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start
list
Mathlib/Data/List/Forall2.lean
List.forall₂_map_left_iff
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nγ : Type u_1\nδ : Type ?u.20275\nR S : α → β → Prop\nP : γ → δ → Prop\nRₐ : α → α → Prop\nf : γ → α\nx✝ : List β\n⊢ Forall₂ R (map f []) x✝ ↔ Forall₂ (fun c b => R (f c) b) [] x✝", "tactic": "simp only [map, forall₂_nil_left_iff]"...
[ 127, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/LinearAlgebra/Eigenspace/Basic.lean
Module.End.HasEigenvector.apply_eq_smul
[]
[ 105, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Algebra/Hom/Ring.lean
RingHom.coe_comp
[]
[ 704, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 703, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_int_cast
[ { "state_after": "no goals", "state_before": "x✝ y z x : ℝ\nn : ℤ\n⊢ x ^ ↑n = x ^ n", "tactic": "simp only [rpow_def, ← Complex.ofReal_zpow, Complex.cpow_int_cast, Complex.ofReal_int_cast,\n Complex.ofReal_re]" } ]
[ 356, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 354, 1 ]
src/lean/Init/Prelude.lean
eq_false_of_ne_true
[]
[ 645, 20 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 643, 1 ]
Mathlib/Order/CompleteLattice.lean
sInf_image'
[]
[ 740, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 739, 1 ]
Mathlib/Topology/Separation.lean
T0Space.of_open_cover
[]
[ 364, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 361, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.localizationToStalk_of
[]
[ 486, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 484, 1 ]
Mathlib/Order/Heyting/Basic.lean
sdiff_le_sdiff_of_sup_le_sup_left
[ { "state_after": "ι : Type ?u.142359\nα : Type u_1\nβ : Type ?u.142365\ninst✝ : GeneralizedCoheytingAlgebra α\na b c d : α\nh : c ⊔ a ≤ c ⊔ b\n⊢ (c ⊔ a) \\ c ≤ (c ⊔ b) \\ c", "state_before": "ι : Type ?u.142359\nα : Type u_1\nβ : Type ?u.142365\ninst✝ : GeneralizedCoheytingAlgebra α\na b c d : α\nh : c ⊔ a ...
[ 729, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 727, 1 ]
Mathlib/GroupTheory/Coset.lean
Subgroup.quotientMapOfLe_apply_mk
[]
[ 736, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 734, 1 ]
Mathlib/Data/Real/NNReal.lean
NNReal.coe_zero
[]
[ 175, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 11 ]
Mathlib/CategoryTheory/Limits/Shapes/Equalizers.lean
CategoryTheory.Limits.parallelPairHom_app_one
[]
[ 278, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 275, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.comap_sup_comap_le
[]
[ 1524, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1522, 1 ]
Mathlib/Topology/MetricSpace/Gluing.lean
Metric.Sum.dist_eq
[]
[ 278, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 278, 1 ]
Mathlib/Topology/ContinuousOn.lean
ContinuousWithinAt.prod
[]
[ 1062, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1059, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
HasSum.hasSum_iff_compl
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.426874\nδ : Type ?u.426877\ninst✝² : AddCommGroup α\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalAddGroup α\nf g : β → α\na a₁ a₂ : α\ns : Set β\nhf : HasSum (f ∘ Subtype.val) a₁\n⊢ HasSum f (a₁ + (a₂ - a₁)) ↔ HasSum f...
[ 863, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 861, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.eq_of_boxes_subset_iUnion_superset
[]
[ 287, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 282, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
nnnorm_le_mul_nnnorm_add
[]
[ 971, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 970, 1 ]
Mathlib/Data/Real/NNReal.lean
Real.le_coe_toNNReal
[]
[ 134, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
src/lean/Init/Control/StateCps.lean
StateCpsT.runK_monadLift
[]
[ 62, 88 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 61, 9 ]
Mathlib/Analysis/BoxIntegral/Partition/Tagged.lean
BoxIntegral.TaggedPrepartition.iUnion_disjUnion
[]
[ 370, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 368, 1 ]
Mathlib/MeasureTheory/Integral/FundThmCalculus.lean
intervalIntegral.integral_deriv_comp_mul_deriv'
[ { "state_after": "no goals", "state_before": "ι : Type ?u.1953788\n𝕜 : Type ?u.1953791\nE : Type ?u.1953794\nF : Type ?u.1953797\nA : Type ?u.1953800\ninst✝² : NormedAddCommGroup E\ninst✝¹ : CompleteSpace E\ninst✝ : NormedSpace ℝ E\nf✝¹ : ℝ → E\ng'✝ g✝ φ : ℝ → ℝ\nf✝ f'✝ : ℝ → E\na b : ℝ\nf f' g g' : ℝ → ℝ\...
[ 1511, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1505, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
dvd_gcd_iff
[]
[ 331, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 329, 1 ]
Mathlib/GroupTheory/MonoidLocalization.lean
Submonoid.LocalizationMap.mul_inv_right
[ { "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.375683\ninst✝ : CommMonoid P\nf : M →* N\nh : ∀ (y : { x // x ∈ S }), IsUnit (↑f ↑y)\ny : { x // x ∈ S }\nw z : N\n⊢ z = w * ↑(↑(IsUnit.liftRight (MonoidHom.re...
[ 633, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 631, 1 ]
Mathlib/LinearAlgebra/Ray.lean
equiv_iff_sameRay
[]
[ 249, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 248, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullback.hom_ext
[]
[ 1275, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1272, 1 ]
Mathlib/MeasureTheory/Group/FundamentalDomain.lean
MeasureTheory.IsFundamentalDomain.measure_eq_tsum
[ { "state_after": "no goals", "state_before": "G : Type u_1\nH : Type ?u.237333\nα : Type u_2\nβ : Type ?u.237339\nE : Type ?u.237342\ninst✝¹⁰ : Group G\ninst✝⁹ : Group H\ninst✝⁸ : MulAction G α\ninst✝⁷ : MeasurableSpace α\ninst✝⁶ : MulAction H β\ninst✝⁵ : MeasurableSpace β\ninst✝⁴ : NormedAddCommGroup E\ns ...
[ 301, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 299, 1 ]
Std/Data/Int/DivMod.lean
Int.neg_ediv_of_dvd
[ { "state_after": "no goals", "state_before": "b c : Int\n⊢ -(b * c) / b = -(b * c / b)", "tactic": "if bz : b = 0 then simp [bz] else\nrw [Int.neg_mul_eq_mul_neg, Int.mul_ediv_cancel_left _ bz, Int.mul_ediv_cancel_left _ bz]" }, { "state_after": "no goals", "state_before": "b c : Int\nbz : b...
[ 803, 94 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 801, 1 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousLocalization.lean
HomogeneousLocalization.NumDenSameDeg.num_neg
[]
[ 218, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 217, 1 ]
Mathlib/Data/PNat/Prime.lean
PNat.prime_two
[]
[ 126, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.IsNormal.limit_lt
[ { "state_after": "no goals", "state_before": "α : Type ?u.106843\nβ : Type ?u.106846\nγ : Type ?u.106849\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\nf : Ordinal → Ordinal\nH : IsNormal f\no : Ordinal\nh : IsLimit o\na : Ordinal\n⊢ ¬a < f o ↔ ¬∃ b, b < o ∧ a < f b", "tactic": "simpa only [exis...
[ 410, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 408, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.splitMax_eq
[ { "state_after": "no goals", "state_before": "α : Type u_1\nx✝ : ℕ\nl : Ordnode α\nx : α\nls : ℕ\nll : Ordnode α\nlx : α\nlr : Ordnode α\n⊢ splitMax' l x (node ls ll lx lr) = (eraseMax (node x✝ l x (node ls ll lx lr)), findMax' x (node ls ll lx lr))", "tactic": "rw [splitMax', splitMax_eq ls ll lx lr, f...
[ 618, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 615, 1 ]
Mathlib/Data/Matrix/Notation.lean
Matrix.submatrix_updateColumn_succAbove
[]
[ 400, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 398, 1 ]
Mathlib/Init/Logic.lean
left_comm
[]
[ 536, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 531, 1 ]
Mathlib/Order/Hom/Basic.lean
OrderIso.bijective
[]
[ 814, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 813, 11 ]
Mathlib/Analysis/Convex/Between.lean
Function.Injective.sbtw_map_iff
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[ 169, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 167, 1 ]
Mathlib/Analysis/NormedSpace/IsROrC.lean
norm_smul_inv_norm'
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[ 55, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 52, 1 ]
Mathlib/Data/Complex/Exponential.lean
Complex.exp_ofReal_mul_I_im
[ { "state_after": "no goals", "state_before": "x✝ y : ℂ\nx : ℝ\n⊢ (exp (↑x * I)).im = Real.sin x", "tactic": "simp [exp_mul_I, sin_ofReal_re]" } ]
[ 1111, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1110, 1 ]
Mathlib/RingTheory/Localization/LocalizationLocalization.lean
IsLocalization.mem_localizationLocalizationSubmodule
[ { "state_after": "R : Type u_1\ninst✝⁷ : CommRing R\nM : Submonoid R\nS : Type u_2\ninst✝⁶ : CommRing S\ninst✝⁵ : Algebra R S\nP : Type ?u.8605\ninst✝⁴ : CommRing P\nN : Submonoid S\nT : Type ?u.8769\ninst✝³ : CommRing T\ninst✝² : Algebra R T\ninst✝¹ : Algebra S T\ninst✝ : IsScalarTower R S T\nx : R\n⊢ (∃ y, y ...
[ 64, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/CategoryTheory/CommSq.lean
CategoryTheory.CommSq.unop
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[ 74, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Logic/Equiv/Basic.lean
Equiv.subtypeEquivCodomain_symm_apply_ne
[]
[ 1396, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1393, 1 ]
Mathlib/Algebra/AddTorsor.lean
Equiv.constVAdd_add
[]
[ 426, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 425, 1 ]
Mathlib/Data/Polynomial/FieldDivision.lean
Polynomial.div_eq_zero_iff
[ { "state_after": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Field R\np q : R[X]\nhq0 : q ≠ 0\nh : p / q = 0\nthis : q * (p / q) + p % q = p\n⊢ degree p < degree q", "state_before": "R : Type u\nS : Type v\nk : Type y\nA : Type z\na b : R\nn : ℕ\ninst✝ : Field R\np q : R[X]\nhq0...
[ 249, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 241, 1 ]
Mathlib/Computability/Primrec.lean
Primrec.ofNat_iff
[]
[ 281, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 279, 1 ]
Mathlib/Data/Finsupp/AList.lean
Finsupp.toAList_lookupFinsupp
[ { "state_after": "case h\nα : Type u_1\nM : Type u_2\ninst✝ : Zero M\nf : α →₀ M\na : α\n⊢ ↑(lookupFinsupp (Finsupp.toAList f)) a = ↑f a", "state_before": "α : Type u_1\nM : Type u_2\ninst✝ : Zero M\nf : α →₀ M\n⊢ lookupFinsupp (Finsupp.toAList f) = f", "tactic": "ext a" }, { "state_after": "cas...
[ 138, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 1 ]
Mathlib/RingTheory/Congruence.lean
RingCon.coe_add
[]
[ 197, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 196, 1 ]
Mathlib/Data/List/Basic.lean
List.sublist_of_cons_sublist_cons
[]
[ 1057, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1055, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.sup_nat_cast
[]
[ 2438, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2437, 1 ]
Mathlib/Init/CcLemmas.lean
or_eq_of_eq
[]
[ 49, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 48, 1 ]
Mathlib/NumberTheory/Divisors.lean
Nat.fst_mem_divisors_of_mem_antidiagonal
[ { "state_after": "n : ℕ\nx : ℕ × ℕ\nh : x.fst * x.snd = n ∧ n ≠ 0\n⊢ x.fst ∈ divisors n", "state_before": "n : ℕ\nx : ℕ × ℕ\nh : x ∈ divisorsAntidiagonal n\n⊢ x.fst ∈ divisors n", "tactic": "rw [mem_divisorsAntidiagonal] at h" }, { "state_after": "no goals", "state_before": "n : ℕ\nx : ℕ × ℕ...
[ 233, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 230, 1 ]
Mathlib/GroupTheory/OrderOfElement.lean
mem_powers_iff_mem_zpowers
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[ 819, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 813, 1 ]
Mathlib/Order/Filter/CountableInter.lean
countable_bInter_mem
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[ 61, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 57, 1 ]
Mathlib/LinearAlgebra/Matrix/BilinearForm.lean
mem_skewAdjointMatricesSubmodule'
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[ 531, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 529, 1 ]
Mathlib/MeasureTheory/Measure/Lebesgue/EqHaar.lean
MeasureTheory.addHaarMeasure_eq_volume_pi
[ { "state_after": "case h.e'_2\nι : Type u_1\ninst✝ : Fintype ι\n⊢ addHaarMeasure (piIcc01 ι) = ↑↑volume ↑(piIcc01 ι) • addHaarMeasure (piIcc01 ι)", "state_before": "ι : Type u_1\ninst✝ : Fintype ι\n⊢ addHaarMeasure (piIcc01 ι) = volume", "tactic": "convert (addHaarMeasure_unique volume (piIcc01 ι)).symm...
[ 103, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/List/Perm.lean
List.subperm_append_right
[]
[ 717, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 716, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.support_bypass_subset
[ { "state_after": "no goals", "state_before": "case nil\nV : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\ninst✝ : DecidableEq V\nu v u✝ : V\n⊢ support (bypass nil) ⊆ support nil", "tactic": "simp!" }, { "state_after": "case cons\nV : Type u\nV'...
[ 1408, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1397, 1 ]
Mathlib/Order/Directed.lean
Directed.mono
[]
[ 101, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Ioc_diff_Ioi
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.197772\ninst✝¹ : LinearOrder α\ninst✝ : LinearOrder β\nf : α → β\na a₁ a₂ b b₁ b₂ c d : α\n⊢ ∀ (x : α), x ∈ Ioc a b \\ Ioi c ↔ x ∈ Ioc a (min b c)", "tactic": "simp (config := { contextual := true }) [iff_def]" } ]
[ 1821, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1820, 1 ]
Mathlib/CategoryTheory/Subobject/Basic.lean
CategoryTheory.Subobject.mk_le_of_comm
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝² : Category C\nX✝ Y Z : C\nD : Type u₂\ninst✝¹ : Category D\nB A : C\nX : Subobject B\nf : A ⟶ B\ninst✝ : Mono f\ng : A ⟶ underlying.obj X\nw : g ≫ arrow X = f\n⊢ ((underlyingIso f).hom ≫ g) ≫ arrow X = arrow (mk f)", "tactic": "simp [w]" ...
[ 280, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 278, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.mem_interleave_right
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nδ : Type w\na : α\ns₁ s₂ : Stream' α\nx✝ : a ∈ s₂\nn : ℕ\nh : (fun b => a = b) (nth s₂ n)\n⊢ (fun b => a = b) (nth (s₁ ⋈ s₂) (2 * n + 1))", "tactic": "rw [h, nth_interleave_right]" } ]
[ 457, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 456, 1 ]
Mathlib/Topology/Semicontinuous.lean
IsOpen.upperSemicontinuousWithinAt_indicator
[]
[ 755, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 753, 1 ]
Mathlib/Order/Closure.lean
LowerAdjoint.closure_union_closure_subset
[]
[ 502, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 501, 1 ]
Mathlib/Analysis/SpecialFunctions/ExpDeriv.lean
Complex.hasStrictFDerivAt_exp_real
[]
[ 80, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Finsupp/Basic.lean
Finsupp.some_add
[ { "state_after": "case h\nα : Type u_2\nβ : Type ?u.319969\nγ : Type ?u.319972\nι : Type ?u.319975\nM : Type u_1\nM' : Type ?u.319981\nN : Type ?u.319984\nP : Type ?u.319987\nG : Type ?u.319990\nH : Type ?u.319993\nR : Type ?u.319996\nS : Type ?u.319999\ninst✝ : AddCommMonoid M\nf g : Option α →₀ M\na✝ : α\n⊢ ↑...
[ 825, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 823, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
AffineIndependent.finrank_vectorSpan_image_finset
[ { "state_after": "k : Type u_1\nV : Type u_2\nP : Type u_3\nι : Type u_4\ninst✝³ : DivisionRing k\ninst✝² : AddCommGroup V\ninst✝¹ : Module k V\ninst✝ : AffineSpace V P\np : ι → P\nhi : AffineIndependent k p\ns : Finset ι\nn : ℕ\nhc : Finset.card s = n + 1\nhi' : AffineIndependent k fun x => ↑x\n⊢ finrank k { x...
[ 119, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Data/List/Basic.lean
List.head!_mem_head?
[ { "state_after": "no goals", "state_before": "ι : Type ?u.44039\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type x\nl₁ l₂ : List α\ninst✝ : Inhabited α\nh : [] ≠ []\n⊢ head! [] ∈ head? []", "tactic": "contradiction" } ]
[ 920, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 918, 1 ]
Mathlib/RingTheory/PolynomialAlgebra.lean
PolyEquivTensor.toFunLinear_mul_tmul_mul_aux_2
[ { "state_after": "R : Type u_1\nA : Type u_2\ninst✝² : CommSemiring R\ninst✝¹ : Semiring A\ninst✝ : Algebra R A\nk : ℕ\na₁ a₂ : A\np₁ p₂ : R[X]\n⊢ a₁ * (a₂ * ↑(algebraMap R A) (coeff (p₁ * p₂) k)) =\n a₁ *\n (a₂ *\n Finset.sum (Finset.Nat.antidiagonal k) fun x =>\n ↑(algebraMap R A) (coe...
[ 96, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 90, 1 ]
Mathlib/GroupTheory/Perm/Basic.lean
Equiv.Perm.one_trans
[]
[ 157, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 156, 1 ]
Std/Data/Int/Lemmas.lean
Int.add_zero
[]
[ 226, 19 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 224, 25 ]
Mathlib/LinearAlgebra/Matrix/Circulant.lean
Matrix.circulant_add
[]
[ 118, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/Data/Sign.lean
SignType.neg_eq_self_iff
[ { "state_after": "no goals", "state_before": "a : SignType\n⊢ -a = a ↔ a = 0", "tactic": "cases a <;> decide" } ]
[ 229, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 229, 1 ]
Mathlib/NumberTheory/PellMatiyasevic.lean
Pell.eq_pell_lem
[ { "state_after": "a : ℕ\na1 : 1 < a\nn : ℕ\nb : ℤ√↑(Pell.d a1)\nh1 : 1 ≤ b\nhp : IsPell b\nh : b ≤ pellZd a1 (n + 1)\na1p : 0 ≤ { re := ↑a, im := 1 }\n⊢ Pell.d a1 ≤ a * a", "state_before": "a : ℕ\na1 : 1 < a\nn : ℕ\nb : ℤ√↑(Pell.d a1)\nh1 : 1 ≤ b\nhp : IsPell b\nh : b ≤ pellZd a1 (n + 1)\na1p : 0 ≤ { re := ...
[ 334, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 290, 1 ]
Mathlib/CategoryTheory/Monoidal/Category.lean
CategoryTheory.MonoidalCategory.tensorRightTensor_hom_app
[]
[ 592, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 590, 1 ]
Std/Logic.lean
Or.neg_resolve_right
[]
[ 274, 80 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 274, 1 ]
Mathlib/NumberTheory/Zsqrtd/Basic.lean
Zsqrtd.nonneg_mul
[ { "state_after": "d : ℕ\na b : ℤ√↑d\nha✝ : Nonneg a\nhb : Nonneg b\nx y z w : ℕ\nha : Nonneg { re := -↑x, im := ↑y }\nx✝ : Nonneg { re := ↑z, im := ↑w }\n⊢ Nonneg ({ re := ↑z, im := ↑w } * { re := -↑x, im := ↑y })", "state_before": "d : ℕ\na b : ℤ√↑d\nha✝ : Nonneg a\nhb : Nonneg b\nx y z w : ℕ\nha : Nonneg ...
[ 863, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 828, 1 ]
Mathlib/CategoryTheory/Subobject/FactorThru.lean
CategoryTheory.Subobject.factors_add
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝² : Category C\nX✝ Y✝ Z : C\nD : Type u₂\ninst✝¹ : Category D\ninst✝ : Preadditive C\nX Y : C\nP : Subobject Y\nf g : X ⟶ Y\nwf : Factors P f\nwg : Factors P g\n⊢ (factorThru P f wf + factorThru P g wg) ≫ MonoOver.arrow (representative.obj P) =...
[ 187, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 185, 1 ]
Mathlib/GroupTheory/MonoidLocalization.lean
Submonoid.LocalizationMap.map_id
[]
[ 1204, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1203, 1 ]
Mathlib/Combinatorics/Hall/Finite.lean
Finset.all_card_le_biUnion_card_iff_existsInjective'
[ { "state_after": "case mp\nι : Type u_1\nα : Type u_2\ninst✝¹ : Finite ι\ninst✝ : DecidableEq α\nt : ι → Finset α\n⊢ (∀ (s : Finset ι), card s ≤ card (Finset.biUnion s t)) → ∃ f, Function.Injective f ∧ ∀ (x : ι), f x ∈ t x\n\ncase mpr\nι : Type u_1\nα : Type u_2\ninst✝¹ : Finite ι\ninst✝ : DecidableEq α\nt : ι ...
[ 272, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 260, 1 ]
Mathlib/Algebra/Order/Module.lean
strict_anti_smul_left
[]
[ 115, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 114, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.erase_eq_self
[]
[ 1903, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1902, 1 ]
Mathlib/Algebra/GeomSum.lean
geom_sum_zero
[]
[ 60, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
ContinuousMultilinearMap.norm_compContinuousLinearMapL_le
[]
[ 1200, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1198, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
zero_le_mul_right
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type ?u.104443\ninst✝ : LinearOrderedSemiring α\na b c d : α\nh : 0 < c\n⊢ 0 ≤ b * c ↔ 0 ≤ b", "tactic": "simpa using (mul_le_mul_right h : 0 * c ≤ b * c ↔ 0 ≤ b)" } ]
[ 847, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 846, 1 ]
Mathlib/Order/SupIndep.lean
CompleteLattice.SetIndependent.disjoint_sSup
[ { "state_after": "α : Type u_1\nβ : Type ?u.26451\nι : Type ?u.26454\nι' : Type ?u.26457\ninst✝ : CompleteLattice α\ns : Set α\nhs : SetIndependent s\nx : α\ny : Set α\nhx : x ∈ s\nhy : y ⊆ s\nhxy : ¬x ∈ y\nthis : Disjoint x (sSup (insert x y \\ {x}))\n⊢ Disjoint x (sSup y)", "state_before": "α : Type u_1\n...
[ 229, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/ModelTheory/Semantics.lean
FirstOrder.Language.Term.realize_func
[]
[ 89, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/LinearAlgebra/Matrix/ToLin.lean
Matrix.toLin'_toMatrix'
[]
[ 336, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 334, 1 ]
Mathlib/Topology/SubsetProperties.lean
exists_compact_mem_nhds
[]
[ 1162, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1160, 1 ]
Mathlib/LinearAlgebra/AffineSpace/AffineSubspace.lean
AffineSubspace.eq_univ_of_subsingleton_span_eq_top
[ { "state_after": "case intro\nk : Type u_2\nV : Type u_3\nP : Type u_1\ninst✝² : Ring k\ninst✝¹ : AddCommGroup V\ninst✝ : Module k V\nS : AffineSpace V P\np₁ p₂ : P\ns : Set P\nh₁ : Set.Subsingleton s\nh₂ : affineSpan k s = ⊤\np : P\nhp : p ∈ s\n⊢ s = univ", "state_before": "k : Type u_2\nV : Type u_3\nP : ...
[ 869, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 864, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Series.lean
Real.cos_eq_tsum
[]
[ 117, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/Data/Seq/WSeq.lean
Stream'.WSeq.productive_congr
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ns t : WSeq α\nh : s ~ʷ t\n⊢ (∀ (n : ℕ), Terminates (get? s n)) ↔ ∀ (n : ℕ), Terminates (get? t n)", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ns t : WSeq α\nh : s ~ʷ t\n⊢ Productive s ↔ Productive t", "tactic": "simp only [productive_iff]" ...
[ 1208, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1207, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.nndist_integral_add_measure_le_lintegral
[ { "state_after": "α : Type u_2\nE : Type u_1\nF : Type ?u.1315198\n𝕜 : Type ?u.1315201\ninst✝¹⁰ : NormedAddCommGroup E\ninst✝⁹ : NormedSpace ℝ E\ninst✝⁸ : CompleteSpace E\ninst✝⁷ : NontriviallyNormedField 𝕜\ninst✝⁶ : NormedSpace 𝕜 E\ninst✝⁵ : SMulCommClass ℝ 𝕜 E\ninst✝⁴ : NormedAddCommGroup F\ninst✝³ : Norm...
[ 1442, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1439, 1 ]
Mathlib/Data/Set/Intervals/Pi.lean
Set.image_update_Ioo_right
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : ι → Type u_2\ninst✝¹ : DecidableEq ι\ninst✝ : (i : ι) → PartialOrder (α i)\nf : (i : ι) → α i\ni : ι\nb : α i\n⊢ update f i '' Ioo (f i) b = Ioo f (update f i b)", "tactic": "simpa using image_update_Ioo f i (f i) b" } ]
[ 192, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 191, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Basic.lean
HasSum.unique
[]
[ 293, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 292, 1 ]
Mathlib/Analysis/Normed/Group/Seminorm.lean
GroupSeminorm.inf_apply
[]
[ 426, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 425, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
gcd_greatest
[]
[ 669, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 665, 1 ]
Mathlib/GroupTheory/GroupAction/SubMulAction.lean
SubMulAction.smul_of_tower_mem
[ { "state_after": "S : Type u'\nT : Type u''\nR : Type u\nM : Type v\ninst✝⁴ : Monoid R\ninst✝³ : MulAction R M\ninst✝² : SMul S R\ninst✝¹ : SMul S M\ninst✝ : IsScalarTower S R M\np : SubMulAction R M\ns : S\nx : M\nh : x ∈ p\n⊢ (s • 1) • x ∈ p", "state_before": "S : Type u'\nT : Type u''\nR : Type u\nM : Ty...
[ 244, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 242, 1 ]
Mathlib/Algebra/Hom/Equiv/Units/Basic.lean
Units.mulLeft_symm
[]
[ 76, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/Order/Atoms.lean
isAtomistic_dual_iff_isCoatomistic
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.18041\ninst✝ : CompleteLattice α\nh : IsAtomistic αᵒᵈ\nb : α\n⊢ ∃ s, b = sInf s ∧ ∀ (a : α), a ∈ s → IsCoatom a", "tactic": "apply h.eq_sSup_atoms" }, { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ...
[ 363, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 362, 1 ]
Mathlib/Data/Seq/WSeq.lean
Stream'.WSeq.toList'_map
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nl : List α\ns : WSeq α\ns1 s2 : Computation (List α)\nh :\n ∃ l' s,\n s1 =\n Computation.corec\n (fun x =>\n match x with\n | (l, s) =>\n match Seq.destruct s with\n | none => Sum.inl (List....
[ 1330, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1306, 1 ]
Mathlib/AlgebraicGeometry/SheafedSpace.lean
AlgebraicGeometry.SheafedSpace.Γ_map
[]
[ 216, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]