]
[ 159, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 159, 1 ]
Mathlib/RingTheory/EisensteinCriterion.lean
Polynomial.EisensteinCriterionAux.isUnit_of_natDegree_eq_zero_of_isPrimitive
[ { "state_after": "R : Type u_1\ninst✝ : CommRing R\np q : R[X]\nhu : IsPrimitive (p * q)\nhpm : natDegree p = 0\n⊢ IsUnit (coeff p 0)", "state_before": "R : Type u_1\ninst✝ : CommRing R\np q : R[X]\nhu : IsPrimitive (p * q)\nhpm : natDegree p = 0\n⊢ IsUnit p", "tactic": "rw [eq_C_of_degree_le_zero (natD...
[ 83, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/Topology/MetricSpace/IsometricSMul.lean
EMetric.preimage_mul_left_ball
[]
[ 305, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 303, 1 ]
Mathlib/Algebra/GroupPower/Basic.lean
pow_boole
[ { "state_after": "no goals", "state_before": "α : Type ?u.22144\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✝² : Monoid M\ninst✝¹ : AddMonoid A\nP : Prop\ninst✝ : Decidable P\na : M\n⊢ (a ^ if P then 1 else 0) = if P then a else 1", "tactic": "s...
[ 155, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 154, 1 ]
Mathlib/LinearAlgebra/Matrix/Hermitian.lean
Matrix.IsHermitian.apply
[]
[ 61, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Topology/Order/Basic.lean
countable_setOf_covby_right
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ninst✝³ : TopologicalSpace α\ninst✝² : LinearOrder α\ninst✝¹ : OrderTopology α\ninst✝ : SecondCountableTopology α\n✝ : Nontrivial α\n⊢ Set.Countable {x | ∃ y, x ⋖ y}", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ninst✝³ : TopologicalSpace α\ninst✝...
[ 1411, 99 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1373, 1 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
Metric.lipschitz_infNndist_pt
[]
[ 669, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 668, 1 ]
Mathlib/Topology/Sets/Compacts.lean
TopologicalSpace.Compacts.map_id
[]
[ 146, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.map_iSup
[]
[ 1477, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1476, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.ae_le_of_ae_lt
[ { "state_after": "α : Type u_1\nβ : Type ?u.100460\nγ : Type ?u.100463\nδ : Type ?u.100466\nι : Type ?u.100469\ninst✝ : MeasurableSpace α\nμ μ₁ μ₂ : Measure α\ns s₁ s₂ t : Set α\nf g : α → ℝ≥0∞\nh : ∀ᵐ (x : α) ∂μ, f x < g x\n⊢ ↑↑μ {a | ¬f a ≤ g a} = 0", "state_before": "α : Type u_1\nβ : Type ?u.100460\nγ :...
[ 438, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 434, 1 ]
Mathlib/Algebra/AddTorsor.lean
vadd_vsub_assoc
[ { "state_after": "G : Type u_1\nP : Type u_2\ninst✝ : AddGroup G\nT : AddTorsor G P\ng : G\np1 p2 : P\n⊢ g +ᵥ p1 -ᵥ p2 +ᵥ p2 = g + (p1 -ᵥ p2) +ᵥ p2", "state_before": "G : Type u_1\nP : Type u_2\ninst✝ : AddGroup G\nT : AddTorsor G P\ng : G\np1 p2 : P\n⊢ g +ᵥ p1 -ᵥ p2 = g + (p1 -ᵥ p2)", "tactic": "apply ...
[ 122, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/CategoryTheory/Limits/Preserves/Limits.lean
CategoryTheory.lift_comp_preservesLimitsIso_hom
[ { "state_after": "case w\nC : Type u₁\ninst✝⁵ : Category C\nD : Type u₂\ninst✝⁴ : Category D\nG : C ⥤ D\nJ : Type w\ninst✝³ : Category J\nF : J ⥤ C\ninst✝² : PreservesLimit F G\ninst✝¹ : HasLimit F\ninst✝ : HasLimit (F ⋙ G)\nt : Cone F\nj✝ : J\n⊢ (G.map (limit.lift F t) ≫ (preservesLimitIso G F).hom) ≫ limit.π ...
[ 80, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 76, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/WideEqualizers.lean
CategoryTheory.Limits.Trident.IsLimit.homIso_natural
[]
[ 402, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 398, 1 ]
Mathlib/Data/Sum/Basic.lean
Sum.LiftRel.swap
[ { "state_after": "case inl\nα : Type u\nα' : Type w\nβ : Type v\nβ' : Type x\nγ : Type u_1\nδ : Type u_2\nr r₁ r₂ : α → γ → Prop\ns s₁ s₂ : β → δ → Prop\na : α\nb : β\nc : γ\nd : δ\na✝¹ : α\nc✝ : γ\na✝ : r a✝¹ c✝\n⊢ LiftRel s r (swap (inl a✝¹)) (swap (inl c✝))\n\ncase inr\nα : Type u\nα' : Type w\nβ : Type v\nβ...
[ 447, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 444, 11 ]
Mathlib/Order/UpperLower/Basic.lean
LowerSet.compl_top
[]
[ 901, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 900, 11 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousIdeal.lean
HomogeneousIdeal.coe_top
[]
[ 345, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 344, 1 ]
Mathlib/Data/List/Basic.lean
List.drop_sizeOf_le
[ { "state_after": "case nil\nι : Type ?u.208871\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\ninst✝ : SizeOf α\nn : ℕ\n⊢ sizeOf (drop n []) ≤ sizeOf []\n\ncase cons\nι : Type ?u.208871\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\ninst✝ : SizeOf α\nhead✝ : α\ntail✝ : List α\...
[ 2197, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2192, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.bounded_Ioc
[]
[ 2550, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2549, 1 ]
Mathlib/GroupTheory/Complement.lean
Subgroup.isComplement_top_singleton
[]
[ 115, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.filter_eq'
[ { "state_after": "α : Type u_1\nβ : Type ?u.420411\nγ : Type ?u.420414\ninst✝ : DecidableEq α\ns : Multiset α\nb : α\nl : List α\n⊢ ↑(List.filter (fun b_1 => decide (b_1 = b)) l) = replicate (List.count b l) b", "state_before": "α : Type u_1\nβ : Type ?u.420411\nγ : Type ?u.420414\ninst✝ : DecidableEq α\ns ...
[ 2574, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2571, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Basic.lean
csInf_upper_bounds_eq_csSup
[]
[ 595, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 593, 1 ]
Mathlib/RingTheory/Algebraic.lean
isAlgebraic_algebraMap
[ { "state_after": "no goals", "state_before": "R : Type u\nS : Type ?u.65885\nA : Type v\ninst✝⁷ : CommRing R\ninst✝⁶ : CommRing S\ninst✝⁵ : Ring A\ninst✝⁴ : Algebra R A\ninst✝³ : Algebra R S\ninst✝² : Algebra S A\ninst✝¹ : IsScalarTower R S A\ninst✝ : Nontrivial R\nx : R\n⊢ ↑(aeval (↑(algebraMap R A) x)) (X...
[ 111, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 110, 1 ]
src/lean/Init/SimpLemmas.lean
Eq.mpr_prop
[]
[ 62, 72 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 62, 1 ]
Mathlib/Computability/Partrec.lean
Partrec.map_encode_iff
[]
[ 491, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 490, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.ae_le_set_union
[]
[ 466, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 464, 1 ]
Mathlib/Analysis/InnerProductSpace/PiL2.lean
Matrix.toEuclideanLin_eq_toLin
[]
[ 1002, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 999, 1 ]
Mathlib/LinearAlgebra/Quotient.lean
Submodule.Quotient.eq
[]
[ 86, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 11 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.compContinuous_apply
[]
[ 384, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 383, 1 ]
Mathlib/Combinatorics/SimpleGraph/Coloring.lean
SimpleGraph.cliqueFree_of_chromaticNumber_lt
[]
[ 459, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 457, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.orderIsoIicCoe_symm_apply_coe
[]
[ 1804, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1802, 1 ]
Mathlib/Data/Num/Lemmas.lean
PosNum.cmp_to_nat
[ { "state_after": "α : Type ?u.145219\na b : PosNum\nthis : Ordering.casesOn (cmp a b) (↑a < ↑b) (a = b) (↑b < ↑a)\n⊢ Ordering.casesOn (cmp (bit0 a) (bit0 b)) (↑(bit0 a) < ↑(bit0 b)) (bit0 a = bit0 b) (↑(bit0 b) < ↑(bit0 a))", "state_before": "α : Type ?u.145219\na b : PosNum\n⊢ Ordering.casesOn (cmp (bit0 a...
[ 185, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/Analysis/Calculus/MeanValue.lean
StrictMonoOn.exists_deriv_lt_slope_aux
[ { "state_after": "E : Type ?u.437432\ninst✝³ : NormedAddCommGroup E\ninst✝² : NormedSpace ℝ E\nF : Type ?u.437528\ninst✝¹ : NormedAddCommGroup F\ninst✝ : NormedSpace ℝ F\nx y : ℝ\nf : ℝ → ℝ\nhf : ContinuousOn f (Icc x y)\nhxy : x < y\nhf'_mono : StrictMonoOn (deriv f) (Ioo x y)\nh : ∀ (w : ℝ), w ∈ Ioo x y → der...
[ 1064, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1054, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
mul_self_zpow
[ { "state_after": "α : Type ?u.125817\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✝ : Group G\nb : G\nm : ℤ\n⊢ b ^ 1 * b ^ m = b ^ (m + 1)", "state_before": "α : Type ?u.125817\nM : Type u\nN : Type v\nG : Type w\nH : Type x\nA : Type y\nB : Type z\n...
[ 229, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/Order/SymmDiff.lean
bihimp_right_comm
[ { "state_after": "no goals", "state_before": "ι : Type ?u.81353\nα : Type u_1\nβ : Type ?u.81359\nπ : ι → Type ?u.81364\ninst✝ : BooleanAlgebra α\na b c d : α\n⊢ a ⇔ b ⇔ c = a ⇔ c ⇔ b", "tactic": "simp_rw [bihimp_assoc, bihimp_comm]" } ]
[ 637, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 637, 1 ]
Mathlib/NumberTheory/ClassNumber/AdmissibleCardPowDegree.lean
Polynomial.exists_approx_polynomial_aux
[ { "state_after": "Fq : Type u_1\ninst✝¹ : Fintype Fq\ninst✝ : Ring Fq\nd m : ℕ\nhm : Fintype.card Fq ^ d ≤ m\nb : Fq[X]\nA : Fin (Nat.succ m) → Fq[X]\nhA : ∀ (i : Fin (Nat.succ m)), degree (A i) < degree b\nhb : b ≠ 0\n⊢ ∃ i₀ i₁, i₀ ≠ i₁ ∧ degree (A i₁ - A i₀) < ↑(natDegree b - d)", "state_before": "Fq : Ty...
[ 101, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 66, 1 ]
Mathlib/CategoryTheory/Functor/Const.lean
CategoryTheory.Functor.const.unop_functor_op_obj_map
[]
[ 87, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/LinearAlgebra/Projection.lean
LinearMap.IsProj.eq_conj_prod_map'
[ { "state_after": "R : Type u_1\ninst✝⁹ : Ring R\nE : Type u_2\ninst✝⁸ : AddCommGroup E\ninst✝⁷ : Module R E\nF : Type ?u.451177\ninst✝⁶ : AddCommGroup F\ninst✝⁵ : Module R F\nG : Type ?u.451693\ninst✝⁴ : AddCommGroup G\ninst✝³ : Module R G\np q : Submodule R E\nS : Type ?u.452656\ninst✝² : Semiring S\nM : Type ...
[ 441, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 433, 1 ]
Mathlib/Topology/ContinuousFunction/Ordered.lean
ContinuousMap.le_def
[]
[ 60, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Computability/Reduce.lean
ComputablePred.computable_of_oneOneReducible
[]
[ 147, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 145, 1 ]
Mathlib/Data/Set/Image.lean
Set.preimage_image_preimage
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.77955\nι : Sort ?u.77958\nι' : Sort ?u.77961\nf✝ : ι → α\ns✝ t : Set α\nf : α → β\ns : Set β\n⊢ f ⁻¹' (f '' (f ⁻¹' s)) = f ⁻¹' s", "tactic": "rw [image_preimage_eq_inter_range, preimage_inter_range]" } ]
[ 852, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 851, 1 ]
Mathlib/LinearAlgebra/BilinearMap.lean
LinearMap.lsmul_apply
[]
[ 398, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 398, 1 ]
Mathlib/MeasureTheory/Integral/IntegrableOn.lean
MeasureTheory.Integrable.indicator
[]
[ 273, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 271, 1 ]
Mathlib/Algebra/Quaternion.lean
QuaternionAlgebra.zero_imK
[]
[ 179, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 9 ]
Mathlib/LinearAlgebra/Matrix/ZPow.lean
Matrix.zero_zpow
[ { "state_after": "n' : Type u_1\ninst✝² : DecidableEq n'\ninst✝¹ : Fintype n'\nR : Type u_2\ninst✝ : CommRing R\nn : ℕ\nh : ↑n ≠ 0\n⊢ 0 < n", "state_before": "n' : Type u_1\ninst✝² : DecidableEq n'\ninst✝¹ : Fintype n'\nR : Type u_2\ninst✝ : CommRing R\nn : ℕ\nh : ↑n ≠ 0\n⊢ 0 ^ ↑n = 0", "tactic": "rw [z...
[ 92, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 87, 1 ]
Mathlib/Topology/SubsetProperties.lean
isClopen_univ
[]
[ 1564, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1564, 9 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.isLittleO_sup
[]
[ 659, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 658, 1 ]
Mathlib/Analysis/NormedSpace/Exponential.lean
isUnit_exp_of_mem_ball
[]
[ 304, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 302, 1 ]
Mathlib/Deprecated/Subfield.lean
isSubfield_iUnion_of_directed
[]
[ 158, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/CategoryTheory/IsConnected.lean
CategoryTheory.equiv_relation
[ { "state_after": "J : Type u₁\ninst✝² : Category J\nK : Type u₂\ninst✝¹ : Category K\ninst✝ : IsConnected J\nr : J → J → Prop\nhr : _root_.Equivalence r\nh : ∀ {j₁ j₂ : J}, (j₁ ⟶ j₂) → r j₁ j₂\nz : ∀ (j : J), r (Classical.arbitrary J) j\n⊢ ∀ (j₁ j₂ : J), r j₁ j₂", "state_before": "J : Type u₁\ninst✝² : Cate...
[ 306, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 300, 1 ]
Mathlib/Order/Ideal.lean
Order.Ideal.coe_toLowerSet
[]
[ 125, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Data/MvPolynomial/Equiv.lean
MvPolynomial.sumToIter_Xr
[]
[ 184, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 183, 1 ]
Mathlib/Order/FixedPoints.lean
OrderHom.map_le_lfp
[]
[ 76, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Order/Hom/Basic.lean
OrderHom.le_def
[]
[ 309, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 308, 1 ]
Mathlib/FieldTheory/Adjoin.lean
IntermediateField.Lifts.eq_of_le
[]
[ 1005, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1004, 1 ]
Mathlib/Algebra/Order/Ring/WithTop.lean
WithTop.mul_def
[]
[ 41, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 39, 1 ]
Mathlib/Data/Bool/Count.lean
List.Chain'.length_sub_one_le_two_mul_count_bool
[ { "state_after": "l : List Bool\nhl : Chain' (fun x x_1 => x ≠ x_1) l\nb : Bool\n⊢ length l - 1 ≤ if Even (length l) then length l else if (some b == head? l) = true then length l + 1 else length l - 1", "state_before": "l : List Bool\nhl : Chain' (fun x x_1 => x ≠ x_1) l\nb : Bool\n⊢ length l - 1 ≤ 2 * cou...
[ 126, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Order/Monotone/Basic.lean
StrictAnti.ite
[]
[ 624, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 621, 11 ]
Mathlib/Order/Zorn.lean
zorn_subset
[]
[ 192, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Order/Hom/Basic.lean
OrderIso.trans_refl
[ { "state_after": "case h.h\nF : Type ?u.83017\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.83026\nδ : Type ?u.83029\ninst✝² : LE α\ninst✝¹ : LE β\ninst✝ : LE γ\ne : α ≃o β\nx : α\n⊢ ↑(trans e (refl β)) x = ↑e x", "state_before": "F : Type ?u.83017\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.83026\nδ : Type ?u.8302...
[ 918, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 916, 1 ]
Mathlib/GroupTheory/Solvable.lean
derivedSeries_le_map_derivedSeries
[ { "state_after": "case zero\nG : Type u_1\nG' : Type u_2\ninst✝¹ : Group G\ninst✝ : Group G'\nf : G →* G'\nhf : Function.Surjective ↑f\n⊢ derivedSeries G' Nat.zero ≤ map f (derivedSeries G Nat.zero)\n\ncase succ\nG : Type u_1\nG' : Type u_2\ninst✝¹ : Group G\ninst✝ : Group G'\nf : G →* G'\nhf : Function.Surject...
[ 92, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
inv_nonpos
[ { "state_after": "no goals", "state_before": "ι : Type ?u.6857\nα : Type u_1\nβ : Type ?u.6863\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\n⊢ a⁻¹ ≤ 0 ↔ a ≤ 0", "tactic": "simp only [← not_lt, inv_pos]" } ]
[ 72, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Algebra/Order/Invertible.lean
invOf_pos
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝¹ : LinearOrderedSemiring α\na : α\ninst✝ : Invertible a\n⊢ 0 < a * ⅟a", "tactic": "simp only [mul_invOf_self, zero_lt_one]" } ]
[ 24, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 22, 1 ]
Mathlib/Data/Rat/NNRat.lean
NNRat.coe_multiset_sum
[]
[ 266, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 265, 1 ]
Mathlib/Data/Set/Pointwise/SMul.lean
Set.mem_smul_set_iff_inv_smul_mem
[]
[ 886, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 885, 1 ]
Mathlib/Topology/Support.lean
HasCompactMulSupport.comp_left
[]
[ 205, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 203, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.L1.ofReal_norm_sub_eq_lintegral
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.1306428\nδ : Type ?u.1306431\nm : MeasurableSpace α\nμ ν : Measure α\ninst✝² : MeasurableSpace δ\ninst✝¹ : NormedAddCommGroup β\ninst✝ : NormedAddCommGroup γ\nf g : { x // x ∈ Lp β 1 }\n⊢ (∫⁻ (x : α), edist (↑↑(f - g) x) 0 ∂μ) = ∫⁻ (x : α), edist (↑↑f x ...
[ 1338, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1333, 1 ]
Mathlib/Analysis/Calculus/Deriv/Linear.lean
LinearMap.hasStrictDerivAt
[]
[ 91, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 11 ]
Mathlib/Algebra/Order/Rearrangement.lean
MonovaryOn.sum_comp_perm_smul_le_sum_smul
[ { "state_after": "case h.e'_3\nι : Type u_1\nα : Type u_2\nβ : Type u_3\ninst✝³ : LinearOrderedRing α\ninst✝² : LinearOrderedAddCommGroup β\ninst✝¹ : Module α β\ninst✝ : OrderedSMul α β\ns : Finset ι\nσ : Perm ι\nf : ι → α\ng : ι → β\nhfg : MonovaryOn f g ↑s\nhσ : {x | ↑σ x ≠ x} ⊆ ↑s\n⊢ ∑ i in s, f (↑σ i) • g i...
[ 158, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 154, 1 ]
Mathlib/MeasureTheory/Function/SimpleFuncDenseLp.lean
MeasureTheory.Lp.simpleFunc.toLp_toSimpleFunc
[]
[ 635, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 633, 1 ]