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start
list
Mathlib/Topology/SubsetProperties.lean
nhdsContainBoxes_of_singleton
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Type ?u.56931\nπ : ι → Type ?u.56936\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSpace β\ns t : Set α\nx : α\ny : β\nn : Set (α × β)\nhn : IsOpen n\nhp : {x} ×ˢ {y} ⊆ n\n⊢ (x, y) ∈ {x} ×ˢ {y}", "tactic": "simp" }, { "...
[ 663, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 660, 1 ]
Mathlib/Data/List/Lemmas.lean
List.injOn_insertNth_index_of_not_mem
[ { "state_after": "case nil\nα : Type u_1\nβ : Type ?u.14\nγ : Type ?u.17\nl : List α\nx : α\nhx✝ : ¬x ∈ l\nhx : ¬x ∈ []\n⊢ Set.InjOn (fun k => insertNth k x []) {n | n ≤ length []}\n\ncase cons\nα : Type u_1\nβ : Type ?u.14\nγ : Type ?u.17\nl : List α\nx : α\nhx✝ : ¬x ∈ l\nhd : α\ntl : List α\nIH : ¬x ∈ tl → Se...
[ 44, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 26, 1 ]
Mathlib/Data/List/Basic.lean
List.indexOf_nthLe
[]
[ 1411, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1410, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_pow
[]
[ 1458, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1457, 1 ]
Mathlib/Topology/Order/Basic.lean
gt_mem_nhds
[]
[ 920, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 919, 1 ]
Mathlib/Data/Finset/NAry.lean
Set.toFinset_image2
[ { "state_after": "no goals", "state_before": "α : Type u_1\nα' : Type ?u.106504\nβ : Type u_2\nβ' : Type ?u.106510\nγ : Type u_3\nγ' : Type ?u.106516\nδ : Type ?u.106519\nδ' : Type ?u.106522\nε : Type ?u.106525\nε' : Type ?u.106528\nζ : Type ?u.106531\nζ' : Type ?u.106534\nν : Type ?u.106537\ninst✝³ : Decid...
[ 560, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 558, 1 ]
Mathlib/Order/SymmDiff.lean
bihimp_inf_sup
[]
[ 312, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 311, 1 ]
Mathlib/Logic/Basic.lean
bex_or
[]
[ 1105, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1104, 1 ]
Mathlib/Topology/Algebra/Group/Basic.lean
isOpenMap_inv
[]
[ 344, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 343, 1 ]
Mathlib/Algebra/Polynomial/BigOperators.lean
Polynomial.natDegree_sum_le
[ { "state_after": "no goals", "state_before": "R : Type u\nι : Type w\ns : Finset ι\nS : Type u_1\ninst✝ : Semiring S\nf : ι → S[X]\n⊢ natDegree (∑ i in s, f i) ≤ Finset.fold max 0 (natDegree ∘ f) s", "tactic": "simpa using natDegree_multiset_sum_le (s.val.map f)" } ]
[ 62, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Data/Set/Image.lean
Set.image_id
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.39809\nγ : Type ?u.39812\nι : Sort ?u.39815\nι' : Sort ?u.39818\nf : α → β\ns✝ t s : Set α\n⊢ id '' s = s", "tactic": "simp" } ]
[ 380, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 380, 1 ]
Mathlib/Data/Finsupp/Order.lean
Finsupp.inf_apply
[]
[ 103, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.ext_of_generateFrom_of_cover_subset
[ { "state_after": "α : Type u_1\nβ : Type ?u.322475\nγ : Type ?u.322478\nδ : Type ?u.322481\nι : Type ?u.322484\nR : Type ?u.322487\nR' : Type ?u.322490\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 T : Set (Set α)\nh_gen : m0...
[ 1947, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1941, 1 ]
Mathlib/Geometry/Euclidean/Basic.lean
EuclideanGeometry.dist_orthogonalProjection_ne_zero_of_not_mem
[]
[ 425, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 423, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.const_equiv
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nx y : β\n⊢ LimZero (const x - const y) ↔ x = y", "tactic": "rw [← const_sub, const_limZero, sub_eq_zero]" } ]
[ 560, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 559, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.tendsto_nhds_of_Icc
[ { "state_after": "α : Type u_1\nβ : Type ?u.73089\nγ : Type ?u.73092\na✝ b c d : ℝ≥0∞\nr p q : ℝ≥0\nx y z ε ε₁ ε₂ : ℝ≥0∞\ns : Set ℝ≥0∞\nf : Filter α\nu : α → ℝ≥0∞\na : ℝ≥0∞\nh : ∀ (ε : ℝ≥0∞), ε > 0 → ∀ᶠ (x : α) in f, u x ∈ Icc (a - ε) (a + ε)\n⊢ Tendsto u f (⨅ (ε : ℝ≥0∞) (_ : ε > 0), 𝓟 (Icc (a - ε) (a + ε)))",...
[ 273, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 270, 11 ]
Mathlib/Logic/Equiv/LocalEquiv.lean
LocalEquiv.symm_image_image_of_subset_source
[]
[ 530, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 529, 1 ]
Mathlib/Data/MvPolynomial/Basic.lean
MvPolynomial.eval₂_comp_left
[ { "state_after": "no goals", "state_before": "R : Type u\nS₁ : Type v\nS₂✝ : Type w\nS₃ : Type x\nσ : Type u_2\na a' a₁ a₂ : R\ne : ℕ\nn m : σ\ns : σ →₀ ℕ\ninst✝² : CommSemiring R\ninst✝¹ : CommSemiring S₁\np✝ q : MvPolynomial σ R\nf✝ : R →+* S₁\ng✝ : σ → S₁\nS₂ : Type u_1\ninst✝ : CommSemiring S₂\nk : S₁ →...
[ 1077, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1074, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Continuity.lean
Real.continuousAt_const_rpow
[ { "state_after": "a b : ℝ\nh : a ≠ 0\nthis : rpow a = fun x => (↑a ^ ↑x).re\n⊢ ContinuousAt (rpow a) b", "state_before": "a b : ℝ\nh : a ≠ 0\n⊢ ContinuousAt (rpow a) b", "tactic": "have : rpow a = fun x : ℝ => ((a : ℂ) ^ (x : ℂ)).re := by\n ext1 x\n rw [rpow_eq_pow, rpow_def]" }, { "state_afte...
[ 189, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 182, 1 ]
Mathlib/MeasureTheory/Function/LpSeminorm.lean
MeasureTheory.snorm'_norm_rpow
[ { "state_after": "α : Type u_1\nE : Type ?u.1597979\nF : Type u_2\nG : Type ?u.1597985\nm m0 : MeasurableSpace α\np✝ : ℝ≥0∞\nq✝ : ℝ\nμ ν : Measure α\ninst✝² : NormedAddCommGroup E\ninst✝¹ : NormedAddCommGroup F\ninst✝ : NormedAddCommGroup G\nf : α → F\np q : ℝ\nhq_pos : 0 < q\n⊢ (∫⁻ (a : α), ↑‖‖f a‖ ^ q‖₊ ^ p ∂...
[ 489, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 479, 1 ]
Mathlib/Analysis/InnerProductSpace/Basic.lean
abs_real_inner_le_norm
[]
[ 1111, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1110, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.Integrable.toL1_smul'
[]
[ 1427, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1425, 1 ]
Mathlib/Algebra/Group/Basic.lean
div_mul_div_cancel''
[ { "state_after": "α : Type ?u.73822\nβ : Type ?u.73825\nG : Type u_1\ninst✝ : CommGroup G\na✝ b✝ c✝ d a b c : G\n⊢ c / a * (a / b) = c / b", "state_before": "α : Type ?u.73822\nβ : Type ?u.73825\nG : Type u_1\ninst✝ : CommGroup G\na✝ b✝ c✝ d a b c : G\n⊢ a / b * (c / a) = c / b", "tactic": "rw [mul_comm...
[ 1001, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1000, 1 ]
Mathlib/Topology/Algebra/Algebra.lean
Algebra.self_mem_elementalAlgebra
[]
[ 179, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 177, 1 ]
Mathlib/CategoryTheory/Generator.lean
CategoryTheory.IsCodetector.isCoseparator
[]
[ 445, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 444, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Real.lean
Complex.abs_cpow_le
[ { "state_after": "case inr\nw : ℂ\n⊢ ↑abs (0 ^ w) ≤ 0 ^ w.re / Real.exp (arg 0 * w.im)", "state_before": "z w : ℂ\n⊢ ↑abs (z ^ w) ≤ ↑abs z ^ w.re / Real.exp (arg z * w.im)", "tactic": "rcases ne_or_eq z 0 with (hz | rfl) <;> [exact (abs_cpow_of_ne_zero hz w).le; rw [map_zero]]" }, { "state_after...
[ 280, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 276, 1 ]
Mathlib/Topology/Basic.lean
interior_iInter_subset
[]
[ 390, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 389, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.cons_subset_cons
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.39773\nγ : Type ?u.39776\ns t : Finset α\na b : α\nhs : ¬a ∈ s\nht : ¬a ∈ t\n⊢ cons a s hs ⊆ cons a t ht ↔ s ⊆ t", "tactic": "rwa [← coe_subset, coe_cons, coe_cons, Set.insert_subset_insert_iff, coe_subset]" } ]
[ 894, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 893, 1 ]
Mathlib/Data/IsROrC/Basic.lean
IsROrC.normSq_conj
[ { "state_after": "no goals", "state_before": "K : Type u_1\nE : Type ?u.4535146\ninst✝ : IsROrC K\nz : K\n⊢ ↑normSq (↑(starRingEnd K) z) = ↑normSq z", "tactic": "simp only [normSq_apply, neg_mul, mul_neg, neg_neg, isROrC_simps]" } ]
[ 503, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 502, 1 ]
Mathlib/Topology/Order/Basic.lean
Filter.Tendsto.max_right
[ { "state_after": "case h.e'_5.h.e'_3\nα : Type u\nβ : Type v\nγ : Type w\ninst✝² : TopologicalSpace α\ninst✝¹ : LinearOrder α\ninst✝ : OrderClosedTopology α\nf g : β → α\nl : Filter β\na : α\nh : Tendsto f l (𝓝 a)\n⊢ a = ((fun p => max p.fst p.snd) ∘ fun b => (a, b)) a", "state_before": "α : Type u\nβ : Ty...
[ 714, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 711, 11 ]
Mathlib/Data/Int/GCD.lean
Int.gcd_dvd_gcd_mul_left_right
[]
[ 354, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 353, 1 ]
Mathlib/NumberTheory/RamificationInertia.lean
Ideal.Factors.inertiaDeg_ne_zero
[ { "state_after": "R : Type u\ninst✝⁶ : CommRing R\nS : Type v\ninst✝⁵ : CommRing S\nf : R →+* S\np : Ideal R\nP✝ : Ideal S\ninst✝⁴ : IsDomain S\ninst✝³ : IsDedekindDomain S\ninst✝² : Algebra R S\ninst✝¹ : IsNoetherian R S\ninst✝ : IsMaximal p\nP : { x // x ∈ Multiset.toFinset (factors (map (algebraMap R S) p)) ...
[ 749, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 747, 1 ]
Mathlib/Data/Nat/Size.lean
Nat.one_shiftl
[]
[ 42, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 41, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.iInf_sets_induct
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.113425\nι : Sort x\nf✝ g : Filter α\ns✝ t : Set α\nf : ι → Filter α\ns : Set α\nhs : ∃ t, s ∈ ⨅ (i : PLift ι) (_ : i ∈ t), f i.down\np : Set α → Prop\nuni : p univ\nins : ∀ {i : ι} {s₁ s₂ : Set α}, s₁ ∈ f i → p s₂ → p (s₁ ∩ s₂)\n⊢ p s", "stat...
[ 958, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 948, 1 ]
Mathlib/Algebra/Order/Hom/Monoid.lean
OrderMonoidHom.toFun_eq_coe
[]
[ 318, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 317, 1 ]
Mathlib/Analysis/Calculus/UniformLimitsDeriv.lean
hasDerivAt_of_tendstoUniformlyOn
[]
[ 560, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 555, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.self_mem_ae_restrict
[ { "state_after": "α : Type u_1\nβ : Type ?u.588993\nγ : Type ?u.588996\nδ : Type ?u.588999\nι : Type ?u.589002\nR : Type ?u.589005\nR' : Type ?u.589008\nm0 : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nμ μ₁ μ₂ μ₃ ν ν' ν₁ ν₂ : Measure α\ns✝ s' t s : Set α\nhs : MeasurableSet s\n⊢ ∃ ...
[ 2921, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2919, 1 ]
Mathlib/GroupTheory/Subsemigroup/Centralizer.lean
Subsemigroup.centralizer_le
[]
[ 201, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/RingTheory/SimpleModule.lean
LinearMap.bijective_or_eq_zero
[ { "state_after": "case pos\nR : Type u_1\ninst✝⁶ : Ring R\nM : Type u_2\ninst✝⁵ : AddCommGroup M\ninst✝⁴ : Module R M\nm : Submodule R M\nN : Type u_3\ninst✝³ : AddCommGroup N\ninst✝² : Module R N\ninst✝¹ : IsSimpleModule R M\ninst✝ : IsSimpleModule R N\nf : M →ₗ[R] N\nh : f = 0\n⊢ Function.Bijective ↑f ∨ f = 0...
[ 160, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 155, 1 ]
Mathlib/Topology/Algebra/GroupWithZero.lean
Homeomorph.coe_mulRight₀
[]
[ 270, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
Mathlib/Data/Sym/Sym2.lean
Sym2.Rel.trans
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.533\nγ : Type ?u.536\nx y z : α × α\na : Rel α x y\nb : Rel α y z\n⊢ Rel α x z", "tactic": "aesop (rule_sets [Sym2])" } ]
[ 81, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.eq_zero_of_subset_zero
[]
[ 428, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 427, 1 ]
Mathlib/FieldTheory/Separable.lean
IsSeparable.isIntegral
[]
[ 506, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 505, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Basic.lean
HasFDerivAtFilter.mono
[]
[ 354, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 352, 8 ]
Mathlib/LinearAlgebra/Finsupp.lean
LinearMap.splittingOfFunOnFintypeSurjective_injective
[]
[ 1267, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1265, 1 ]
Mathlib/Topology/MetricSpace/HausdorffDistance.lean
Metric.closure_thickening_subset_cthickening
[]
[ 1143, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1141, 1 ]
Mathlib/GroupTheory/SpecificGroups/Quaternion.lean
QuaternionGroup.xa_mul_a
[]
[ 126, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/Algebra/Star/StarAlgHom.lean
NonUnitalStarAlgHom.coe_copy
[]
[ 163, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 162, 1 ]
Mathlib/Data/Finset/Pi.lean
Finset.pi_singletons
[ { "state_after": "α : Type u_2\nβ✝ : α → Type u\nδ : α → Sort v\ninst✝ : DecidableEq α\nβ : Type u_1\ns : Finset α\nf : α → β\n⊢ ((fun a x => f a) ∈ pi s fun a => {f a}) ∧ ∀ (x : (a : α) → a ∈ s → β), (x ∈ pi s fun a => {f a}) → x = fun a x => f a", "state_before": "α : Type u_2\nβ✝ : α → Type u\nδ : α → So...
[ 122, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 114, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Inverse.lean
Real.neg_pi_div_two_eq_arcsin
[]
[ 265, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/Init/Meta/WellFoundedTactics.lean
Nat.lt_add_of_zero_lt_left
[ { "state_after": "case h\na b : ℕ\nh : 0 < b\n⊢ 0 < b", "state_before": "a b : ℕ\nh : 0 < b\n⊢ a + 0 < a + b", "tactic": "apply Nat.add_lt_add_left" }, { "state_after": "no goals", "state_before": "case h\na b : ℕ\nh : 0 < b\n⊢ 0 < b", "tactic": "assumption" } ]
[ 19, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 16, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Mul.lean
fderiv_clm_apply
[]
[ 160, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 158, 1 ]
Mathlib/Data/Set/Equitable.lean
Set.Subsingleton.equitableOn
[ { "state_after": "α : Type u_1\nβ : Type u_2\ninst✝ : OrderedSemiring β\ns : Set α\nhs : Set.Subsingleton s\nf : α → β\ni j : α\nhi : i ∈ s\nhj : j ∈ s\n⊢ f j ≤ f j + 1", "state_before": "α : Type u_1\nβ : Type u_2\ninst✝ : OrderedSemiring β\ns : Set α\nhs : Set.Subsingleton s\nf : α → β\ni j : α\nhi : i ∈ ...
[ 77, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 74, 1 ]
Mathlib/Algebra/Group/ULift.lean
ULift.one_down
[]
[ 40, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 39, 1 ]
Mathlib/Algebra/Order/Interval.lean
NonemptyInterval.fst_sub
[]
[ 358, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 357, 1 ]
Mathlib/Logic/Relation.lean
Relation.ReflTransGen.lift'
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.26340\nδ : Type ?u.26343\nr : α → α → Prop\na✝ b✝ c d : α\np : β → β → Prop\na b : α\nf : α → β\nh : ∀ (a b : α), r a b → ReflTransGen p (f a) (f b)\nhab : ReflTransGen r a b\n⊢ ReflTransGen p (f a) (f b)", "tactic": "...
[ 564, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 561, 1 ]
Std/Data/Int/DivMod.lean
Int.mul_emod_left
[ { "state_after": "no goals", "state_before": "a b : Int\n⊢ a * b % b = 0", "tactic": "rw [← Int.zero_add (a * b), Int.add_mul_emod_self, Int.zero_emod]" } ]
[ 462, 68 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 461, 9 ]
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
Matrix.inv_mul_cancel_left_of_invertible
[]
[ 371, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 370, 1 ]
Mathlib/Data/QPF/Multivariate/Constructions/Const.lean
MvQPF.Const.map_mk
[]
[ 69, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/Order/SemiconjSup.lean
IsOrderRightAdjoint.comp_orderIso
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\ninst✝² : Preorder α\ninst✝¹ : Preorder β\ninst✝ : Preorder γ\nf : α → β\ng : β → α\nh : IsOrderRightAdjoint f g\ne : γ ≃o α\ny : β\n⊢ IsLUB {x | (f ∘ ↑e) x ≤ y} ((↑(OrderIso.symm e) ∘ g) y)", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type u_...
[ 81, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 76, 1 ]
Mathlib/Order/LiminfLimsup.lean
Filter.IsBoundedUnder.mono
[]
[ 103, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/Topology/Algebra/ContinuousAffineMap.lean
ContinuousAffineMap.coe_sub
[]
[ 233, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 233, 1 ]
Mathlib/CategoryTheory/Limits/Constructions/ZeroObjects.lean
CategoryTheory.Limits.inr_pushoutZeroZeroIso_inv
[ { "state_after": "no goals", "state_before": "C : Type u_2\ninst✝³ : Category C\ninst✝² : HasZeroObject C\ninst✝¹ : HasZeroMorphisms C\nX Y : C\ninst✝ : HasBinaryCoproduct X Y\n⊢ coprod.inr ≫ (pushoutZeroZeroIso X Y).inv = pushout.inr", "tactic": "simp [Iso.comp_inv_eq]" } ]
[ 230, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 229, 1 ]
Mathlib/Topology/Semicontinuous.lean
upperSemicontinuousWithinAt_sum
[]
[ 969, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 966, 1 ]
Mathlib/Analysis/Normed/Field/Basic.lean
norm_mul
[]
[ 508, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 507, 1 ]
Mathlib/FieldTheory/Subfield.lean
Subfield.list_prod_mem
[]
[ 290, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 289, 11 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.mul_limZero_left
[ { "state_after": "α : Type u_1\nβ : Type u_2\ninst✝² : LinearOrderedField α\ninst✝¹ : Ring β\nabv : β → α\ninst✝ : IsAbsoluteValue abv\nf g : CauSeq β abv\nhg : LimZero f\nε : α\nε0 : ε > 0\nG : α\nG0 : G > 0\nhG : ∀ (i : ℕ), abv (↑g i) < G\ni : ℕ\nH : ∀ (j : ℕ), j ≥ i → abv (↑f j) < ε / G\nj : ℕ\nij : j ≥ i\nt...
[ 438, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 433, 1 ]
Mathlib/CategoryTheory/Preadditive/Basic.lean
CategoryTheory.Preadditive.kernelForkOfFork_ofι
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX Y : C\nf g : X ⟶ Y\nP : C\nι : P ⟶ X\nw : ι ≫ f = ι ≫ g\n⊢ ι ≫ (f - g) = 0", "tactic": "simp [w]" } ]
[ 327, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 325, 1 ]
Mathlib/CategoryTheory/Subobject/Limits.lean
CategoryTheory.Limits.image_map_comp_imageSubobjectIso_inv
[ { "state_after": "case h\nC : Type u\ninst✝⁴ : Category C\nX✝ Y✝ Z✝ : C\nf✝ : X✝ ⟶ Y✝\ninst✝³ : HasImage f✝\nW X Y Z : C\nf : W ⟶ X\ninst✝² : HasImage f\ng : Y ⟶ Z\ninst✝¹ : HasImage g\nsq : Arrow.mk f ⟶ Arrow.mk g\ninst✝ : HasImageMap sq\n⊢ (image.map sq ≫ (imageSubobjectIso (Arrow.mk g).hom).inv) ≫ arrow (ima...
[ 478, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 473, 1 ]
Std/Data/RBMap/WF.lean
Std.RBNode.Balanced.map
[]
[ 483, 41 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 480, 11 ]
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
NNReal.rpow_lt_rpow_iff
[]
[ 153, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
src/lean/Init/Control/Lawful.lean
ExceptT.lift_pure
[ { "state_after": "no goals", "state_before": "m : Type u_1 → Type u_2\nα ε : Type u_1\ninst✝¹ : Monad m\ninst✝ : LawfulMonad m\na : α\n⊢ ExceptT.lift (pure a) = pure a", "tactic": "simp [ExceptT.lift, pure, ExceptT.pure]" } ]
[ 129, 42 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 128, 9 ]
Mathlib/Order/Monotone/Basic.lean
StrictAntiOn.le_iff_le
[]
[ 781, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 779, 1 ]
Mathlib/Analysis/Calculus/LagrangeMultipliers.lean
IsLocalExtrOn.exists_linear_map_of_hasStrictFDerivAt
[ { "state_after": "case intro.intro\nE : Type u_1\nF : Type u_2\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace ℝ E\ninst✝³ : CompleteSpace E\ninst✝² : NormedAddCommGroup F\ninst✝¹ : NormedSpace ℝ F\ninst✝ : CompleteSpace F\nf : E → F\nφ : E → ℝ\nx₀ : E\nf' : E →L[ℝ] F\nφ' : E →L[ℝ] ℝ\nhextr : IsLocalExtrOn...
[ 80, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/MeasureTheory/Integral/SetToL1.lean
MeasureTheory.DominatedFinMeasAdditive.of_measure_le
[ { "state_after": "α : Type u_1\nE : Type ?u.111298\nF : Type ?u.111301\nF' : Type ?u.111304\nG : Type ?u.111307\n𝕜 : Type ?u.111310\np : ℝ≥0∞\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace ℝ E\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace ℝ F\ninst✝³ : NormedAddCommGroup F'\ninst✝² : NormedSpace ℝ...
[ 243, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 235, 1 ]
Mathlib/Order/Heyting/Hom.lean
BiheytingHom.id_comp
[]
[ 602, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 601, 1 ]
Mathlib/RingTheory/Polynomial/Content.lean
Polynomial.isPrimitive_iff_isUnit_of_C_dvd
[]
[ 50, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 49, 1 ]
Mathlib/CategoryTheory/Monoidal/OfChosenFiniteProducts/Basic.lean
CategoryTheory.Limits.BinaryFan.assocInv_fst
[]
[ 130, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/LinearAlgebra/Multilinear/Basic.lean
MultilinearMap.neg_apply
[]
[ 1104, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1103, 1 ]
Mathlib/Algebra/Order/Monoid/Lemmas.lean
le_one_of_mul_le_right
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.15994\ninst✝² : MulOneClass α\ninst✝¹ : LE α\ninst✝ : ContravariantClass α α (fun x x_1 => x * x_1) fun x x_1 => x ≤ x_1\na b : α\nh : a * b ≤ a\n⊢ ?m.16338 h * b ≤ ?m.16338 h * 1", "tactic": "simpa only [mul_one]" } ]
[ 378, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 376, 1 ]
Mathlib/GroupTheory/Commensurable.lean
Commensurable.trans
[]
[ 60, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 58, 1 ]
Mathlib/Analysis/SpecificLimits/Normed.lean
summable_geometric_of_abs_lt_1
[]
[ 310, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 309, 1 ]
Mathlib/Analysis/Convex/Quasiconvex.lean
AntitoneOn.quasilinearOn
[]
[ 205, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 204, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
measurable_piEquivPiSubtypeProd_symm
[ { "state_after": "α : Type ?u.366644\nβ : Type ?u.366647\nγ : Type ?u.366650\nδ : Type u_1\nδ' : Type ?u.366656\nι : Sort uι\ns t u : Set α\nπ : δ → Type u_2\ninst✝³ : MeasurableSpace α\ninst✝² : (a : δ) → MeasurableSpace (π a)\ninst✝¹ : MeasurableSpace γ\np : δ → Prop\ninst✝ : DecidablePred p\nj : δ\n⊢ Measura...
[ 923, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 912, 1 ]
Mathlib/Algebra/AddTorsor.lean
vsub_eq_zero_iff_eq
[]
[ 140, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/GroupTheory/Coset.lean
rightCoset_eq_iff
[ { "state_after": "α : Type u_1\ninst✝ : Group α\ns : Subgroup α\nx y : α\n⊢ (∀ (x_1 : α), x_1 ∈ ↑s *r x ↔ x_1 ∈ ↑s *r y) ↔ y * x⁻¹ ∈ s", "state_before": "α : Type u_1\ninst✝ : Group α\ns : Subgroup α\nx y : α\n⊢ ↑s *r x = ↑s *r y ↔ y * x⁻¹ ∈ s", "tactic": "rw [Set.ext_iff]" }, { "state_after": "...
[ 299, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 288, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.mem_support_iff
[ { "state_after": "no goals", "state_before": "V : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\nu v w : V\np : Walk G u v\n⊢ w ∈ support p ↔ w = u ∨ w ∈ List.tail (support p)", "tactic": "cases p <;> simp" } ]
[ 588, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 587, 1 ]
Mathlib/Algebra/GradedMonoid.lean
SetLike.list_prod_map_mem_graded
[ { "state_after": "no goals", "state_before": "ι : Type u_4\nR : Type u_2\nS : Type u_3\ninst✝³ : SetLike S R\ninst✝² : Monoid R\ninst✝¹ : AddMonoid ι\nA : ι → S\ninst✝ : GradedMonoid A\nι' : Type u_1\nl : List ι'\ni : ι' → ι\nr : ι' → R\nh : ∀ (j : ι'), j ∈ l → r j ∈ A (i j)\n⊢ List.prod (List.map r l) ∈ A ...
[ 579, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 569, 1 ]
Mathlib/Order/Heyting/Boundary.lean
Coheyting.boundary_le_boundary_sup_sup_boundary_inf_left
[ { "state_after": "α : Type u_1\ninst✝ : CoheytingAlgebra α\na b : α\n⊢ ((a ⊓ ¬a ≤ a ⊔ (a ⊔ b) ∧ a ⊓ ¬a ≤ a ⊔ ¬(a ⊔ b)) ∧ a ⊓ ¬a ≤ a ⊔ b ∧ a ⊓ ¬a ≤ ¬(a ⊔ b) ⊔ b) ∧\n a ⊓ ¬a ≤ a ⊔ (b ⊔ ¬(a ⊓ b)) ∧ a ⊓ ¬a ≤ ¬(a ⊔ b) ⊔ ¬(a ⊓ b)", "state_before": "α : Type u_1\ninst✝ : CoheytingAlgebra α\na b : α\n⊢ ∂ a ≤ ∂ (...
[ 120, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 108, 1 ]
Mathlib/MeasureTheory/Integral/Lebesgue.lean
MeasureTheory.lintegral_congr_ae
[]
[ 320, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 319, 1 ]
Mathlib/Data/Set/Sigma.lean
Set.exists_sigma_iff
[]
[ 89, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 87, 1 ]
Mathlib/Topology/Inseparable.lean
SeparationQuotient.map_mk_nhdsWithin_preimage
[ { "state_after": "no goals", "state_before": "X : Type u_1\nY : Type ?u.91061\nZ : Type ?u.91064\nα : Type ?u.91067\nι : Type ?u.91070\nπ : ι → Type ?u.91075\ninst✝³ : TopologicalSpace X\ninst✝² : TopologicalSpace Y\ninst✝¹ : TopologicalSpace Z\ninst✝ : (i : ι) → TopologicalSpace (π i)\nx✝ y z : X\ns✝ : Set...
[ 521, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 519, 1 ]
Mathlib/Analysis/Complex/UnitDisc/Basic.lean
Complex.UnitDisc.one_add_coe_ne_zero
[]
[ 72, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 71, 1 ]
Mathlib/MeasureTheory/Measure/FiniteMeasure.lean
MeasureTheory.FiniteMeasure.zero_mass
[]
[ 174, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 173, 1 ]
Mathlib/LinearAlgebra/LinearIndependent.lean
not_linearIndependent_iff
[ { "state_after": "ι : Type u'\nι' : Type ?u.26530\nR : Type u_1\nK : Type ?u.26536\nM : Type u_2\nM' : Type ?u.26542\nM'' : Type ?u.26545\nV : Type u\nV' : Type ?u.26550\nv : ι → M\ninst✝⁶ : Semiring R\ninst✝⁵ : AddCommMonoid M\ninst✝⁴ : AddCommMonoid M'\ninst✝³ : AddCommMonoid M''\ninst✝² : Module R M\ninst✝¹ ...
[ 151, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 147, 1 ]
Mathlib/RingTheory/UniqueFactorizationDomain.lean
UniqueFactorizationMonoid.multiplicative_prime_power
[ { "state_after": "α : Type u_1\nR : Type ?u.1623144\ninst✝⁴ : CancelCommMonoidWithZero R\ninst✝³ : UniqueFactorizationMonoid R\ninst✝² : CancelCommMonoidWithZero α\ninst✝¹ : UniqueFactorizationMonoid α\nβ : Type u_2\ninst✝ : CancelCommMonoidWithZero β\nf : α → β\ns : Finset α\ni j : α → ℕ\nis_prime : ∀ (p : α),...
[ 1134, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1118, 1 ]
Mathlib/Init/Algebra/Order.lean
le_total
[]
[ 300, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 299, 1 ]
Mathlib/RingTheory/HahnSeries.lean
HahnSeries.order_of_ne
[]
[ 231, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 229, 1 ]
Mathlib/Data/Polynomial/Div.lean
Polynomial.modByMonic_zero
[ { "state_after": "R : Type u\nS : Type v\nT : Type w\nA : Type z\na b : R\nn : ℕ\ninst✝ : Ring R\np✝ q p : R[X]\nh : Monic 0\nthis : Subsingleton R\n⊢ p %ₘ 0 = p", "state_before": "R : Type u\nS : Type v\nT : Type w\nA : Type z\na b : R\nn : ℕ\ninst✝ : Ring R\np✝ q p : R[X]\nh : Monic 0\n⊢ p %ₘ 0 = p", ...
[ 195, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 191, 1 ]
Mathlib/Data/Polynomial/Degree/TrailingDegree.lean
Polynomial.trailingDegree_lt_wf
[]
[ 54, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 53, 1 ]