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Mathlib/Data/Real/ENNReal.lean
ENNReal.le_inv_iff_le_inv
[ { "state_after": "no goals", "state_before": "α : Type ?u.269244\nβ : Type ?u.269247\na b c d : ℝ≥0∞\nr p q : ℝ≥0\n⊢ a ≤ b⁻¹ ↔ b ≤ a⁻¹", "tactic": "simpa only [inv_inv] using @ENNReal.inv_le_inv a⁻¹ b" } ]
[ 1500, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1499, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.get_bind
[]
[ 823, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 821, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.lt_congr_right
[]
[ 862, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 861, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
Measurable.measurable_of_countable_ne
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.44496\nδ : Type ?u.44499\nδ' : Type ?u.44502\nι : Sort uι\ns t✝ u : Set α\nf g : α → β\nm : MeasurableSpace α\nmβ : MeasurableSpace β\ninst✝ : MeasurableSingletonClass α\nhf : Measurable f\nh : Set.Countable {x | f x ≠ g x}\nt : Set β\nht : MeasurableSet...
[ 365, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 354, 1 ]
Mathlib/Data/Finset/Card.lean
Finset.card_map
[]
[ 253, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 252, 1 ]
Mathlib/Data/Multiset/Powerset.lean
Multiset.powersetLen_coe
[]
[ 242, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.exists_mem_subset_iff
[]
[ 212, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.permCongr_symm_apply
[]
[ 446, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 445, 1 ]
Mathlib/Topology/SubsetProperties.lean
Filter.coprodᵢ_cocompact
[ { "state_after": "α : Type u\nβ : Type v\nι : Type ?u.140164\nπ : ι → Type ?u.140169\ninst✝³ : TopologicalSpace α\ninst✝² : TopologicalSpace β\ns t : Set α\ninst✝¹ : (i : ι) → TopologicalSpace (π i)\nδ : Type u_1\nκ : δ → Type u_2\ninst✝ : (d : δ) → TopologicalSpace (κ d)\n⊢ cocompact ((d : δ) → κ d) ≤ Filter.c...
[ 1057, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1051, 1 ]
Mathlib/ModelTheory/Semantics.lean
FirstOrder.Language.BoundedFormula.realize_restrictFreeVar
[ { "state_after": "case falsum\nL : Language\nL' : Language\nM : Type w\nN : Type ?u.135581\nP : Type ?u.135584\ninst✝³ : Structure L M\ninst✝² : Structure L N\ninst✝¹ : Structure L P\nα : Type u'\nβ : Type v'\nn✝¹ l : ℕ\nφ✝ ψ : BoundedFormula L α l\nθ : BoundedFormula L α (Nat.succ l)\nv✝ : α → M\nxs✝¹ : Fin l ...
[ 474, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 466, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
one_div_le_one_div_of_le
[ { "state_after": "no goals", "state_before": "ι : Type ?u.82335\nα : Type u_1\nβ : Type ?u.82341\ninst✝ : LinearOrderedSemifield α\na b c d e : α\nm n : ℤ\nha : 0 < a\nh : a ≤ b\n⊢ 1 / b ≤ 1 / a", "tactic": "simpa using inv_le_inv_of_le ha h" } ]
[ 454, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 453, 1 ]
Mathlib/NumberTheory/Padics/RingHoms.lean
PadicInt.lift_unique
[ { "state_after": "case a\np : ℕ\nhp_prime : Fact (Nat.Prime p)\nR : Type u_1\ninst✝ : NonAssocSemiring R\nf : (k : ℕ) → R →+* ZMod (p ^ k)\nf_compat : ∀ (k1 k2 : ℕ) (hk : k1 ≤ k2), RingHom.comp (ZMod.castHom (_ : p ^ k1 ∣ p ^ k2) (ZMod (p ^ k1))) (f k2) = f k1\ng : R →+* ℤ_[p]\nhg : ∀ (n : ℕ), RingHom.comp (toZ...
[ 659, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 651, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/EulerSineProd.lean
EulerSine.integral_cos_pow_eq
[ { "state_after": "z : ℂ\nn✝ n : ℕ\n⊢ ((∫ (x : ℝ) in 0 ..π / 2, cos x ^ n) + ∫ (x : ℝ) in 0 ..π / 2, cos x ^ n) = ∫ (x : ℝ) in 0 ..π, sin x ^ n", "state_before": "z : ℂ\nn✝ n : ℕ\n⊢ (∫ (x : ℝ) in 0 ..π / 2, cos x ^ n) = 1 / 2 * ∫ (x : ℝ) in 0 ..π, sin x ^ n", "tactic": "rw [mul_comm (1 / 2 : ℝ), ← div_eq...
[ 206, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 188, 1 ]
Mathlib/Data/Nat/Fib.lean
Nat.fib_two_mul_add_two
[ { "state_after": "n : ℕ\n⊢ fib n * (2 * fib (n + 1) - fib n) + (fib (n + 1) ^ 2 + fib n ^ 2) = fib (n + 1) * (2 * fib n + fib (n + 1))", "state_before": "n : ℕ\n⊢ fib (2 * n + 2) = fib (n + 1) * (2 * fib n + fib (n + 1))", "tactic": "rw [fib_add_two, fib_two_mul, fib_two_mul_add_one]" }, { "stat...
[ 180, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 173, 1 ]
Mathlib/Order/Filter/Cofinite.lean
Filter.Tendsto.exists_forall_le
[]
[ 178, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 175, 1 ]
Mathlib/Algebra/Category/Mon/FilteredColimits.lean
MonCat.FilteredColimits.colimitMulAux_eq_of_rel_left
[ { "state_after": "case mk\nJ : Type v\ninst✝¹ : SmallCategory J\nF : J ⥤ MonCat\ninst✝ : IsFiltered J\nx' y : (j : J) × ↑(F.obj j)\nj₁ : J\nx : ↑(F.obj j₁)\nhxx' : Types.FilteredColimit.Rel (F ⋙ forget MonCat) { fst := j₁, snd := x } x'\n⊢ colimitMulAux F { fst := j₁, snd := x } y = colimitMulAux F x' y", "...
[ 153, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Angle.lean
Real.Angle.sin_eq_zero_iff
[ { "state_after": "θ : Angle\n⊢ sin θ = sin 0 ↔ θ = 0 ∨ θ = ↑π", "state_before": "θ : Angle\n⊢ sin θ = 0 ↔ θ = 0 ∨ θ = ↑π", "tactic": "nth_rw 1 [← sin_zero]" }, { "state_after": "θ : Angle\n⊢ θ = 0 ∨ θ + 0 = ↑π ↔ θ = 0 ∨ θ = ↑π", "state_before": "θ : Angle\n⊢ sin θ = sin 0 ↔ θ = 0 ∨ θ = ↑π", ...
[ 368, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 365, 1 ]
Mathlib/Algebra/Group/Prod.lean
Prod.snd_inv
[]
[ 144, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 143, 1 ]
Mathlib/Algebra/BigOperators/Fin.lean
Fin.sum_pow_mul_eq_add_pow
[ { "state_after": "no goals", "state_before": "α : Type ?u.35983\nβ : Type ?u.35986\nn : ℕ\nR : Type u_1\ninst✝ : CommSemiring R\na b : R\n⊢ ∑ s : Finset (Fin n), a ^ card s * b ^ (n - card s) = (a + b) ^ n", "tactic": "simpa using Fintype.sum_pow_mul_eq_add_pow (Fin n) a b" } ]
[ 165, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 163, 1 ]
Mathlib/Analysis/NormedSpace/MazurUlam.lean
IsometryEquiv.map_midpoint
[ { "state_after": "E : Type u_3\nPE : Type u_1\nF : Type u_4\nPF : Type u_2\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace ℝ E\ninst✝⁵ : MetricSpace PE\ninst✝⁴ : NormedAddTorsor E PE\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace ℝ F\ninst✝¹ : MetricSpace PF\ninst✝ : NormedAddTorsor F PF\nf : PE ≃ᵢ P...
[ 101, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Measure.lean
BoxIntegral.Box.measurableSet_Ioo
[]
[ 70, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/Analysis/Convex/Side.lean
AffineSubspace.WOppSide.trans_wSameSide
[]
[ 579, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 577, 1 ]
Std/Data/Int/DivMod.lean
Int.mod_add_div
[ { "state_after": "m n : Nat\n⊢ ↑m % ↑(succ n) + -↑(succ n) * -↑(m / succ n) = ↑m", "state_before": "m n : Nat\n⊢ mod (ofNat m) -[n+1] + -[n+1] * div (ofNat m) -[n+1] = ofNat m", "tactic": "show (m % succ n + -↑(succ n) * -↑(m / succ n) : Int) = m" }, { "state_after": "m n : Nat\n⊢ ↑m % ↑(succ n)...
[ 280, 51 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 267, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.measure_eq_measure_of_null_diff
[]
[ 265, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 263, 1 ]
Mathlib/Topology/Algebra/Group/Basic.lean
Homeomorph.shearMulRight_symm_coe
[]
[ 669, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 667, 1 ]
Mathlib/RingTheory/Ideal/AssociatedPrime.lean
IsAssociatedPrime.annihilator_le
[ { "state_after": "case intro.intro\nR : Type u_1\ninst✝⁴ : CommRing R\nJ : Ideal R\nM : Type u_2\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\nM' : Type ?u.70734\ninst✝¹ : AddCommGroup M'\ninst✝ : Module R M'\nf : M →ₗ[R] M'\nx : M\nhI : Ideal.IsPrime (Submodule.annihilator (Submodule.span R {x}))\n⊢ Submodule...
[ 141, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 138, 1 ]
Mathlib/Combinatorics/Quiver/Symmetric.lean
Quiver.Symmetrify.lift_unique
[ { "state_after": "U : Type ?u.8739\nV : Type u_2\nW : Type ?u.8745\ninst✝⁴ : Quiver U\ninst✝³ : Quiver V\ninst✝² : Quiver W\nV' : Type u_1\ninst✝¹ : Quiver V'\ninst✝ : HasReverse V'\nΦ : Symmetrify V ⥤q V'\nhΦinv : ∀ {X Y : Symmetrify V} (f : X ⟶ Y), Φ.map (reverse f) = reverse (Φ.map f)\n⊢ Φ = lift (of ⋙q Φ)",...
[ 224, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 213, 1 ]
Mathlib/RingTheory/Multiplicity.lean
multiplicity.multiplicity_sub_of_gt
[ { "state_after": "α : Type u_1\ninst✝¹ : Ring α\ninst✝ : DecidableRel fun x x_1 => x ∣ x_1\np a b : α\nh : multiplicity p b < multiplicity p a\n⊢ multiplicity p b < multiplicity p a", "state_before": "α : Type u_1\ninst✝¹ : Ring α\ninst✝ : DecidableRel fun x x_1 => x ∣ x_1\np a b : α\nh : multiplicity p b <...
[ 457, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 455, 1 ]
Mathlib/Order/Hom/Basic.lean
OrderIso.coe_dualDual
[]
[ 956, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 955, 1 ]
Mathlib/CategoryTheory/Sites/Plus.lean
CategoryTheory.GrothendieckTopology.toPlus_naturality
[ { "state_after": "case w.h\nC : Type u\ninst✝³ : Category C\nJ : GrothendieckTopology C\nD : Type w\ninst✝² : Category D\ninst✝¹ : ∀ (P : Cᵒᵖ ⥤ D) (X : C) (S : Cover J X), HasMultiequalizer (Cover.index S P)\nP✝ : Cᵒᵖ ⥤ D\ninst✝ : ∀ (X : C), HasColimitsOfShape (Cover J X)ᵒᵖ D\nP Q : Cᵒᵖ ⥤ D\nη : P ⟶ Q\nx✝ : Cᵒᵖ...
[ 234, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 226, 1 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.Hom.apply_mem_neighborSet
[]
[ 1694, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1693, 1 ]
Std/Tactic/Ext.lean
PUnit.ext
[]
[ 205, 64 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 205, 18 ]
Mathlib/Algebra/Order/Monoid/Lemmas.lean
lt_mul_of_le_of_one_lt
[]
[ 672, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 666, 1 ]
Mathlib/Order/SymmDiff.lean
symmDiff_def
[]
[ 83, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 1 ]
Mathlib/RingTheory/WittVector/Basic.lean
WittVector.mapFun.pow
[ { "state_after": "no goals", "state_before": "p : ℕ\nR : Type u_2\nS : Type u_1\nT : Type ?u.460757\nhp : Fact (Nat.Prime p)\ninst✝² : CommRing R\ninst✝¹ : CommRing S\ninst✝ : CommRing T\nα : Type ?u.460772\nβ : Type ?u.460775\nf : R →+* S\nx y : 𝕎 R\nn : ℕ\n⊢ mapFun (↑f) (x ^ n) = mapFun (↑f) x ^ n", ...
[ 133, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 133, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.Nonempty.subset_one_iff
[]
[ 138, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/Topology/PartitionOfUnity.lean
BumpCovering.IsSubordinate.mono
[]
[ 285, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 283, 1 ]
Mathlib/CategoryTheory/Limits/Preserves/Shapes/Products.lean
CategoryTheory.Limits.PreservesProduct.iso_hom
[]
[ 104, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 103, 1 ]
Mathlib/Data/Fin/Basic.lean
Fin.castLT_succAbove
[ { "state_after": "no goals", "state_before": "n m : ℕ\nx : Fin n\ny : Fin (n + 1)\nh : ↑castSucc x < y\nh' : optParam (↑(↑(succAbove y) x) < n) (_ : ↑(↑(succAbove y) x) < n)\n⊢ castLT (↑(succAbove y) x) h' = x", "tactic": "simp only [succAbove_below _ _ h, castLT_castSucc]" } ]
[ 2147, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2145, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.toNNReal_top_mul
[ { "state_after": "no goals", "state_before": "α : Type ?u.818755\nβ : Type ?u.818758\na✝ b c d : ℝ≥0∞\nr p q : ℝ≥0\na : ℝ≥0∞\n⊢ ENNReal.toNNReal (⊤ * a) = 0", "tactic": "simp" } ]
[ 2203, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2203, 1 ]
Mathlib/Analysis/Complex/OperatorNorm.lean
Complex.imClm_norm
[ { "state_after": "no goals", "state_before": "⊢ 1 = ‖↑imClm I‖", "tactic": "simp" }, { "state_after": "no goals", "state_before": "⊢ ‖I‖ ≤ 1", "tactic": "simp" } ]
[ 58, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 54, 1 ]
Mathlib/FieldTheory/RatFunc.lean
RatFunc.liftOn_div
[ { "state_after": "no goals", "state_before": "K : Type u\ninst✝¹ : CommRing K\ninst✝ : IsDomain K\nP : Sort v\np q : K[X]\nf : K[X] → K[X] → P\nf0 : ∀ (p : K[X]), f p 0 = f 0 1\nH' : ∀ {p q p' q' : K[X]}, q ≠ 0 → q' ≠ 0 → q' * p = q * p' → f p q = f p' q'\nH :\n optParam (∀ {p q p' q' : K[X]}, q ∈ K[X]⁰ → ...
[ 1013, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1008, 1 ]
Mathlib/Analysis/Convex/Normed.lean
convexOn_norm
[ { "state_after": "no goals", "state_before": "ι : Type ?u.38\nE : Type u_1\ninst✝¹ : SeminormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\ns t : Set E\nhs : Convex ℝ s\nx : E\nx✝² : x ∈ s\ny : E\nx✝¹ : y ∈ s\na b : ℝ\nha : 0 ≤ a\nhb : 0 ≤ b\nx✝ : a + b = 1\n⊢ ‖a • x‖ + ‖b • y‖ = a * ‖x‖ + b * ‖y‖", "tactic...
[ 47, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 42, 1 ]
Mathlib/Order/Monotone/Monovary.lean
Antitone.monovary
[]
[ 329, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 328, 11 ]
Mathlib/RingTheory/Coprime/Lemmas.lean
exists_sum_eq_one_iff_pairwise_coprime'
[ { "state_after": "case h.e'_2.a\nR : Type u\nI : Type v\ninst✝³ : CommSemiring R\nx y z : R\ns : I → R\nt : Finset I\ninst✝² : Fintype I\ninst✝¹ : Nonempty I\ninst✝ : DecidableEq I\n⊢ Pairwise (IsCoprime on s) ↔ Pairwise (IsCoprime on fun i => s ↑i)", "state_before": "R : Type u\nI : Type v\ninst✝³ : CommSe...
[ 174, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.tendsto_iff_tendstoUniformly
[]
[ 277, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 263, 1 ]
Mathlib/Algebra/Group/Basic.lean
mul_div_assoc'
[]
[ 314, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Biproducts.lean
CategoryTheory.Limits.biprod.braid_natural
[ { "state_after": "no goals", "state_before": "J : Type w\nC : Type u\ninst✝² : Category C\ninst✝¹ : HasZeroMorphisms C\nP Q : C\ninst✝ : HasBinaryBiproducts C\nW X Y Z : C\nf : X ⟶ Y\ng : Z ⟶ W\n⊢ map f g ≫ (braiding Y W).hom = (braiding X Z).hom ≫ map g f", "tactic": "aesop_cat" } ]
[ 1838, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1836, 1 ]
Mathlib/Algebra/CharP/Two.lean
CharTwo.add_sq
[]
[ 90, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 89, 1 ]
Mathlib/Data/Nat/Order/Basic.lean
Nat.eq_zero_of_le_half
[]
[ 424, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 423, 1 ]
Mathlib/Algebra/GroupWithZero/Basic.lean
inv_eq_of_mul
[ { "state_after": "no goals", "state_before": "α : Type ?u.20829\nM₀ : Type ?u.20832\nG₀ : Type u_1\nM₀' : Type ?u.20838\nG₀' : Type ?u.20841\nF : Type ?u.20844\nF' : Type ?u.20847\ninst✝ : GroupWithZero G₀\na b c g h✝ x : G₀\nh : a * b = 1\n⊢ a⁻¹ = b", "tactic": "rw [← inv_mul_cancel_left₀ (left_ne_zero...
[ 295, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 294, 9 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullbackSymmetry_inv_comp_fst
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝² : Category C\nD : Type u₂\ninst✝¹ : Category D\nW X Y Z : C\nf : X ⟶ Z\ng : Y ⟶ Z\ninst✝ : HasPullback f g\n⊢ (pullbackSymmetry f g).inv ≫ pullback.fst = pullback.snd", "tactic": "simp [Iso.inv_comp_eq]" } ]
[ 1534, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1533, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieIdeal.mem_comap
[]
[ 832, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 831, 1 ]
Mathlib/Topology/Order/Basic.lean
Monotone.map_iInf_of_continuousAt
[]
[ 2702, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2700, 1 ]
Mathlib/Analysis/LocallyConvex/WithSeminorms.lean
WithSeminorms.tendsto_nhds_atTop
[ { "state_after": "𝕜 : Type u_1\n𝕜₂ : Type ?u.427366\n𝕝 : Type ?u.427369\n𝕝₂ : Type ?u.427372\nE : Type u_2\nF : Type u_4\nG : Type ?u.427381\nι : Type u_3\nι' : Type ?u.427387\ninst✝⁶ : NormedField 𝕜\ninst✝⁵ : AddCommGroup E\ninst✝⁴ : Module 𝕜 E\ninst✝³ : Nonempty ι\ninst✝² : TopologicalSpace E\np : Semin...
[ 405, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 401, 1 ]
Mathlib/Data/List/MinMax.lean
List.not_lt_of_mem_argmax
[]
[ 132, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.pure_div
[]
[ 495, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 494, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_union_Ici
[ { "state_after": "case inl\nα : Type u_1\nβ : Type ?u.92706\ninst✝ : LinearOrder α\na a₁ a₂ b b₁ b₂ c d : α\nhab : a ≤ b\nh : c ≤ b\n⊢ Icc a b ∪ Ici c = Ici (min a c)\n\ncase inr\nα : Type u_1\nβ : Type ?u.92706\ninst✝ : LinearOrder α\na a₁ a₂ b b₁ b₂ c d : α\nhab : b < a\nh : c ≤ a ∨ c ≤ b\n⊢ Icc a b ∪ Ici c =...
[ 1357, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1351, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.X_pow_comp
[ { "state_after": "case zero\nR : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝ : Semiring R\np q r : R[X]\n⊢ comp (X ^ Nat.zero) p = p ^ Nat.zero\n\ncase succ\nR : Type u\nS : Type v\nT : Type w\nι : Type y\na b : R\nm n : ℕ\ninst✝ : Semiring R\np q r : R[X]\nk : ℕ\nih : comp (X ^ k) p = p...
[ 603, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 600, 1 ]
Mathlib/Algebra/Module/Torsion.lean
Submodule.torsionBySet_isInternal
[ { "state_after": "R : Type u_1\nM : Type u_3\ninst✝³ : CommRing R\ninst✝² : AddCommGroup M\ninst✝¹ : Module R M\nι : Type u_2\ninst✝ : DecidableEq ι\nS : Finset ι\np : ι → Ideal R\nhp : Set.Pairwise ↑S fun i j => p i ⊔ p j = ⊤\nhM : Module.IsTorsionBySet R M ↑(⨅ (i : ι) (_ : i ∈ S), p i)\n⊢ (⨆ (t : ι) (_ : t ∈ ...
[ 496, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 486, 1 ]
Mathlib/Logic/Function/Iterate.lean
Function.Surjective.iterate
[]
[ 98, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Algebra/Lie/Nilpotent.lean
LieSubmodule.lowerCentralSeries_eq_lcs_comap
[ { "state_after": "case zero\nR : Type u\nL : Type v\nM : Type w\ninst✝⁶ : CommRing R\ninst✝⁵ : LieRing L\ninst✝⁴ : LieAlgebra R L\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\ninst✝¹ : LieRingModule L M\ninst✝ : LieModule R L M\nk : ℕ\nN : LieSubmodule R L M\n⊢ lowerCentralSeries R L { x // x ∈ ↑N } Nat.zero =...
[ 116, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 109, 1 ]
Mathlib/Analysis/Calculus/ParametricIntegral.lean
hasDerivAt_integral_of_dominated_loc_of_deriv_le
[ { "state_after": "α : Type u_2\ninst✝⁷ : MeasurableSpace α\nμ : MeasureTheory.Measure α\n𝕜 : Type u_1\ninst✝⁶ : IsROrC 𝕜\nE : Type u_3\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace ℝ E\ninst✝³ : NormedSpace 𝕜 E\ninst✝² : CompleteSpace E\nH : Type ?u.972511\ninst✝¹ : NormedAddCommGroup H\ninst✝ : Norme...
[ 250, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 232, 1 ]
Mathlib/MeasureTheory/Function/SpecialFunctions/Arctan.lean
Measurable.arctan
[]
[ 37, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 36, 1 ]
Mathlib/Order/Filter/Basic.lean
Filter.EventuallyEq.div
[]
[ 1533, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1531, 1 ]
Mathlib/Topology/PathConnected.lean
IsPathConnected.preimage_coe
[ { "state_after": "case intro.intro\nX : Type u_1\nY : Type ?u.648239\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nx✝ y z : X\nι : Type ?u.648254\nF U W : Set X\nhWU : W ⊆ U\nx : X\nx_in : x ∈ W\nhx : ∀ {y : X}, y ∈ W → JoinedIn W x y\n⊢ IsPathConnected (Subtype.val ⁻¹' W)", "state_before": "X :...
[ 1013, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1008, 1 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousIdeal.lean
Ideal.le_toIdeal_homogeneousHull
[ { "state_after": "ι : Type u_2\nσ : Type u_3\nR : Type ?u.208850\nA : Type u_1\ninst✝⁵ : Semiring A\ninst✝⁴ : DecidableEq ι\ninst✝³ : AddMonoid ι\ninst✝² : SetLike σ A\ninst✝¹ : AddSubmonoidClass σ A\n𝒜 : ι → σ\ninst✝ : GradedRing 𝒜\nI : Ideal A\nr : A\nhr : r ∈ I\n⊢ r ∈ toIdeal (homogeneousHull 𝒜 I)", "...
[ 557, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 549, 1 ]
Mathlib/Data/Quot.lean
Trunc.out_eq
[]
[ 580, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 579, 1 ]
Mathlib/Data/Finset/Prod.lean
Finset.product_eq_biUnion_right
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.20058\ns✝ s' : Finset α\nt✝ t' : Finset β\na : α\nb : β\ninst✝ : DecidableEq (α × β)\ns : Finset α\nt : Finset β\nx✝ : α × β\nx : α\ny : β\n⊢ (x, y) ∈ s ×ˢ t ↔ (x, y) ∈ Finset.biUnion t fun b => image (fun a => (a, b)) s",...
[ 131, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/SetTheory/Game/PGame.lean
PGame.moveRight_neg_symm'
[ { "state_after": "no goals", "state_before": "x : PGame\ni : RightMoves x\n⊢ moveRight x i = -moveLeft (-x) (↑toLeftMovesNeg i)", "tactic": "simp" } ]
[ 1301, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1300, 1 ]
Mathlib/Order/Hom/Set.lean
OrderIso.symm_image_image
[]
[ 36, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 35, 1 ]
Mathlib/Algebra/MonoidAlgebra/Basic.lean
MonoidAlgebra.prod_single
[ { "state_after": "no goals", "state_before": "k : Type u₁\nG : Type u₂\nR : Type ?u.1506427\nι : Type ui\ninst✝¹ : CommSemiring k\ninst✝ : CommMonoid G\ns✝ : Finset ι\na✝ : ι → G\nb : ι → k\na : ι\ns : Finset ι\nhas : ¬a ∈ s\nih : ∏ i in s, single (a✝ i) (b i) = single (∏ i in s, a✝ i) (∏ i in s, b i)\n⊢ ∏ ...
[ 1037, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1034, 1 ]
Mathlib/GroupTheory/FreeProduct.lean
FreeProduct.lift_word_prod_nontrivial_of_other_i
[ { "state_after": "ι : Type u_1\nM : ι → Type ?u.747617\ninst✝⁴ : (i : ι) → Monoid (M i)\nN : Type ?u.747628\ninst✝³ : Monoid N\nhnontriv : Nontrivial ι\nG : Type u_3\ninst✝² : Group G\nH : ι → Type u_2\ninst✝¹ : (i : ι) → Group (H i)\nf : (i : ι) → H i →* G\nhcard : 3 ≤ (#ι) ∨ ∃ i, 3 ≤ (#H i)\nα : Type ?u.74840...
[ 745, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 740, 1 ]
Mathlib/Analysis/InnerProductSpace/Symmetric.lean
LinearMap.isSymmetric_id
[]
[ 92, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Analysis/LocallyConvex/BalancedCoreHull.lean
balancedCore_zero_mem
[]
[ 131, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 130, 1 ]
Mathlib/Topology/ContinuousFunction/Basic.lean
ContinuousMap.coe_restrict
[]
[ 367, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 366, 1 ]
Mathlib/GroupTheory/QuotientGroup.lean
QuotientGroup.congr_apply
[]
[ 323, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 321, 1 ]
Mathlib/Data/Prod/Basic.lean
Prod.Lex.refl_right
[]
[ 253, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 252, 1 ]
Mathlib/RingTheory/Ideal/Basic.lean
Ideal.span_singleton_mul_left_unit
[ { "state_after": "case a\nα : Type u\nβ : Type v\ninst✝ : Semiring α\nI : Ideal α\na✝ b a : α\nh2 : IsUnit a\nx : α\n⊢ ∃ a_1, a_1 * x = a * x\n\ncase a\nα : Type u\nβ : Type v\ninst✝ : Semiring α\nI : Ideal α\na✝ b a : α\nh2 : IsUnit a\nx : α\n⊢ ∃ a_1, a_1 * (a * x) = x", "state_before": "α : Type u\nβ : Ty...
[ 182, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/Topology/Algebra/Group/Basic.lean
Subgroup.le_topologicalClosure
[]
[ 721, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 720, 1 ]
Mathlib/ModelTheory/Basic.lean
FirstOrder.Language.funMap_eq_coe_constants
[]
[ 377, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 376, 1 ]
Mathlib/Algebra/Order/Hom/Ring.lean
OrderRingIso.mk_coe
[]
[ 405, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 404, 1 ]
Mathlib/Order/SupIndep.lean
Finset.supIndep_singleton
[ { "state_after": "α : Type u_1\nβ : Type ?u.4779\nι : Type u_2\nι' : Type ?u.4785\ninst✝¹ : Lattice α\ninst✝ : OrderBot α\ns✝ t : Finset ι\nf✝ : ι → α\ni✝ i : ι\nf : ι → α\ns : Finset ι\nhs : s ⊆ {i}\nj : ι\nhji : j ∈ {i}\nhj : ¬j ∈ s\n⊢ Disjoint (f j) ⊥", "state_before": "α : Type u_1\nβ : Type ?u.4779\nι ...
[ 84, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 1 ]
Mathlib/Algebra/GroupWithZero/Units/Basic.lean
Units.ne_zero
[]
[ 34, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 33, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.coe_add
[]
[ 686, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 686, 1 ]
Mathlib/Topology/FiberBundle/Basic.lean
FiberBundleCore.continuous_const_section
[ { "state_after": "ι : Type u_2\nB : Type u_1\nF : Type u_3\nX : Type ?u.41511\ninst✝² : TopologicalSpace X\ninst✝¹ : TopologicalSpace B\ninst✝ : TopologicalSpace F\nZ : FiberBundleCore ι B F\ni : ι\nb : B\na v : F\nh : ∀ (i j : ι) (x : B), x ∈ baseSet Z i ∩ baseSet Z j → coordChange Z i j x v = v\nx : B\n⊢ Cont...
[ 653, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 641, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearEquiv.symm_comp_self
[ { "state_after": "case h\nR₁ : Type u_1\nR₂ : Type u_2\nR₃ : Type ?u.1586825\ninst✝²⁴ : Semiring R₁\ninst✝²³ : Semiring R₂\ninst✝²² : Semiring R₃\nσ₁₂ : R₁ →+* R₂\nσ₂₁ : R₂ →+* R₁\ninst✝²¹ : RingHomInvPair σ₁₂ σ₂₁\ninst✝²⁰ : RingHomInvPair σ₂₁ σ₁₂\nσ₂₃ : R₂ →+* R₃\nσ₃₂ : R₃ →+* R₂\ninst✝¹⁹ : RingHomInvPair σ₂₃ ...
[ 2084, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2082, 1 ]
Mathlib/RingTheory/Noetherian.lean
isNoetherian_iff_wellFounded
[ { "state_after": "R : Type u_1\nM : Type u_2\nP : Type ?u.112850\nN : Type w\ninst✝⁶ : Semiring R\ninst✝⁵ : AddCommMonoid M\ninst✝⁴ : Module R M\ninst✝³ : AddCommMonoid N\ninst✝² : Module R N\ninst✝¹ : AddCommMonoid P\ninst✝ : Module R P\nthis : (WellFounded fun x x_1 => x > x_1) ↔ ∀ (k : Submodule R M), Comple...
[ 308, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 301, 1 ]
Mathlib/MeasureTheory/Integral/FundThmCalculus.lean
intervalIntegral.integral_hasDerivWithinAt_of_tendsto_ae_right
[]
[ 906, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 901, 1 ]
Mathlib/Data/Real/NNReal.lean
NNReal.finset_sup_mul
[]
[ 572, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 570, 1 ]
Mathlib/LinearAlgebra/Basic.lean
Submodule.map_le_map_iff_of_injective
[]
[ 983, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 982, 1 ]
Mathlib/SetTheory/Ordinal/Arithmetic.lean
Ordinal.blsub_eq_lsub'
[]
[ 1782, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1780, 1 ]
Mathlib/Data/List/Sublists.lean
List.mem_sublistsLen
[]
[ 336, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 332, 1 ]
Mathlib/RingTheory/Multiplicity.lean
multiplicity.multiplicity_le_multiplicity_of_dvd_left
[]
[ 334, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 332, 1 ]
Mathlib/Computability/Primrec.lean
Nat.Primrec.swap'
[ { "state_after": "no goals", "state_before": "f : ℕ → ℕ → ℕ\nhf : Nat.Primrec (unpaired f)\nn : ℕ\n⊢ unpaired f (unpaired (swap Nat.pair) n) = unpaired (swap f) n", "tactic": "simp" } ]
[ 126, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.inf_subgroupOf_left
[ { "state_after": "no goals", "state_before": "G : Type u_1\nG' : Type ?u.292171\ninst✝⁴ : Group G\ninst✝³ : Group G'\nA : Type ?u.292180\ninst✝² : AddGroup A\nH✝ K✝ : Subgroup G\nk : Set G\nN : Type ?u.292201\ninst✝¹ : Group N\nP : Type ?u.292207\ninst✝ : Group P\nH K : Subgroup G\n⊢ subgroupOf (K ⊓ H) K = ...
[ 1682, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1681, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/InverseDeriv.lean
Real.hasDerivWithinAt_arcsin_Iic
[ { "state_after": "case inl\nh : -1 ≠ 1\n⊢ HasDerivWithinAt arcsin (1 / sqrt (1 - (-1) ^ 2)) (Iic (-1)) (-1)\n\ncase inr\nx : ℝ\nh : x ≠ 1\nh' : ¬x = -1\n⊢ HasDerivWithinAt arcsin (1 / sqrt (1 - x ^ 2)) (Iic x) x", "state_before": "x : ℝ\nh : x ≠ 1\n⊢ HasDerivWithinAt arcsin (1 / sqrt (1 - x ^ 2)) (Iic x) x"...
[ 82, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/Data/Matrix/Kronecker.lean
Matrix.kroneckerMap_reindex_right
[]
[ 177, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 173, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.codisjoint_prod
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.177622\nι : Sort ?u.177625\nκ : ι → Sort ?u.177630\ninst✝¹ : Preorder α\ninst✝ : Preorder β\ns s₁ s₂ : UpperSet α\nt t₁ t₂ : UpperSet β\nx : α × β\n⊢ Codisjoint (s₁ ×ˢ t₁) (s₂ ×ˢ t₂) ↔ Codisjoint s₁ s₂ ∨ Codisjoint t₁ t₂",...
[ 1637, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1635, 1 ]
Mathlib/Algebra/Order/ToIntervalMod.lean
left_lt_toIocMod
[]
[ 103, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]