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start
list
Mathlib/Analysis/BoxIntegral/Box/Basic.lean
BoxIntegral.Box.withBotCoe_subset_iff
[ { "state_after": "case bot\nι : Type u_1\nI J✝ : Box ι\nx y : ι → ℝ\nJ : WithBot (Box ι)\n⊢ ↑⊥ ⊆ ↑J ↔ ⊥ ≤ J\n\ncase coe\nι : Type u_1\nI J✝ : Box ι\nx y : ι → ℝ\nJ : WithBot (Box ι)\na✝ : Box ι\n⊢ ↑↑a✝ ⊆ ↑J ↔ ↑a✝ ≤ J", "state_before": "ι : Type u_1\nI✝ J✝ : Box ι\nx y : ι → ℝ\nI J : WithBot (Box ι)\n⊢ ↑I ⊆ ...
[ 303, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 300, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.filter_add
[]
[ 1939, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1938, 1 ]
Mathlib/Order/CompleteLattice.lean
IsLUB.iSup_eq
[]
[ 783, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 782, 1 ]
Mathlib/MeasureTheory/Group/MeasurableEquiv.lean
MeasurableEquiv.toEquiv_mulLeft₀
[]
[ 191, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.range_natCast
[ { "state_after": "no goals", "state_before": "α β : Type u\nx : Cardinal\n⊢ x ∈ range Nat.cast ↔ x ∈ Iio ℵ₀", "tactic": "simp only [mem_Iio, mem_range, eq_comm, lt_aleph0]" } ]
[ 1461, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1460, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Metric.closedBall_zero'
[]
[ 1922, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1918, 1 ]
Mathlib/CategoryTheory/Closed/Monoidal.lean
CategoryTheory.MonoidalClosed.uncurry_id_eq_ev
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝² : Category C\ninst✝¹ : MonoidalCategory C\nA B X X' Y Y' Z : C\ninst✝ : Closed A\n⊢ uncurry (𝟙 ((ihom A).obj X)) = (ihom.ev A).app X", "tactic": "rw [uncurry_eq, tensor_id, id_comp]" } ]
[ 239, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.castSucc_eq_zero_iff
[ { "state_after": "no goals", "state_before": "n m : ℕ\ninst✝ : NeZero n\na : Fin n\n⊢ ↑a = ↑0 ↔ ↑(↑castSucc a) = ↑0", "tactic": "simp" } ]
[ 1291, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1290, 1 ]
Mathlib/CategoryTheory/Linear/FunctorCategory.lean
CategoryTheory.NatTrans.app_smul
[]
[ 90, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 89, 1 ]
Mathlib/LinearAlgebra/QuadraticForm/Basic.lean
QuadraticForm.add_apply
[]
[ 431, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]
Mathlib/Data/Set/Intervals/OrdConnected.lean
Set.ordConnected_preimage
[]
[ 200, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Data/Nat/Cast/Field.lean
Nat.one_div_le_one_div
[ { "state_after": "case refine'_1\nα : Type u_1\ninst✝ : LinearOrderedSemifield α\nn m : ℕ\nh : n ≤ m\n⊢ 0 < ↑n + 1\n\ncase refine'_2\nα : Type u_1\ninst✝ : LinearOrderedSemifield α\nn m : ℕ\nh : n ≤ m\n⊢ ↑n + 1 ≤ ↑m + 1", "state_before": "α : Type u_1\ninst✝ : LinearOrderedSemifield α\nn m : ℕ\nh : n ≤ m\n⊢...
[ 75, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.iUnion_false
[]
[ 670, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 669, 1 ]
Mathlib/MeasureTheory/MeasurableSpaceDef.lean
Finset.measurableSet
[]
[ 315, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 314, 11 ]
Mathlib/CategoryTheory/Limits/HasLimits.lean
CategoryTheory.Limits.limit.post_post
[ { "state_after": "J : Type u₁\ninst✝⁶ : Category J\nK : Type u₂\ninst✝⁵ : Category K\nC : Type u\ninst✝⁴ : Category C\nF : J ⥤ C\nD : Type u'\ninst✝³ : Category D\ninst✝² : HasLimit F\nG : C ⥤ D\ninst✝¹ : HasLimit (F ⋙ G)\nE : Type u''\ninst✝ : Category E\nH : D ⥤ E\nh : HasLimit ((F ⋙ G) ⋙ H)\nthis : HasLimit ...
[ 484, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 478, 1 ]
Mathlib/CategoryTheory/Limits/HasLimits.lean
CategoryTheory.Limits.colimit.pre_map
[ { "state_after": "case w\nJ : Type u₁\ninst✝⁴ : Category J\nK : Type u₂\ninst✝³ : Category K\nC : Type u\ninst✝² : Category C\nF : J ⥤ C\ninst✝¹ : HasColimitsOfShape J C\nG : J ⥤ C\nα : F ⟶ G\ninst✝ : HasColimitsOfShape K C\nE : K ⥤ J\nj✝ : K\n⊢ ι (E ⋙ F) j✝ ≫ pre F E ≫ colim.map α = ι (E ⋙ F) j✝ ≫ colim.map (w...
[ 1119, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1115, 1 ]
Mathlib/FieldTheory/RatFunc.lean
RatFunc.num_ne_zero
[]
[ 1257, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1256, 1 ]
Mathlib/Topology/Algebra/Order/IntermediateValue.lean
ContinuousOn.surjOn_Icc
[]
[ 605, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 603, 1 ]
Mathlib/CategoryTheory/Iso.lean
CategoryTheory.Iso.ext
[ { "state_after": "case mk\nC : Type u\ninst✝ : Category C\nX Y Z : C\nβ : X ≅ Y\nhom✝ : X ⟶ Y\ninv✝ : Y ⟶ X\nhom_inv_id✝ : hom✝ ≫ inv✝ = 𝟙 X\ninv_hom_id✝ : inv✝ ≫ hom✝ = 𝟙 Y\nw : (mk hom✝ inv✝).hom = β.hom\nthis : (mk hom✝ inv✝).inv = β.inv\n⊢ mk hom✝ inv✝ = β", "state_before": "C : Type u\ninst✝ : Catego...
[ 97, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 87, 1 ]
Mathlib/Algebra/Group/Semiconj.lean
SemiconjBy.inv_symm_left
[]
[ 225, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 224, 1 ]
Mathlib/Algebra/Algebra/Equiv.lean
AlgEquiv.toAlgHom_toLinearMap
[]
[ 574, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 573, 1 ]
Mathlib/RingTheory/Localization/Away/AdjoinRoot.lean
IsLocalization.adjoin_inv
[]
[ 46, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 45, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.nontrivial_reverse_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ns : Cycle α\n⊢ Nontrivial (reverse s) ↔ Nontrivial s", "tactic": "simp [Nontrivial]" } ]
[ 638, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 637, 1 ]
Mathlib/GroupTheory/SchurZassenhaus.lean
Subgroup.exists_right_complement'_of_coprime_of_fintype
[]
[ 289, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 287, 1 ]
Mathlib/Data/Finsupp/Multiset.lean
Finsupp.toFinset_toMultiset
[ { "state_after": "case refine'_1\nα : Type u_1\nβ : Type ?u.51824\nι : Type ?u.51827\ninst✝ : DecidableEq α\nf : α →₀ ℕ\n⊢ Multiset.toFinset (↑toMultiset 0) = 0.support\n\ncase refine'_2\nα : Type u_1\nβ : Type ?u.51824\nι : Type ?u.51827\ninst✝ : DecidableEq α\nf : α →₀ ℕ\n⊢ ∀ (a : α) (b : ℕ) (f : α →₀ ℕ),\n ...
[ 118, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.monomial_zero
[]
[ 345, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 344, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
nnnorm_one'
[]
[ 915, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 914, 1 ]
Mathlib/SetTheory/Ordinal/NaturalOps.lean
Ordinal.nadd_right_cancel_iff
[]
[ 447, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 446, 1 ]
Mathlib/Analysis/Normed/Group/ControlledClosure.lean
controlled_closure_of_complete
[ { "state_after": "G : Type u_1\ninst✝² : NormedAddCommGroup G\ninst✝¹ : CompleteSpace G\nH : Type u_2\ninst✝ : NormedAddCommGroup H\nf : NormedAddGroupHom G H\nK : AddSubgroup H\nC ε : ℝ\nhC : 0 < C\nhε : 0 < ε\nhyp : NormedAddGroupHom.SurjectiveOnWith f K C\nh : H\nh_in : h ∈ AddSubgroup.topologicalClosure K\n...
[ 114, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 36, 1 ]
Mathlib/FieldTheory/Adjoin.lean
IntermediateField.top_toSubalgebra
[]
[ 114, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/Order/WithBot.lean
WithBot.unbot'_bot_le_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.39753\nγ : Type ?u.39756\nδ : Type ?u.39759\na✝ b✝ : α\ninst✝¹ : LE α\ninst✝ : OrderBot α\na : WithBot α\nb : α\n⊢ unbot' ⊥ a ≤ b ↔ a ≤ ↑b", "tactic": "cases a <;> simp [none_eq_bot, some_eq_coe]" } ]
[ 390, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 388, 1 ]
Mathlib/GroupTheory/Subsemigroup/Operations.lean
MulHom.srange_top_of_surjective
[]
[ 793, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 791, 1 ]
Mathlib/Order/Filter/Ultrafilter.lean
Ultrafilter.eq_pure_of_finite
[]
[ 326, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.ae_restrict_biUnion_eq
[ { "state_after": "α : Type u_1\nβ : Type ?u.558165\nγ : Type ?u.558168\nδ : Type ?u.558171\nι : Type u_2\nR : Type ?u.558177\nR' : Type ?u.558180\nm0 : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t✝ : Set α\ns : ι → Set α\nt : Set ι\nht : Se...
[ 2743, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2740, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Deriv.lean
Real.self_lt_sinh_iff
[]
[ 777, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 776, 1 ]
Mathlib/RingTheory/RingInvo.lean
RingInvo.involution
[]
[ 100, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Data/Nat/Basic.lean
Nat.succ_succ_ne_one
[]
[ 185, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 184, 1 ]
Mathlib/Algebra/BigOperators/Finprod.lean
finprod_eq_prod
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.186829\nι : Type ?u.186832\nG : Type ?u.186835\nM : Type u_2\nN : Type ?u.186841\ninst✝¹ : CommMonoid M\ninst✝ : CommMonoid N\nf : α → M\nhf : Set.Finite (mulSupport f)\n⊢ (∏ᶠ (i : α), f i) = ∏ i in Finite.toFinset hf, f i", "tactic...
[ 431, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]
Mathlib/Order/Synonym.lean
ofLex_inj
[]
[ 205, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/Data/Complex/Basic.lean
Complex.ofReal_add
[ { "state_after": "no goals", "state_before": "r s : ℝ\n⊢ (↑(r + s)).re = (↑r + ↑s).re ∧ (↑(r + s)).im = (↑r + ↑s).im", "tactic": "simp [ofReal']" } ]
[ 227, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Data/Set/Basic.lean
Set.union_diff_left
[]
[ 1843, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1842, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/KernelPair.lean
CategoryTheory.IsKernelPair.isIso_of_mono
[ { "state_after": "C : Type u\ninst✝¹ : Category C\nR X Y Z : C\nf : X ⟶ Y\na b : R ⟶ X\nh : IsKernelPair f a b\ninst✝ : Mono f\n⊢ IsIso\n (IsLimit.conePointUniqueUpToIso (IsPullback.isLimit (_ : IsKernelPair f (𝟙 X) (𝟙 X))) (IsPullback.isLimit h)).inv", "state_before": "C : Type u\ninst✝¹ : Category C\...
[ 214, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 208, 1 ]
Mathlib/RingTheory/AlgebraicIndependent.lean
algebraicIndependent_empty
[]
[ 575, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 573, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Deriv.lean
DifferentiableAt.csin
[]
[ 395, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 393, 1 ]
Mathlib/Data/Nat/Sqrt.lean
Nat.sqrt_le_sqrt
[]
[ 108, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/Topology/LocalExtr.lean
IsLocalExtrOn.comp_antitone
[]
[ 273, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 271, 8 ]
Mathlib/GroupTheory/Subsemigroup/Basic.lean
Subsemigroup.iSup_eq_closure
[ { "state_after": "no goals", "state_before": "M : Type u_2\nN : Type ?u.22167\nA : Type ?u.22170\ninst✝¹ : Mul M\ns : Set M\ninst✝ : Add A\nt : Set A\nS : Subsemigroup M\nι : Sort u_1\np : ι → Subsemigroup M\n⊢ (⨆ (i : ι), p i) = closure (⋃ (i : ι), ↑(p i))", "tactic": "simp_rw [Subsemigroup.closure_iUn...
[ 461, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 459, 1 ]
Std/Data/String/Lemmas.lean
String.offsetOfPos_of_valid
[ { "state_after": "no goals", "state_before": "l r : List Char\n⊢ offsetOfPos { data := l ++ r } { byteIdx := utf8Len l } = List.length l", "tactic": "simpa using offsetOfPosAux_of_valid [] l r 0" } ]
[ 677, 47 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 676, 1 ]
Mathlib/CategoryTheory/Subobject/Lattice.lean
CategoryTheory.Subobject.mk_eq_top_of_isIso
[]
[ 275, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 1 ]
Mathlib/GroupTheory/Submonoid/Operations.lean
Submonoid.map_comap_eq_of_surjective
[]
[ 453, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 452, 1 ]
Mathlib/Algebra/Ring/Equiv.lean
RingEquiv.symm_toNonUnitalRingHom_comp_toNonUnitalRingHom
[ { "state_after": "case a\nF : Type ?u.86962\nα : Type ?u.86965\nβ : Type ?u.86968\nR : Type u_1\nS : Type u_2\nS' : Type ?u.86977\ninst✝² : NonUnitalNonAssocSemiring R\ninst✝¹ : NonUnitalNonAssocSemiring S\ninst✝ : NonUnitalNonAssocSemiring S'\ne : R ≃+* S\nx✝ : R\n⊢ ↑(NonUnitalRingHom.comp (toNonUnitalRingHom ...
[ 662, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 659, 1 ]
Mathlib/Algebra/DirectSum/Ring.lean
DirectSum.of_eq_of_gradedMonoid_eq
[]
[ 152, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 149, 1 ]
Mathlib/LinearAlgebra/ProjectiveSpace/Independence.lean
Projectivization.independent_iff_not_dependent
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nK : Type u_2\nV : Type u_3\ninst✝² : Field K\ninst✝¹ : AddCommGroup V\ninst✝ : Module K V\nf : ι → ℙ K V\n⊢ Independent f ↔ ¬Dependent f", "tactic": "rw [dependent_iff_not_independent, Classical.not_not]" } ]
[ 106, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/Algebra/Associated.lean
Associated.dvd_dvd
[]
[ 543, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 542, 11 ]
Mathlib/MeasureTheory/Group/FundamentalDomain.lean
MeasureTheory.IsFundamentalDomain.image_of_equiv
[ { "state_after": "G : Type u_2\nH : Type u_4\nα : Type u_3\nβ : Type u_1\nE : Type ?u.74797\ninst✝⁶ : Group G\ninst✝⁵ : Group H\ninst✝⁴ : MulAction G α\ninst✝³ : MeasurableSpace α\ninst✝² : MulAction H β\ninst✝¹ : MeasurableSpace β\ninst✝ : NormedAddCommGroup E\ns t : Set α\nμ : Measure α\nν : Measure β\nh : Is...
[ 172, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 166, 1 ]
Mathlib/MeasureTheory/Constructions/Prod/Basic.lean
MeasureTheory.Measure.prod_prod
[ { "state_after": "case a\nα : Type u_1\nα' : Type ?u.4426845\nβ : Type u_2\nβ' : Type ?u.4426851\nγ : Type ?u.4426854\nE : Type ?u.4426857\ninst✝⁶ : MeasurableSpace α\ninst✝⁵ : MeasurableSpace α'\ninst✝⁴ : MeasurableSpace β\ninst✝³ : MeasurableSpace β'\ninst✝² : MeasurableSpace γ\nμ μ' : Measure α\nν ν' : Measu...
[ 348, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 320, 1 ]
Mathlib/Analysis/Complex/Basic.lean
IsROrC.hasSum_iff
[ { "state_after": "α : Type u_2\n𝕜 : Type u_1\ninst✝ : IsROrC 𝕜\nf : α → 𝕜\nc : 𝕜\n⊢ HasSum (fun x => ↑re (f x)) (↑re c) ∧ HasSum (fun x => ↑im (f x)) (↑im c) → HasSum f c", "state_before": "α : Type u_2\n𝕜 : Type u_1\ninst✝ : IsROrC 𝕜\nf : α → 𝕜\nc : 𝕜\n⊢ HasSum f c ↔ HasSum (fun x => ↑re (f x)) (↑r...
[ 549, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 544, 1 ]
Mathlib/Order/SymmDiff.lean
bihimp_def
[]
[ 87, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Std/Logic.lean
ne_of_mem_of_not_mem'
[]
[ 679, 79 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 679, 1 ]
Mathlib/LinearAlgebra/Determinant.lean
LinearMap.det_cases
[ { "state_after": "R : Type ?u.616312\ninst✝¹⁰ : CommRing R\nM : Type u_1\ninst✝⁹ : AddCommGroup M\ninst✝⁸ : Module R M\nM' : Type ?u.616903\ninst✝⁷ : AddCommGroup M'\ninst✝⁶ : Module R M'\nι : Type ?u.617445\ninst✝⁵ : DecidableEq ι\ninst✝⁴ : Fintype ι\ne : Basis ι R M\nA : Type u_2\ninst✝³ : CommRing A\ninst✝² ...
[ 246, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 238, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.rightMoves_add_cases
[ { "state_after": "x y : PGame\nk : RightMoves (x + y)\nP : RightMoves (x + y) → Prop\nhl : ∀ (j : RightMoves x), P (↑toRightMovesAdd (Sum.inl j))\nhr : ∀ (j : RightMoves y), P (↑toRightMovesAdd (Sum.inr j))\n⊢ P (↑toRightMovesAdd (↑toRightMovesAdd.symm k))", "state_before": "x y : PGame\nk : RightMoves (x +...
[ 1574, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1568, 1 ]
Mathlib/Data/Complex/Module.lean
Complex.orderedSMul
[ { "state_after": "no goals", "state_before": "R : Type ?u.89486\nS : Type ?u.89489\na b : ℂ\nr : ℝ\nhab : a < b\nhr : 0 < r\n⊢ (r • a).re ≤ (r • b).re", "tactic": "simp [hr, hab.1.le]" }, { "state_after": "no goals", "state_before": "R : Type ?u.89486\nS : Type ?u.89489\na b : ℂ\nr : ℝ\nhab ...
[ 140, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 11 ]
Mathlib/NumberTheory/Liouville/LiouvilleWith.lean
LiouvilleWith.mul_nat_iff
[ { "state_after": "no goals", "state_before": "p q x y : ℝ\nr : ℚ\nm : ℤ\nn : ℕ\nhn : n ≠ 0\n⊢ LiouvilleWith p (x * ↑n) ↔ LiouvilleWith p x", "tactic": "rw [← Rat.cast_coe_nat, mul_rat_iff (Nat.cast_ne_zero.2 hn)]" } ]
[ 169, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.iInter_setOf
[ { "state_after": "case h\nα : Type u_1\nβ : Type ?u.65383\nγ : Type ?u.65386\nι : Sort u_2\nι' : Sort ?u.65392\nι₂ : Sort ?u.65395\nκ : ι → Sort ?u.65400\nκ₁ : ι → Sort ?u.65405\nκ₂ : ι → Sort ?u.65410\nκ' : ι' → Sort ?u.65415\nP : ι → α → Prop\nx✝ : α\n⊢ (x✝ ∈ ⋂ (i : ι), {x | P i x}) ↔ x✝ ∈ {x | ∀ (i : ι), P i...
[ 439, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 437, 1 ]
Mathlib/Algebra/Algebra/Subalgebra/Basic.lean
Subalgebra.ext
[]
[ 71, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
Class.ofSet.inj
[ { "state_after": "x y : ZFSet\nh : ↑x = ↑y\nz : ZFSet\n⊢ ↑x z ↔ ↑y z", "state_before": "x y : ZFSet\nh : ↑x = ↑y\nz : ZFSet\n⊢ z ∈ x ↔ z ∈ y", "tactic": "change (x : Class.{u}) z ↔ (y : Class.{u}) z" }, { "state_after": "no goals", "state_before": "x y : ZFSet\nh : ↑x = ↑y\nz : ZFSet\n⊢ ↑x z...
[ 1613, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1610, 1 ]
Mathlib/LinearAlgebra/SesquilinearForm.lean
LinearMap.IsSymm.eq
[]
[ 227, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 11 ]
Mathlib/Order/CompleteLattice.lean
le_sInf
[]
[ 212, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 1 ]
Mathlib/Data/Rel.lean
Rel.image_inter
[]
[ 147, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.eq_of_le_of_card_le
[]
[ 770, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 769, 1 ]
Mathlib/MeasureTheory/Integral/IntegralEqImproper.lean
MeasureTheory.integral_comp_mul_left_Ioi
[ { "state_after": "E : Type u_1\nf : ℝ → E\ninst✝² : NormedAddCommGroup E\ninst✝¹ : NormedSpace ℝ E\ninst✝ : CompleteSpace E\ng : ℝ → E\na b : ℝ\nhb : 0 < b\nthis : ∀ (c : ℝ), MeasurableSet (Ioi c)\n⊢ (∫ (x : ℝ) in Ioi a, g (b * x)) = abs b⁻¹ • ∫ (x : ℝ) in Ioi (b * a), g x", "state_before": "E : Type u_1\nf...
[ 886, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 878, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.subset_singleton_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.35142\nγ : Type ?u.35145\ns✝ : Finset α\na✝ b : α\ns : Finset α\na : α\n⊢ s ⊆ {a} ↔ s = ∅ ∨ s = {a}", "tactic": "rw [← coe_subset, coe_singleton, Set.subset_singleton_iff_eq, coe_eq_empty, coe_eq_singleton]" } ]
[ 781, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 780, 1 ]
Mathlib/Algebra/Lie/Basic.lean
sub_lie
[ { "state_after": "no goals", "state_before": "R : Type u\nL : Type v\nM : Type w\nN : Type w₁\ninst✝¹⁰ : CommRing R\ninst✝⁹ : LieRing L\ninst✝⁸ : LieAlgebra R L\ninst✝⁷ : AddCommGroup M\ninst✝⁶ : Module R M\ninst✝⁵ : LieRingModule L M\ninst✝⁴ : LieModule R L M\ninst✝³ : AddCommGroup N\ninst✝² : Module R N\n...
[ 184, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 184, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.toReal_eq_toReal
[ { "state_after": "case intro\nα : Type ?u.827878\nβ : Type ?u.827881\nb c d : ℝ≥0∞\nr p q : ℝ≥0\nhb : b ≠ ⊤\na : ℝ≥0\n⊢ ENNReal.toReal ↑a = ENNReal.toReal b ↔ ↑a = b", "state_before": "α : Type ?u.827878\nβ : Type ?u.827881\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nha : a ≠ ⊤\nhb : b ≠ ⊤\n⊢ ENNReal.toReal a = ENNReal.t...
[ 2270, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2267, 1 ]
Mathlib/Algebra/Star/Module.lean
star_int_cast_smul
[]
[ 49, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 47, 1 ]
Mathlib/Data/Real/Sqrt.lean
Real.sqrt_mul
[ { "state_after": "no goals", "state_before": "x : ℝ\nhx : 0 ≤ x\ny : ℝ\n⊢ sqrt (x * y) = sqrt x * sqrt y", "tactic": "simp_rw [sqrt, ← NNReal.coe_mul, NNReal.coe_eq, Real.toNNReal_mul hx, NNReal.sqrt_mul]" } ]
[ 396, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 395, 1 ]
Mathlib/Order/BoundedOrder.lean
min_top_left
[]
[ 843, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 842, 1 ]
Mathlib/Combinatorics/Derangements/Finite.lean
numDerangements_sum
[ { "state_after": "case zero\nα : Type ?u.22310\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\n⊢ ↑(numDerangements Nat.zero) = ∑ k in Finset.range (Nat.zero + 1), (-1) ^ k * ↑(Nat.ascFactorial k (Nat.zero - k))\n\ncase succ\nα : Type ?u.22310\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nn : ℕ\nhn : ↑(numDerangements...
[ 130, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Tactic/Ring/Basic.lean
Mathlib.Tactic.Ring.mul_add
[ { "state_after": "u : Lean.Level\nR : Type u_1\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝ : CommSemiring R\na b₁ b₂ : R\n⊢ a * (b₁ + b₂) = a * b₁ + 0 + a * b₂", "state_before": "u : Lean.Level\nR : Type u_1\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝ : CommSemiring R\na b₁ c₁ b₂ c₂ d : R\nx✝² : a...
[ 413, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 412, 1 ]
Mathlib/Analysis/Complex/RealDeriv.lean
HasDerivAt.complexToReal_fderiv'
[ { "state_after": "no goals", "state_before": "e : ℂ → ℂ\ne' : ℂ\nz : ℝ\nE : Type u_1\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℂ E\nf : ℂ → E\nx : ℂ\nf' : E\nh : HasDerivAt f f' x\n⊢ HasFDerivAt f (ContinuousLinearMap.smulRight reClm f' + I • ContinuousLinearMap.smulRight imClm f') x", "tactic...
[ 111, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 109, 1 ]
Mathlib/Data/List/Cycle.lean
Cycle.coe_eq_coe
[]
[ 468, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 467, 1 ]
Mathlib/Data/Nat/Parity.lean
Function.Involutive.iterate_two_mul
[ { "state_after": "no goals", "state_before": "α : Type u_1\nf : α → α\nn✝ : ℕ\nhf : Involutive f\nn : ℕ\n⊢ f^[2 * n] = id", "tactic": "rw [iterate_mul, involutive_iff_iter_2_eq_id.1 hf, iterate_id]" } ]
[ 312, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 311, 1 ]
Mathlib/LinearAlgebra/FinsuppVectorSpace.lean
Finsupp.basis_repr
[]
[ 108, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 106, 1 ]
Mathlib/NumberTheory/Padics/RingHoms.lean
PadicInt.exists_mem_range_of_norm_rat_le_one
[]
[ 141, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Std/Data/Int/Lemmas.lean
Int.min_eq_left
[ { "state_after": "no goals", "state_before": "a b : Int\nh : a ≤ b\n⊢ min a b = a", "tactic": "simp [Int.min_def, h]" } ]
[ 703, 96 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 703, 11 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
Submodule.subtypeₗᵢ_toLinearMap
[]
[ 471, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 470, 1 ]
Mathlib/Logic/Embedding/Basic.lean
Function.Embedding.coe_injective
[]
[ 97, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Algebra/Homology/Additive.lean
HomologicalComplex.singleMapHomologicalComplex_inv_app_ne
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nV : Type u\ninst✝⁶ : Category V\ninst✝⁵ : Preadditive V\nc : ComplexShape ι\nC D E : HomologicalComplex V c\nf g : C ⟶ D\nh✝ k : D ⟶ E\ni✝ : ι\ninst✝⁴ : HasZeroObject V\nW : Type u_3\ninst✝³ : Category W\ninst✝² : Preadditive W\ninst✝¹ : HasZeroObj...
[ 336, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 334, 1 ]
Mathlib/Data/PFunctor/Univariate/M.lean
PFunctor.M.truncate_approx
[]
[ 288, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 287, 1 ]
Mathlib/ModelTheory/Basic.lean
FirstOrder.Language.Hom.comp_apply
[]
[ 580, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/LinearAlgebra/Matrix/Transvection.lean
Matrix.mul_transvection_apply_of_ne
[ { "state_after": "no goals", "state_before": "n : Type u_1\np : Type ?u.18322\nR : Type u₂\n𝕜 : Type ?u.18327\ninst✝⁴ : Field 𝕜\ninst✝³ : DecidableEq n\ninst✝² : DecidableEq p\ninst✝¹ : CommRing R\ni j : n\ninst✝ : Fintype n\na b : n\nhb : b ≠ j\nc : R\nM : Matrix n n R\n⊢ (M ⬝ transvection i j c) a b = M...
[ 141, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 140, 1 ]
Mathlib/Logic/Basic.lean
eq_mp_eq_cast
[]
[ 517, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 517, 9 ]
Mathlib/Topology/LocalHomeomorph.lean
LocalHomeomorph.ext_iff
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.28742\nδ : Type ?u.28745\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ninst✝¹ : TopologicalSpace γ\ninst✝ : TopologicalSpace δ\ne✝ : LocalHomeomorph α β\ne' : LocalHomeomorph β γ\ne : LocalHomeomorph α β\n⊢ (∀ (x : α), ↑e x = ↑e x) ∧\n (∀...
[ 332, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 11 ]
Mathlib/SetTheory/Ordinal/NaturalOps.lean
Ordinal.nadd_le_nadd_right
[ { "state_after": "case inl\na✝ b c : Ordinal\nh✝ : b ≤ c\na : Ordinal\nh : b < c\n⊢ b ♯ a ≤ c ♯ a\n\ncase inr\na✝ b a : Ordinal\nh : b ≤ b\n⊢ b ♯ a ≤ b ♯ a", "state_before": "a✝ b c : Ordinal\nh : b ≤ c\na : Ordinal\n⊢ b ♯ a ≤ c ♯ a", "tactic": "rcases lt_or_eq_of_le h with (h | rfl)" }, { "stat...
[ 243, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
Submodule.coe_subtypeL
[]
[ 1035, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1033, 1 ]
Mathlib/CategoryTheory/Subterminal.lean
CategoryTheory.isSubterminal_of_isTerminal
[]
[ 89, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Data/Set/Image.lean
Set.image_insert_eq
[ { "state_after": "case h\nα : Type u_1\nβ : Type u_2\nγ : Type ?u.40151\nι : Sort ?u.40154\nι' : Sort ?u.40157\nf✝ : α → β\ns✝ t : Set α\nf : α → β\na : α\ns : Set α\nx✝ : β\n⊢ x✝ ∈ f '' insert a s ↔ x✝ ∈ insert (f a) (f '' s)", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.40151\nι : Sort ?u.401...
[ 391, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 388, 1 ]
Mathlib/Order/Lattice.lean
inf_left_right_swap
[]
[ 510, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 509, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_subset_Icc_iff
[]
[ 555, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 553, 1 ]
Mathlib/Order/Filter/Germ.lean
Filter.Germ.coe_compTendsto
[]
[ 255, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 253, 1 ]