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start
list
Mathlib/MeasureTheory/Measure/Content.lean
MeasureTheory.Content.innerContent_mono'
[]
[ 245, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 243, 1 ]
Mathlib/Combinatorics/Hall/Basic.lean
Finset.all_card_le_biUnion_card_iff_exists_injective
[ { "state_after": "case mp\nι : Type u\nα : Type v\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\nα : Type v\ninst✝ : DecidableEq α\nt : ι → Finset α\n⊢ (∃ f, Function.Injective f ∧ ∀ (...
[ 166, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 126, 1 ]
Mathlib/Tactic/LinearCombination.lean
Mathlib.Tactic.LinearCombination.pf_add_c
[]
[ 37, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 37, 1 ]
Mathlib/Deprecated/Subgroup.lean
Group.normalClosure_subset
[ { "state_after": "case basic\nG : Type u_1\nH : Type ?u.145368\nA : Type ?u.145371\na✝ a₁ a₂ b c : G\ns✝ : Set G\ninst✝ : Group G\ns t : Set G\nht : IsNormalSubgroup t\nh : s ⊆ t\na x : G\nhx : x ∈ conjugatesOfSet s\n⊢ x ∈ t\n\ncase one\nG : Type u_1\nH : Type ?u.145368\nA : Type ?u.145371\na✝ a₁ a₂ b c : G\ns✝...
[ 736, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 730, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Ioi_ae_eq_Ici
[]
[ 3336, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3335, 1 ]
Mathlib/Topology/FiberBundle/Basic.lean
FiberBundleCore.isOpenMap_proj
[]
[ 774, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 773, 8 ]
Mathlib/GroupTheory/Index.lean
Subgroup.index_map_dvd
[ { "state_after": "G : Type u_2\ninst✝¹ : Group G\nH K L : Subgroup G\nG' : Type u_1\ninst✝ : Group G'\nf : G →* G'\nhf : Function.Surjective ↑f\n⊢ index (H ⊔ MonoidHom.ker f) ∣ index H", "state_before": "G : Type u_2\ninst✝¹ : Group G\nH K L : Subgroup G\nG' : Type u_1\ninst✝ : Group G'\nf : G →* G'\nhf : F...
[ 338, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 335, 1 ]
Mathlib/Data/Nat/Order/Basic.lean
Nat.bit_lt_bit0
[]
[ 712, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 710, 1 ]
Mathlib/Algebra/GroupPower/Lemmas.lean
strictMono_pow_bit1
[ { "state_after": "α : Type ?u.310657\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✝ : LinearOrderedRing R\na✝ : R\nn✝ n : ℕ\na b : R\nhab : a < b\n⊢ (fun a => a ^ bit1 n) a < (fun a => a ^ bit1 n) b", "state_before": "α : Type ?u.310657\nM : Type u\n...
[ 752, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 745, 1 ]
Mathlib/Algebra/MonoidAlgebra/Division.lean
AddMonoidAlgebra.modOf_apply_self_add
[]
[ 154, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/Logic/Basic.lean
forall_apply_eq_imp_iff'
[ { "state_after": "no goals", "state_before": "ι : Sort ?u.18928\nα : Sort ?u.18933\nκ : ι → Sort ?u.18930\np✝ q : α → Prop\nβ : Sort u_1\nf : α → β\np : β → Prop\n⊢ (∀ (b : β) (a : α), f a = b → p b) ↔ ∀ (a : α), p (f a)", "tactic": "simp [forall_swap]" } ]
[ 807, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 806, 9 ]
Mathlib/CategoryTheory/Limits/Shapes/Equalizers.lean
CategoryTheory.Limits.equalizer.fork_ι
[]
[ 771, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 770, 1 ]
Mathlib/Topology/Instances/Int.lean
Int.preimage_ball
[]
[ 56, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/LinearAlgebra/FiniteDimensional.lean
FiniteDimensional.finrank_zero_iff
[ { "state_after": "K : Type u\nV : Type v\ninst✝⁵ : DivisionRing K\ninst✝⁴ : AddCommGroup V\ninst✝³ : Module K V\nV₂ : Type v'\ninst✝² : AddCommGroup V₂\ninst✝¹ : Module K V₂\ninst✝ : FiniteDimensional K V\n⊢ finrank K V = 0 ↔ ↑(finrank K V) = 0", "state_before": "K : Type u\nV : Type v\ninst✝⁵ : DivisionRin...
[ 347, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 342, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
Isometry.prod_map
[ { "state_after": "no goals", "state_before": "ι : Type ?u.2341\nα : Type u\nβ : Type v\nγ : Type w\ninst✝³ : PseudoEMetricSpace α\ninst✝² : PseudoEMetricSpace β\ninst✝¹ : PseudoEMetricSpace γ\nf✝ : α → β\nx✝ y✝ z : α\ns : Set α\nδ : Type u_1\ninst✝ : PseudoEMetricSpace δ\nf : α → β\ng : γ → δ\nhf : Isometry...
[ 104, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/Algebra/Parity.lean
Odd.sub_odd
[ { "state_after": "F : Type ?u.105241\nα : Type u_1\nβ : Type ?u.105247\nR : Type ?u.105250\ninst✝ : Ring α\na b : α\nn : ℕ\nha : Odd a\nhb : Odd b\n⊢ Even (a + -b)", "state_before": "F : Type ?u.105241\nα : Type u_1\nβ : Type ?u.105247\nR : Type ?u.105250\ninst✝ : Ring α\na b : α\nn : ℕ\nha : Odd a\nhb : Od...
[ 455, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 453, 1 ]
Mathlib/MeasureTheory/Integral/SetIntegral.lean
integral_re_add_im
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type ?u.3500341\nE : Type ?u.3500344\nF : Type ?u.3500347\ninst✝⁹ : MeasurableSpace α\nι : Type ?u.3500353\ninst✝⁸ : NormedAddCommGroup E\nμ : MeasureTheory.Measure α\n𝕜 : Type u_1\ninst✝⁷ : IsROrC 𝕜\ninst✝⁶ : NormedSpace 𝕜 E\ninst✝⁵ : Norme...
[ 1183, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1180, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.principal_bind
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.299672\nι : Sort x\ns : Set α\nf : α → Filter β\n⊢ join (map f (𝓟 s)) = ⨆ (x : α) (_ : x ∈ s), f x", "tactic": "simp only [sSup_image, join_principal_eq_sSup, map_principal, eq_self_iff_true]" } ]
[ 2771, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2769, 1 ]
Mathlib/Combinatorics/SimpleGraph/IncMatrix.lean
SimpleGraph.incMatrix_apply_eq_one_iff
[ { "state_after": "R : Type u_1\nα : Type u_2\nG : SimpleGraph α\ninst✝¹ : MulZeroOneClass R\na b : α\ne : Sym2 α\ninst✝ : Nontrivial R\n⊢ (let x := e;\n if x ∈ incidenceSet G a then OfNat.ofNat 1 x else 0) =\n 1 ↔\n e ∈ incidenceSet G a", "state_before": "R : Type u_1\nα : Type u_2\nG : SimpleG...
[ 114, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.range_mem_map
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.221604\nι : Sort x\nf : Filter α\nm : α → β\nm' : β → γ\ns : Set α\nt : Set β\n⊢ m '' univ ∈ map m f", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.221604\nι : Sort x\nf : Filter α\nm : α → β\nm' : β → γ\ns : Set α\nt : Se...
[ 1847, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1845, 1 ]
Mathlib/ModelTheory/Syntax.lean
FirstOrder.Language.BoundedFormula.relabel_sum_inl
[ { "state_after": "L : Language\nL' : Language\nM : Type w\nN : Type ?u.98243\nP : Type ?u.98246\ninst✝² : Structure L M\ninst✝¹ : Structure L N\ninst✝ : Structure L P\nα : Type u'\nβ : Type v'\nγ : Type ?u.98274\nn : ℕ\nφ : BoundedFormula L α n\n⊢ mapTermRel (fun x t => Term.relabel (Sum.map id ↑(natAdd 0)) t) ...
[ 647, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 639, 1 ]
Mathlib/Data/Set/Image.lean
Set.image_eta
[]
[ 217, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 216, 1 ]
Mathlib/Analysis/SpecificLimits/Normed.lean
tendsto_pow_atTop_nhds_0_of_abs_lt_1
[]
[ 276, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 1 ]
Mathlib/Data/Set/Intervals/Monoid.lean
Set.Ico_add_bij
[ { "state_after": "M : Type u_1\ninst✝¹ : OrderedCancelAddCommMonoid M\ninst✝ : ExistsAddOfLE M\na b c d : M\n⊢ BijOn (fun x => x + d) (Ici a ∩ Iio b) (Ici (a + d) ∩ Iio (b + d))", "state_before": "M : Type u_1\ninst✝¹ : OrderedCancelAddCommMonoid M\ninst✝ : ExistsAddOfLE M\na b c d : M\n⊢ BijOn (fun x => x ...
[ 72, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 68, 1 ]
Mathlib/MeasureTheory/Lattice.lean
AEMeasurable.inf'
[]
[ 221, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 219, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.exp_nat_mul
[ { "state_after": "no goals", "state_before": "x✝ y x : ℝ\nn : ℕ\n⊢ ↑(exp (↑n * x)) = ↑(exp x ^ n)", "tactic": "simp [exp_nat_mul]" } ]
[ 1161, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1160, 8 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.cons_coe
[]
[ 138, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/CategoryTheory/Sites/Grothendieck.lean
CategoryTheory.GrothendieckTopology.intersection_covering_iff
[]
[ 170, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Computability/NFA.lean
NFA.toDFA_correct
[ { "state_after": "case h\nα : Type u\nσ σ' : Type v\nM : NFA α σ\nx : List α\n⊢ x ∈ DFA.accepts (toDFA M) ↔ x ∈ accepts M", "state_before": "α : Type u\nσ σ' : Type v\nM : NFA α σ\n⊢ DFA.accepts (toDFA M) = accepts M", "tactic": "ext x" }, { "state_after": "case h\nα : Type u\nσ σ' : Type v\nM :...
[ 126, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Topology/Order/Basic.lean
Dense.exists_ge'
[]
[ 786, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 784, 1 ]
Mathlib/Computability/Partrec.lean
Partrec₂.unpaired'
[]
[ 508, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 507, 1 ]
Mathlib/FieldTheory/Separable.lean
Polynomial.count_roots_le_one
[ { "state_after": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : IsDomain R\np : R[X]\nhsep : Separable p\nx : R\n⊢ rootMultiplicity x p ≤ 1", "state_before": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : IsDomain R\np : R[X]\nhsep : Separable p\nx : R\n⊢ Multiset.count x (roots p) ≤ 1", "tactic": "rw [count_root...
[ 264, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 262, 1 ]
Mathlib/CategoryTheory/Sites/CoverPreserving.lean
CategoryTheory.Presieve.FamilyOfElements.Compatible.functorPushforward
[ { "state_after": "C : Type u₁\ninst✝² : Category C\nD : Type u₂\ninst✝¹ : Category D\nA : Type u₃\ninst✝ : Category A\nJ : GrothendieckTopology C\nK : GrothendieckTopology D\nL : GrothendieckTopology A\nG : C ⥤ D\nhG : CompatiblePreserving K G\nℱ : SheafOfTypes K\nZ : C\nT : Presieve Z\nx : FamilyOfElements (Fu...
[ 113, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 104, 1 ]
Mathlib/Order/SymmDiff.lean
symmDiff_left_comm
[ { "state_after": "no goals", "state_before": "ι : Type ?u.72219\nα : Type u_1\nβ : Type ?u.72225\nπ : ι → Type ?u.72230\ninst✝ : GeneralizedBooleanAlgebra α\na b c d : α\n⊢ a ∆ (b ∆ c) = b ∆ (a ∆ c)", "tactic": "simp_rw [← symmDiff_assoc, symmDiff_comm]" } ]
[ 486, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 485, 1 ]
Mathlib/Data/Nat/Basic.lean
Nat.findGreatest_succ
[]
[ 891, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 889, 1 ]
Std/Data/Int/Lemmas.lean
Int.lt_of_lt_of_le
[]
[ 678, 60 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 677, 11 ]
Mathlib/MeasureTheory/Group/Arithmetic.lean
Measurable.pow
[]
[ 221, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/Topology/Basic.lean
isClosed_univ
[]
[ 211, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 9 ]
Mathlib/Order/Antisymmetrization.lean
ofAntisymmetrization_le_ofAntisymmetrization_iff
[]
[ 197, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 195, 1 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Cardinal.ord_univ
[ { "state_after": "α : Type ?u.234443\nβ : Type ?u.234446\nγ : Type ?u.234449\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ → Prop\no : Ordinal\nh : o < Ordinal.univ\n⊢ card o < univ", "state_before": "α : Type ?u.234443\nβ : Type ?u.234446\nγ : Type ?u.234449\nr : α → α → Prop\ns : β → β → Prop\nt : γ → γ ...
[ 1519, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1514, 1 ]
Mathlib/CategoryTheory/Pi/Basic.lean
CategoryTheory.Pi.isoApp_symm
[]
[ 208, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 207, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.sup_eq_biUnion
[ { "state_after": "case a\nF : Type ?u.416235\nα✝ : Type ?u.416238\nβ✝ : Type ?u.416241\nγ : Type ?u.416244\nι : Type ?u.416247\nκ : Type ?u.416250\nα : Type u_1\nβ : Type u_2\ninst✝ : DecidableEq β\ns : Finset α\nt : α → Finset β\na✝ : β\n⊢ a✝ ∈ sup s t ↔ a✝ ∈ Finset.biUnion s t", "state_before": "F : Type ...
[ 1790, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1787, 1 ]
Mathlib/Order/Bounded.lean
Set.unbounded_ge_iff_unbounded_inter_ge
[]
[ 422, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 420, 1 ]
Mathlib/Data/Nat/Choose/Basic.lean
Nat.choose_eq_zero_of_lt
[ { "state_after": "n k : ℕ\nhk : n + 1 < k + 1\nhnk : n < k\n⊢ choose (n + 1) (k + 1) = 0", "state_before": "n k : ℕ\nhk : n + 1 < k + 1\n⊢ choose (n + 1) (k + 1) = 0", "tactic": "have hnk : n < k := lt_of_succ_lt_succ hk" }, { "state_after": "n k : ℕ\nhk : n + 1 < k + 1\nhnk : n < k\nhnk1 : n < ...
[ 77, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 71, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Continuity.lean
ContinuousOn.rpow
[]
[ 303, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]
Mathlib/Data/Rat/Defs.lean
Rat.den_one
[]
[ 436, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 435, 1 ]
Mathlib/Probability/ProbabilityMassFunction/Monad.lean
Pmf.bind_bind
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nγ : Type u_1\np : Pmf α\nf : α → Pmf β\ng : β → Pmf γ\nb : γ\n⊢ ↑(bind (bind p f) g) b = ↑(bind p fun a => bind (f a) g) b", "tactic": "simpa only [ENNReal.coe_eq_coe.symm, bind_apply, ENNReal.tsum_mul_left.symm,\n ENNReal.tsum_m...
[ 157, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 154, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Real.rpow_add_of_nonneg
[ { "state_after": "case inl\nx z : ℝ\nhx : 0 ≤ x\nhz : 0 ≤ z\nhy : 0 ≤ 0\n⊢ x ^ (0 + z) = x ^ 0 * x ^ z\n\ncase inr\nx y z : ℝ\nhx : 0 ≤ x\nhy✝ : 0 ≤ y\nhz : 0 ≤ z\nhy : 0 < y\n⊢ x ^ (y + z) = x ^ y * x ^ z", "state_before": "x y z : ℝ\nhx : 0 ≤ x\nhy : 0 ≤ y\nhz : 0 ≤ z\n⊢ x ^ (y + z) = x ^ y * x ^ z", ...
[ 192, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/Analysis/NormedSpace/Star/Multiplier.lean
DoubleCentralizer.star_fst
[]
[ 441, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 440, 1 ]
Mathlib/Data/Complex/Exponential.lean
Complex.cosh_sq_sub_sinh_sq
[ { "state_after": "no goals", "state_before": "x y : ℂ\n⊢ cosh x ^ 2 - sinh x ^ 2 = 1", "tactic": "rw [sq_sub_sq, cosh_add_sinh, cosh_sub_sinh, ← exp_add, add_neg_self, exp_zero]" } ]
[ 756, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 755, 1 ]
Mathlib/Algebra/Lie/Subalgebra.lean
LieSubalgebra.mem_coe
[]
[ 168, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 167, 1 ]
Mathlib/Computability/Primrec.lean
Nat.Primrec'.if_lt
[ { "state_after": "case zero\nn : ℕ\na b f g : Vector ℕ n → ℕ\nha : Primrec' a\nhb : Primrec' b\nhf : Primrec' f\nhg : Primrec' g\nv : Vector ℕ n\ne : b v - a v = Nat.zero\n⊢ Nat.rec (g v) (fun y IH => f (Vector.tail (Vector.tail (y ::ᵥ IH ::ᵥ v)))) Nat.zero = if a v < b v then f v else g v\n\ncase succ\nn : ℕ\n...
[ 1475, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1470, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.ae_eq_trim_of_stronglyMeasurable
[ { "state_after": "α : Type ?u.1725284\nE : Type ?u.1725287\nF : Type ?u.1725290\n𝕜 : Type ?u.1725293\ninst✝¹¹ : NormedAddCommGroup E\ninst✝¹⁰ : NormedSpace ℝ E\ninst✝⁹ : CompleteSpace E\ninst✝⁸ : NontriviallyNormedField 𝕜\ninst✝⁷ : NormedSpace 𝕜 E\ninst✝⁶ : SMulCommClass ℝ 𝕜 E\ninst✝⁵ : NormedAddCommGroup F...
[ 1801, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1797, 1 ]
Mathlib/Algebra/Algebra/Spectrum.lean
spectrum.inv_mem_resolventSet
[ { "state_after": "R : Type u\nA : Type v\ninst✝² : CommSemiring R\ninst✝¹ : Ring A\ninst✝ : Algebra R A\nr : Rˣ\na : Aˣ\nh : IsUnit (r • 1 - ↑a)\n⊢ IsUnit (r⁻¹ • 1 - ↑a⁻¹)", "state_before": "R : Type u\nA : Type v\ninst✝² : CommSemiring R\ninst✝¹ : Ring A\ninst✝ : Algebra R A\nr : Rˣ\na : Aˣ\nh : ↑r ∈ resol...
[ 189, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 180, 1 ]
Mathlib/MeasureTheory/Constructions/Pi.lean
IsCountablySpanning.pi
[ { "state_after": "ι : Type u_2\nι' : Type ?u.427415\nα : ι → Type u_1\ninst✝¹ : Finite ι\ninst✝ : Finite ι'\nC : (i : ι) → Set (Set (α i))\ns : (i : ι) → ℕ → Set (α i)\nh1s : ∀ (i : ι) (n : ℕ), s i n ∈ C i\nh2s : ∀ (i : ι), (⋃ (n : ℕ), s i n) = univ\n⊢ IsCountablySpanning (Set.pi univ '' Set.pi univ C)", "s...
[ 101, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 93, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
Measurable.subtype_mk
[]
[ 572, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 570, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.const_mul
[]
[ 308, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 307, 1 ]
Mathlib/Order/SuccPred/Basic.lean
Order.lt_succ_bot_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝³ : PartialOrder α\ninst✝² : SuccOrder α\na b : α\ninst✝¹ : OrderBot α\ninst✝ : NoMaxOrder α\n⊢ a < succ ⊥ ↔ a = ⊥", "tactic": "rw [lt_succ_iff, le_bot_iff]" } ]
[ 543, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 543, 1 ]
Mathlib/Data/Finset/Card.lean
List.toFinset_card_of_nodup
[]
[ 205, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.image2_iUnion₂_right
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nι : Sort u_4\nι' : Sort ?u.249989\nι₂ : Sort ?u.249992\nκ : ι → Sort u_5\nκ₁ : ι → Sort ?u.250002\nκ₂ : ι → Sort ?u.250007\nκ' : ι' → Sort ?u.250012\nf : α → β → γ\ns✝ : Set α\nt✝ : Set β\ns : Set α\nt : (i : ι) → κ i → ...
[ 1894, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1892, 1 ]
Mathlib/MeasureTheory/Decomposition/Lebesgue.lean
MeasureTheory.Measure.rnDeriv_lt_top
[ { "state_after": "α : Type u_1\nβ : Type ?u.38973\nm : MeasurableSpace α\nμ✝ ν✝ μ ν : Measure α\ninst✝ : SigmaFinite μ\n⊢ ∀ (n : ℕ), ∀ᵐ (x : α) ∂ν, x ∈ spanningSets μ n → rnDeriv μ ν x < ⊤", "state_before": "α : Type u_1\nβ : Type ?u.38973\nm : MeasurableSpace α\nμ✝ ν✝ μ ν : Measure α\ninst✝ : SigmaFinite μ...
[ 222, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 215, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.filter_cons_of_pos
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.209487\nγ : Type ?u.209490\np : α → Prop\ninst✝ : DecidablePred p\na : α\ns : Multiset α\nl : List α\nh : p a\n⊢ decide (p a) = true", "tactic": "simpa using h" } ]
[ 1969, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1968, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
ContinuousLinearEquiv.contDiffOn_comp_iff
[]
[ 494, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 491, 1 ]
Mathlib/LinearAlgebra/Basic.lean
LinearEquivClass.range
[]
[ 2141, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2139, 11 ]
Mathlib/LinearAlgebra/LinearIndependent.lean
LinearIndependent.option
[]
[ 1198, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1195, 1 ]
Mathlib/Data/Finset/NAry.lean
Finset.image₂_comm
[ { "state_after": "no goals", "state_before": "α : Type u_2\nα' : Type ?u.72072\nβ : Type u_3\nβ' : Type ?u.72078\nγ : Type u_1\nγ' : Type ?u.72084\nδ : Type ?u.72087\nδ' : Type ?u.72090\nε : Type ?u.72093\nε' : Type ?u.72096\nζ : Type ?u.72099\nζ' : Type ?u.72102\nν : Type ?u.72105\ninst✝⁷ : DecidableEq α'\...
[ 380, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 379, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.one_dotProduct
[]
[ 739, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 739, 1 ]
Mathlib/Algebra/Order/Group/Defs.lean
div_lt_div''
[ { "state_after": "α : Type u\ninst✝² : CommGroup α\ninst✝¹ : Preorder α\ninst✝ : CovariantClass α α (fun x x_1 => x * x_1) fun x x_1 => x < x_1\na b c d : α\nhab : a < b\nhcd : c < d\n⊢ a * c < b * d", "state_before": "α : Type u\ninst✝² : CommGroup α\ninst✝¹ : Preorder α\ninst✝ : CovariantClass α α (fun x ...
[ 1021, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1019, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.funext_iff
[]
[ 86, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.restrict_dirac'
[ { "state_after": "case h\nα : Type u_1\nmα : MeasurableSpace α\na : α\ns : Set α\nhs : MeasurableSet s\ninst✝ : Decidable (a ∈ s)\nt : Set α\nht : MeasurableSet t\n⊢ ↑↑(Measure.restrict (Measure.dirac a) s) t = ↑↑(if a ∈ s then Measure.dirac a else 0) t", "state_before": "α : Type u_1\nmα : MeasurableSpace ...
[ 63, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 52, 1 ]
Mathlib/Topology/Sheaves/SheafCondition/UniqueGluing.lean
TopCat.Sheaf.eq_of_locally_eq
[ { "state_after": "C : Type u\ninst✝⁴ : Category C\ninst✝³ : ConcreteCategory C\ninst✝² : HasLimits C\ninst✝¹ : ReflectsIsomorphisms ConcreteCategory.forget\ninst✝ : PreservesLimits ConcreteCategory.forget\nX : TopCat\nF : Sheaf C X\nι : Type v\nU : ι → Opens ↑X\ns t : (CategoryTheory.forget C).obj (F.val.obj (i...
[ 290, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 275, 1 ]
Mathlib/Data/Num/Lemmas.lean
Num.mod_to_nat
[ { "state_after": "no goals", "state_before": "⊢ ↑(0 % 0) = ↑0 % ↑0", "tactic": "simp" } ]
[ 1671, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1667, 1 ]
Mathlib/Analysis/Normed/Order/Lattice.lean
isClosed_nonneg
[ { "state_after": "α : Type ?u.119963\ninst✝¹ : NormedLatticeAddCommGroup α\nE : Type u_1\ninst✝ : NormedLatticeAddCommGroup E\n⊢ {x | 0 ≤ x} = NegPart.neg ⁻¹' {0}", "state_before": "α : Type ?u.119963\ninst✝¹ : NormedLatticeAddCommGroup α\nE : Type u_1\ninst✝ : NormedLatticeAddCommGroup E\n⊢ IsClosed {x | 0...
[ 223, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 217, 1 ]
Mathlib/Data/Nat/Choose/Basic.lean
Nat.multichoose_one
[ { "state_after": "case zero\n\n⊢ multichoose 1 zero = 1\n\ncase succ\nk : ℕ\nIH : multichoose 1 k = 1\n⊢ multichoose 1 (succ k) = 1", "state_before": "k : ℕ\n⊢ multichoose 1 k = 1", "tactic": "induction' k with k IH" }, { "state_after": "no goals", "state_before": "case succ\nk : ℕ\nIH : mul...
[ 379, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Data/Set/Function.lean
StrictAntiOn.comp_strictMonoOn
[]
[ 1572, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1569, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
Continuous.prod_mapL
[]
[ 1074, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1072, 1 ]
Mathlib/Analysis/NormedSpace/Multilinear.lean
ContinuousMultilinearMap.norm_mkPiAlgebraFin_le_of_pos
[ { "state_after": "case intro\n𝕜 : Type u\nι : Type v\nι' : Type v'\nE : ι → Type wE\nE₁ : ι → Type wE₁\nE' : ι' → Type wE'\nG : Type wG\nG' : Type wG'\ninst✝¹⁶ : Fintype ι\ninst✝¹⁵ : Fintype ι'\ninst✝¹⁴ : NontriviallyNormedField 𝕜\ninst✝¹³ : (i : ι) → NormedAddCommGroup (E i)\ninst✝¹² : (i : ι) → NormedSpace ...
[ 855, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 852, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.aevalTower_comp_algebraMap
[]
[ 1618, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1616, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Real.sin_pi_div_eight
[ { "state_after": "x : ℝ\n⊢ sin (π / 8) = sin (π / 2 ^ 3)\n\nx : ℝ\n⊢ sin (π / 2 ^ 3) = sqrt (2 - sqrt 2) / 2", "state_before": "x : ℝ\n⊢ sin (π / 8) = sqrt (2 - sqrt 2) / 2", "tactic": "trans sin (π / 2 ^ 3)" }, { "state_after": "case e_x.e_a\nx : ℝ\n⊢ 8 = 2 ^ 3\n\nx : ℝ\n⊢ sin (π / 2 ^ 3) = sqr...
[ 809, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 805, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
IsometryEquiv.preimage_ball
[ { "state_after": "no goals", "state_before": "ι : Type ?u.1037072\nα : Type u\nβ : Type v\nγ : Type w\ninst✝¹ : PseudoMetricSpace α\ninst✝ : PseudoMetricSpace β\nh✝ h : α ≃ᵢ β\nx : β\nr : ℝ\n⊢ ↑h ⁻¹' Metric.ball x r = Metric.ball (↑(IsometryEquiv.symm h) x) r", "tactic": "rw [← h.isometry.preimage_ball ...
[ 612, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 610, 1 ]
Mathlib/RingTheory/Derivation/Basic.lean
Derivation.toFun_eq_coe
[]
[ 80, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 79, 1 ]
Mathlib/Data/Num/Lemmas.lean
Num.ofInt'_toZNum
[ { "state_after": "no goals", "state_before": "α : Type ?u.860270\nn : ℕ\n⊢ toZNum ↑(n + 1) = ZNum.ofInt' ↑(n + 1)", "tactic": "rw [Nat.cast_succ, Num.add_one, toZNum_succ, ofInt'_toZNum n, Nat.cast_succ, succ_ofInt',\n ZNum.add_one]" } ]
[ 1277, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1273, 1 ]
Mathlib/Topology/Order.lean
induced_id
[]
[ 465, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 463, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.Bounded.dual
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : Preorder α\no₁ : WithBot α\no₂ : WithTop α\nh : Bounded nil o₁ o₂\n⊢ Bounded (Ordnode.dual nil) o₂ o₁", "tactic": "cases o₁ <;> cases o₂ <;> trivial" } ]
[ 907, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 904, 1 ]
Mathlib/SetTheory/Ordinal/FixedPoint.lean
Ordinal.derivBFamily_isNormal
[]
[ 366, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 364, 1 ]
Mathlib/AlgebraicTopology/DoldKan/GammaCompN.lean
AlgebraicTopology.DoldKan.N₁Γ₀_inv_app_f_f
[ { "state_after": "C : Type u_2\ninst✝² : Category C\ninst✝¹ : Preadditive C\ninst✝ : HasFiniteCoproducts C\nK : ChainComplex C ℕ\nn : ℕ\n⊢ HomologicalComplex.Hom.f\n ((toKaroubi (ChainComplex C ℕ)).map (Γ₀NondegComplexIso K).inv ≫\n (Splitting.toKaroubiNondegComplexIsoN₁ (Γ₀.splitting K)).hom).f\n...
[ 116, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 113, 1 ]
Mathlib/Algebra/Order/Monoid/Canonical/Defs.lean
le_self_mul
[]
[ 157, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 156, 1 ]
Mathlib/Algebra/TrivSqZeroExt.lean
TrivSqZeroExt.inl_mul_inl
[]
[ 475, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 473, 1 ]
Mathlib/AlgebraicTopology/ExtraDegeneracy.lean
CategoryTheory.Arrow.AugmentedCechNerve.ExtraDegeneracy.s_comp_π_0
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\nf : Arrow C\ninst✝ : ∀ (n : ℕ), HasWidePullback f.right (fun x => f.left) fun x => f.hom\nS : SplitEpi f.hom\nn : ℕ\n⊢ WidePullback.lift (WidePullback.base fun x => f.hom)\n (fun i =>\n if x : i = 0 then (WidePullback.base fun x => f.hom) ≫ S....
[ 286, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 280, 1 ]
Mathlib/Data/Finset/Pointwise.lean
Finset.inv_nonempty_iff
[]
[ 235, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.toBasicOpen_mk'
[ { "state_after": "no goals", "state_before": "R : Type u\ninst✝ : CommRing R\ns f : R\ng : { x // x ∈ Submonoid.powers s }\n⊢ ↑(toOpen R (PrimeSpectrum.basicOpen s)) f =\n ↑(toOpen R (PrimeSpectrum.basicOpen s)) ↑g *\n const R f (↑g) (PrimeSpectrum.basicOpen s)\n (_ : ∀ (x : ↑(PrimeSpectrum.T...
[ 631, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 627, 1 ]
Mathlib/Algebra/Support.lean
Function.mulSupport_inv'
[]
[ 286, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/CategoryTheory/EssentiallySmall.lean
CategoryTheory.Discrete.essentiallySmallOfSmall
[]
[ 83, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
ENNReal.coe_mul_rpow
[]
[ 510, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 509, 1 ]
Mathlib/Logic/Function/Basic.lean
Function.RightInverse.comp_eq_id
[]
[ 336, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 335, 1 ]
Mathlib/Algebra/BigOperators/Intervals.lean
Finset.prod_Ico_eq_div
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type w\ns₂ s₁ s : Finset α\na : α\ng f✝ : α → β\ninst✝¹ : CommMonoid β\nδ : Type u_1\ninst✝ : CommGroup δ\nf : ℕ → δ\nm n : ℕ\nh : m ≤ n\n⊢ ∏ k in Ico m n, f k = (∏ k in range n, f k) / ∏ k in range m, f k", "tactic": "simpa only ...
[ 108, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 106, 1 ]
Mathlib/Data/Polynomial/Reverse.lean
Polynomial.reflect_C_mul
[ { "state_after": "case a\nR : Type u_1\ninst✝ : Semiring R\nf✝ f : R[X]\nr : R\nN n✝ : ℕ\n⊢ coeff (reflect N (↑C r * f)) n✝ = coeff (↑C r * reflect N f) n✝", "state_before": "R : Type u_1\ninst✝ : Semiring R\nf✝ f : R[X]\nr : R\nN : ℕ\n⊢ reflect N (↑C r * f) = ↑C r * reflect N f", "tactic": "ext" }, ...
[ 143, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 141, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.le_of_le_of_equiv
[]
[ 780, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 779, 1 ]
Mathlib/Data/MvPolynomial/Rename.lean
MvPolynomial.killCompl_comp_rename
[ { "state_after": "σ : Type u_1\nτ : Type u_3\nα : Type ?u.345007\nR : Type u_2\nS : Type ?u.345013\ninst✝¹ : CommSemiring R\ninst✝ : CommSemiring S\nf : σ → τ\nhf : Injective f\ni : σ\n⊢ ↑(killCompl hf) (↑(rename f) (X i)) = X i", "state_before": "σ : Type u_1\nτ : Type u_3\nα : Type ?u.345007\nR : Type u_2...
[ 142, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.val_fin_lt
[]
[ 304, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 303, 1 ]