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start
list
Mathlib/Order/Filter/Basic.lean
Set.PairwiseDisjoint.exists_mem_filter
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.89945\nι✝ : Sort x\nf g : Filter α\ns t✝ : Set α\nι : Type u_1\nl : ι → Filter α\nt : Set ι\nhd : PairwiseDisjoint t l\nht : Set.Finite t\nthis : Finite ↑t\n⊢ ∃ s, (∀ (i : ι), s i ∈ l i) ∧ PairwiseDisjoint t s", "state_before": "α : Type u\nβ...
[ 749, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 741, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
Valuation.map_one_sub_of_lt
[ { "state_after": "K : Type ?u.2424657\nF : Type ?u.2424660\nR : Type u_2\ninst✝³ : DivisionRing K\nΓ₀ : Type u_1\nΓ'₀ : Type ?u.2424672\nΓ''₀ : Type ?u.2424675\ninst✝² : LinearOrderedCommMonoidWithZero Γ''₀\ninst✝¹ : Ring R\ninst✝ : LinearOrderedCommGroupWithZero Γ₀\nv : Valuation R Γ₀\nx y z : R\nh : ↑v (-x) <...
[ 348, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Mathlib/RingTheory/PowerSeries/Basic.lean
PowerSeries.order_eq_multiplicity_X
[ { "state_after": "case inl\nR✝ : Type ?u.4264976\ninst✝¹ : Semiring R✝\nφ : PowerSeries R✝\nR : Type u_1\ninst✝ : Semiring R\n⊢ order 0 = multiplicity X 0\n\ncase inr\nR✝ : Type ?u.4264976\ninst✝¹ : Semiring R✝\nφ✝ : PowerSeries R✝\nR : Type u_1\ninst✝ : Semiring R\nφ : PowerSeries R\nhφ : φ ≠ 0\n⊢ order φ = mu...
[ 2473, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2454, 1 ]
Mathlib/Topology/Sets/Order.lean
ClopenUpperSet.coe_top
[]
[ 101, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 100, 1 ]
Mathlib/Data/Matrix/Basic.lean
Matrix.submatrix_vecMul_equiv
[]
[ 2515, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2512, 1 ]
Mathlib/Algebra/BigOperators/Multiset/Basic.lean
Multiset.prod_eq_foldl
[ { "state_after": "no goals", "state_before": "ι : Type ?u.3031\nα : Type ?u.3034\nβ : Type ?u.3037\nγ : Type ?u.3040\ninst✝ : CommMonoid α\ns✝ t : Multiset α\na : α\nm : Multiset ι\nf g : ι → α\ns : Multiset α\nx y z : α\n⊢ (fun x x_1 => x * x_1) ((fun x x_1 => x * x_1) x y) z = (fun x x_1 => x * x_1) ((fun...
[ 62, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/SetTheory/Cardinal/Finite.lean
Nat.card_ulift
[]
[ 108, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/SetTheory/ZFC/Basic.lean
ZFSet.pair_inj
[]
[ 1335, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1334, 1 ]
Mathlib/MeasureTheory/Measure/OpenPos.lean
MeasureTheory.Measure.eqOn_Ioo_of_ae_eq
[]
[ 153, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 151, 1 ]
Mathlib/Data/Num/Lemmas.lean
Num.size_eq_natSize
[]
[ 759, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 757, 1 ]
Mathlib/Algebra/Order/Floor.lean
Int.self_sub_floor
[]
[ 807, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 806, 1 ]
Mathlib/RepresentationTheory/Basic.lean
Representation.smul_tprod_one_asModule
[ { "state_after": "k : Type u_1\nG : Type u_2\nV : Type u_3\nW : Type u_4\ninst✝⁵ : CommSemiring k\ninst✝⁴ : Monoid G\ninst✝³ : AddCommMonoid V\ninst✝² : Module k V\ninst✝¹ : AddCommMonoid W\ninst✝ : Module k W\nρV : Representation k G V\nρW : Representation k G W\nr : MonoidAlgebra k G\nx : V\ny : W\n⊢ ↑(↑(asAl...
[ 384, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 375, 1 ]
Mathlib/Topology/Separation.lean
isOpen_iff_ultrafilter'
[ { "state_after": "α : Type u\nβ : Type v\ninst✝² : TopologicalSpace α\ninst✝¹ : T2Space α\nf : Filter α\ninst✝ : CompactSpace α\nU : Set α\n⊢ (∀ (x : α), x ∈ U → ∀ (l : Ultrafilter α), ↑l ≤ 𝓝 x → U ∈ l) ↔ ∀ (F : Ultrafilter α), Ultrafilter.lim F ∈ U → U ∈ ↑F", "state_before": "α : Type u\nβ : Type v\ninst✝...
[ 1052, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1046, 1 ]
Mathlib/Geometry/Euclidean/Basic.lean
EuclideanGeometry.dist_reflection
[ { "state_after": "V : Type u_1\nP : Type u_2\ninst✝⁵ : NormedAddCommGroup V\ninst✝⁴ : InnerProductSpace ℝ V\ninst✝³ : MetricSpace P\ninst✝² : NormedAddTorsor V P\ns : AffineSubspace ℝ P\ninst✝¹ : Nonempty { x // x ∈ s }\ninst✝ : CompleteSpace { x // x ∈ direction s }\np₁ p₂ : P\n⊢ dist (↑(reflection s) (↑(refle...
[ 621, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 618, 1 ]
Mathlib/LinearAlgebra/QuadraticForm/Prod.lean
QuadraticForm.Equivalent.pi
[]
[ 149, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 146, 1 ]
Mathlib/Order/LiminfLimsup.lean
Filter.IsBounded.isBoundedUnder
[]
[ 123, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/Order/Category/FinPartOrd.lean
FinPartOrd.coe_of
[]
[ 59, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
normUnit_one
[]
[ 97, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Topology/DiscreteQuotient.lean
DiscreteQuotient.proj_surjective
[]
[ 121, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
MeasureTheory.Measure.sum_congr
[]
[ 2123, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2122, 1 ]
Mathlib/Algebra/Order/Monoid/Lemmas.lean
MulLECancellable.injective_left
[ { "state_after": "α : Type u_1\nβ : Type ?u.84683\ninst✝¹ : CommSemigroup α\ninst✝ : PartialOrder α\na : α\nha : MulLECancellable a\nb c : α\nh : (fun x => x * a) b = (fun x => x * a) c\n⊢ a * b = a * c", "state_before": "α : Type u_1\nβ : Type ?u.84683\ninst✝¹ : CommSemigroup α\ninst✝ : PartialOrder α\na :...
[ 1618, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1616, 11 ]
Mathlib/Data/Vector/Mem.lean
Vector.mem_succ_iff
[ { "state_after": "case intro.intro\nα : Type u_1\nβ : Type ?u.1743\nn : ℕ\na a'✝ : α\nv : Vector α (n + 1)\na' : α\nv' : Vector α n\nh : v = a' ::ᵥ v'\n⊢ a ∈ toList v ↔ a = head v ∨ a ∈ toList (tail v)", "state_before": "α : Type u_1\nβ : Type ?u.1743\nn : ℕ\na a' : α\nv : Vector α (n + 1)\n⊢ a ∈ toList v ↔...
[ 57, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Dynamics/FixedPoints/Basic.lean
Function.Commute.left_bijOn_fixedPoints_comp
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nf fa g : α → α\nx y : α\nfb : β → β\nm n k : ℕ\ne : Perm α\nh : Commute f g\n⊢ Set.BijOn f (fixedPoints (f ∘ g)) (fixedPoints (f ∘ g))", "tactic": "simpa only [h.comp_eq] using bijOn_fixedPoints_comp g f" } ]
[ 193, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 191, 1 ]
Mathlib/LinearAlgebra/Pi.lean
Submodule.coe_pi
[]
[ 283, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 282, 1 ]
Mathlib/Analysis/SpecialFunctions/Stirling.lean
Stirling.stirlingSeq_zero
[ { "state_after": "no goals", "state_before": "⊢ stirlingSeq 0 = 0", "tactic": "rw [stirlingSeq, cast_zero, MulZeroClass.mul_zero, Real.sqrt_zero, MulZeroClass.zero_mul,\n div_zero]" } ]
[ 62, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 1 ]
Mathlib/Topology/Algebra/OpenSubgroup.lean
OpenSubgroup.toSubgroup_le
[]
[ 261, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 260, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.addHom_ext
[ { "state_after": "case h\nα : Type u_2\nβ : Type u_1\nγ : Type ?u.423906\ninst✝ : AddZeroClass β\nf g : Multiset α →+ β\nh : ∀ (x : α), ↑f {x} = ↑g {x}\ns : Multiset α\n⊢ ↑f s = ↑g s", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.423906\ninst✝ : AddZeroClass β\nf g : Multiset α →+ β\nh : ∀ (x : ...
[ 2604, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2600, 1 ]
Mathlib/Analysis/Calculus/ContDiff.lean
ContinuousLinearEquiv.contDiff_comp_iff
[ { "state_after": "𝕜 : Type u_1\ninst✝¹⁰ : NontriviallyNormedField 𝕜\nD : Type uD\ninst✝⁹ : NormedAddCommGroup D\ninst✝⁸ : NormedSpace 𝕜 D\nE : Type uE\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type uG\ninst✝³ : Normed...
[ 501, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 498, 1 ]
Mathlib/Data/List/Zip.lean
List.unzip_cons
[]
[ 209, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 208, 1 ]
Mathlib/Order/SuccPred/Basic.lean
Order.succ_eq_iff_covby
[ { "state_after": "α : Type u_1\ninst✝² : PartialOrder α\ninst✝¹ : SuccOrder α\na : α\ninst✝ : NoMaxOrder α\n⊢ a ⋖ succ a", "state_before": "α : Type u_1\ninst✝² : PartialOrder α\ninst✝¹ : SuccOrder α\na b : α\ninst✝ : NoMaxOrder α\n⊢ succ a = b → a ⋖ b", "tactic": "rintro rfl" }, { "state_after"...
[ 500, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 497, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Arctan.lean
Real.arccos_eq_arctan
[ { "state_after": "x : ℝ\nh : 0 < x\n⊢ arctan (sqrt (↑1 - x ^ 2) / x) = π / 2 - arcsin x", "state_before": "x : ℝ\nh : 0 < x\n⊢ arccos x = arctan (sqrt (↑1 - x ^ 2) / x)", "tactic": "rw [arccos, eq_comm]" }, { "state_after": "case refine'_1\nx : ℝ\nh : 0 < x\n⊢ tan (π / 2 - arcsin x) = sqrt (↑1 -...
[ 205, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/Algebra/GroupWithZero/Defs.lean
zero_eq_mul_self
[ { "state_after": "no goals", "state_before": "G₀ : Type u\nM₀ : Type u_1\nM₀' : Type ?u.12644\nG₀' : Type ?u.12647\ninst✝¹ : MulZeroClass M₀\ninst✝ : NoZeroDivisors M₀\na b : M₀\n⊢ 0 = a * a ↔ a = 0", "tactic": "simp" } ]
[ 279, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 279, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
Finset.weightedVSub_empty
[ { "state_after": "no goals", "state_before": "k : Type u_3\nV : Type u_1\nP : Type u_4\ninst✝² : Ring k\ninst✝¹ : AddCommGroup V\ninst✝ : Module k V\nS : AffineSpace V P\nι : Type u_2\ns : Finset ι\nι₂ : Type ?u.158854\ns₂ : Finset ι₂\nw : ι → k\np : ι → P\n⊢ ↑(weightedVSub ∅ p) w = 0", "tactic": "simp ...
[ 288, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 287, 1 ]
Mathlib/MeasureTheory/MeasurableSpace.lean
MeasurableEmbedding.measurable_rangeSplitting
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.381096\nδ : Type ?u.381099\nδ' : Type ?u.381102\nι : Sort uι\ns✝ t u : Set α\nmα : MeasurableSpace α\ninst✝¹ : MeasurableSpace β\ninst✝ : MeasurableSpace γ\nf : α → β\ng : β → γ\nhf : MeasurableEmbedding f\ns : Set α\nhs :...
[ 1117, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1113, 1 ]
Mathlib/Computability/TMToPartrec.lean
Turing.PartrecToTM2.trNormal_respects
[ { "state_after": "case zero'\nk : Cont\nv : List ℕ\ns : Option Γ'\n⊢ ∃ b₂,\n TrCfg (stepNormal Code.zero' k v) b₂ ∧\n Reaches₁ (TM2.step tr)\n { l := some (trNormal Code.zero' (trCont k)), var := s, stk := elim (trList v) [] [] (trContStack k) } b₂\n\ncase succ\nk : Cont\nv : List ℕ\ns : Option Γ...
[ 1634, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1603, 1 ]
Mathlib/Init/Logic.lean
false_iff_iff
[]
[ 201, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 201, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.zpow_lt_top
[ { "state_after": "case ofNat\nα : Type ?u.434875\nβ : Type ?u.434878\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nha : a ≠ 0\nh'a : a ≠ ⊤\na✝ : ℕ\n⊢ a ^ Int.ofNat a✝ < ⊤\n\ncase negSucc\nα : Type ?u.434875\nβ : Type ?u.434878\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nha : a ≠ 0\nh'a : a ≠ ⊤\na✝ : ℕ\n⊢ a ^ Int.negSucc a✝ < ⊤", "state_...
[ 1871, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1868, 1 ]
Mathlib/Data/Set/Countable.lean
Set.countable_of_injective_of_countable_image
[]
[ 182, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 180, 1 ]
Mathlib/Data/Nat/Digits.lean
Nat.pow_length_le_mul_ofDigits
[ { "state_after": "n b : ℕ\nl : List ℕ\nhl : l ≠ []\nhl2 : List.getLast l hl ≠ 0\n⊢ (b + 2) ^ List.length (List.dropLast l ++ [List.getLast l hl]) ≤\n (b + 2) * ofDigits (b + 2) (List.dropLast l ++ [List.getLast l hl])", "state_before": "n b : ℕ\nl : List ℕ\nhl : l ≠ []\nhl2 : List.getLast l hl ≠ 0\n⊢ (b ...
[ 454, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 445, 1 ]
Mathlib/Algebra/Symmetrized.lean
SymAlg.unsym_sub
[]
[ 190, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/LinearAlgebra/AffineSpace/AffineEquiv.lean
AffineEquiv.trans_refl
[]
[ 361, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 360, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.mk_range_le_lift
[]
[ 2013, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2011, 1 ]
Mathlib/LinearAlgebra/Matrix/BilinearForm.lean
Matrix.toBilin'_apply
[]
[ 172, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.congr_arg
[]
[ 124, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 11 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
MeasureTheory.StronglyMeasurable.dist
[]
[ 819, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 816, 11 ]
Mathlib/SetTheory/Ordinal/Basic.lean
Ordinal.card_type
[]
[ 610, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 609, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullbackAssoc_hom_snd_snd
[ { "state_after": "C : Type u\ninst✝⁷ : Category C\nD : Type u₂\ninst✝⁶ : Category D\nW X Y Z X₁ X₂ X₃ Y₁ Y₂ : C\nf₁ : X₁ ⟶ Y₁\nf₂ : X₂ ⟶ Y₁\nf₃ : X₂ ⟶ Y₂\nf₄ : X₃ ⟶ Y₂\ninst✝⁵ : HasPullback f₁ f₂\ninst✝⁴ : HasPullback f₃ f₄\ninst✝³ : HasPullback (pullback.snd ≫ sorryAx (sorryAx C true ⟶ Y₂) true) f₄\ninst✝² : H...
[ 2434, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2427, 1 ]
Mathlib/CategoryTheory/Preadditive/Injective.lean
CategoryTheory.Injective.enoughInjectives_of_enoughProjectives_op
[]
[ 278, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 277, 1 ]
Mathlib/Data/Polynomial/Basic.lean
IsSMulRegular.polynomial
[]
[ 252, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 250, 1 ]
Mathlib/Analysis/Convex/Basic.lean
DirectedOn.convex_sUnion
[ { "state_after": "𝕜 : Type u_2\nE : Type u_1\nF : Type ?u.8386\nβ : Type ?u.8389\ninst✝⁴ : OrderedSemiring 𝕜\ninst✝³ : AddCommMonoid E\ninst✝² : AddCommMonoid F\ninst✝¹ : SMul 𝕜 E\ninst✝ : SMul 𝕜 F\ns : Set E\nx : E\nc : Set (Set E)\nhdir : DirectedOn (fun x x_1 => x ⊆ x_1) c\nhc : ∀ ⦃A : Set E⦄, A ∈ c → Co...
[ 137, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
MeasureTheory.AEStronglyMeasurable.nullMeasurableSet_lt
[ { "state_after": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.342741\nι : Type ?u.342744\ninst✝⁵ : Countable ι\nm : MeasurableSpace α\nμ : Measure α\ninst✝⁴ : TopologicalSpace β\ninst✝³ : TopologicalSpace γ\nf✝ g✝ : α → β\ninst✝² : LinearOrder β\ninst✝¹ : OrderClosedTopology β\ninst✝ : PseudoMetrizableSpace β\nf g ...
[ 1527, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1520, 1 ]
Mathlib/Algebra/Module/Basic.lean
smul_ne_zero
[]
[ 608, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 606, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
hasSum_mul_right_iff
[ { "state_after": "no goals", "state_before": "ι : Type u_2\nκ : Type ?u.10143\nR : Type ?u.10146\nα : Type u_1\ninst✝² : DivisionSemiring α\ninst✝¹ : TopologicalSpace α\ninst✝ : TopologicalSemiring α\nf g : ι → α\na a₁ a₂ : α\nh : a₂ ≠ 0\nH : HasSum (fun i => f i * a₂) (a₁ * a₂)\n⊢ HasSum f a₁", "tactic...
[ 97, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 96, 1 ]
Mathlib/Data/List/Permutation.lean
List.length_foldr_permutationsAux2
[]
[ 201, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 198, 1 ]
Mathlib/Algebra/Order/Floor.lean
Int.fract_int_nat
[ { "state_after": "no goals", "state_before": "F : Type ?u.150154\nα : Type u_1\nβ : Type ?u.150160\ninst✝¹ : LinearOrderedRing α\ninst✝ : FloorRing α\nz : ℤ\na✝ : α\nn : ℕ\na : α\n⊢ fract (↑n + a) = fract a", "tactic": "rw [add_comm, fract_add_nat]" } ]
[ 849, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 849, 1 ]
Mathlib/Data/Nat/Prime.lean
Nat.Prime.mod_two_eq_one_iff_ne_two
[ { "state_after": "p : ℕ\ninst✝ : Fact (Prime p)\nh : p % 2 = 1\nhf : p = 2\n⊢ False", "state_before": "p : ℕ\ninst✝ : Fact (Prime p)\n⊢ p % 2 = 1 ↔ p ≠ 2", "tactic": "refine' ⟨fun h hf => _, (Nat.Prime.eq_two_or_odd <| @Fact.out p.Prime _).resolve_left⟩" }, { "state_after": "p : ℕ\ninst✝ : Fact ...
[ 520, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 517, 1 ]
Mathlib/Algebra/Order/Field/Basic.lean
div_self_le_one
[ { "state_after": "no goals", "state_before": "ι : Type ?u.34425\nα : Type u_1\nβ : Type ?u.34431\ninst✝ : LinearOrderedSemifield α\na✝ b c d e : α\nm n : ℤ\na : α\nh : a = 0\n⊢ a / a ≤ 1", "tactic": "simp [h]" }, { "state_after": "no goals", "state_before": "ι : Type ?u.34425\nα : Type u_1\n...
[ 193, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 192, 1 ]
Mathlib/Order/SymmDiff.lean
bihimp_right_surjective
[]
[ 677, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 676, 1 ]
Mathlib/Topology/UniformSpace/Basic.lean
toTopologicalSpace_sInf
[ { "state_after": "α : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort ?u.143853\ns : Set (UniformSpace α)\n⊢ UniformSpace.toTopologicalSpace = ⨅ (i : UniformSpace α) (_ : i ∈ s), UniformSpace.toTopologicalSpace", "state_before": "α : Type ua\nβ : Type ub\nγ : Type uc\nδ : Type ud\nι : Sort ?u.14385...
[ 1361, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1358, 1 ]
Mathlib/Order/Filter/Germ.lean
Filter.Germ.coe_coeMulHom
[]
[ 432, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 431, 1 ]
Mathlib/CategoryTheory/Limits/IsLimit.lean
CategoryTheory.Limits.IsLimit.lift_comp_conePointsIsoOfNatIso_hom
[ { "state_after": "no goals", "state_before": "J : Type u₁\ninst✝² : Category J\nK : Type u₂\ninst✝¹ : Category K\nC : Type u₃\ninst✝ : Category C\nF✝ : J ⥤ C\nt✝ : Cone F✝\nF G : J ⥤ C\nr s : Cone F\nt : Cone G\nP : IsLimit s\nQ : IsLimit t\nw : F ≅ G\n⊢ ∀ (j : J), (lift P r ≫ (conePointsIsoOfNatIso P Q w)....
[ 330, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 327, 1 ]
Mathlib/Order/WellFoundedSet.lean
Finset.partiallyWellOrderedOn_sup
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : Type u_2\nβ : Type ?u.118573\nr : α → α → Prop\ns : Finset ι\nf : ι → Set α\n⊢ Set.PartiallyWellOrderedOn (sup ∅ f) r ↔ ∀ (i : ι), i ∈ ∅ → Set.PartiallyWellOrderedOn (f i) r", "tactic": "simp" }, { "state_after": "no goals", "st...
[ 572, 90 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 570, 1 ]
Mathlib/Analysis/Analytic/Basic.lean
FormalMultilinearSeries.le_mul_pow_of_radius_pos
[ { "state_after": "case intro.intro\n𝕜 : Type u_1\nE : Type u_2\nF : Type u_3\nG : Type ?u.253075\ninst✝⁶ : NontriviallyNormedField 𝕜\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace 𝕜 E\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace 𝕜 F\ninst✝¹ : NormedAddCommGroup G\ninst✝ : NormedSpace 𝕜 G\np✝ ...
[ 338, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 330, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
BilinForm.sub_left
[ { "state_after": "no goals", "state_before": "R : Type ?u.56682\nM : Type ?u.56685\ninst✝¹⁴ : Semiring R\ninst✝¹³ : AddCommMonoid M\ninst✝¹² : Module R M\nR₁ : Type u_1\nM₁ : Type u_2\ninst✝¹¹ : Ring R₁\ninst✝¹⁰ : AddCommGroup M₁\ninst✝⁹ : Module R₁ M₁\nR₂ : Type ?u.57333\nM₂ : Type ?u.57336\ninst✝⁸ : CommS...
[ 136, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 135, 1 ]
Mathlib/LinearAlgebra/Multilinear/Basic.lean
MultilinearMap.compLinearMap_assoc
[]
[ 411, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 408, 1 ]
Mathlib/GroupTheory/Transfer.lean
MonoidHom.ker_transferSylow_disjoint
[]
[ 279, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 274, 1 ]
src/lean/Init/SimpLemmas.lean
Bool.and_assoc
[ { "state_after": "no goals", "state_before": "a b c : Bool\n⊢ (a && b && c) = (a && (b && c))", "tactic": "cases a <;> cases b <;> cases c <;> decide" } ]
[ 119, 45 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 118, 1 ]
Mathlib/Data/Finite/Defs.lean
finite_or_infinite
[]
[ 124, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Topology/Algebra/Group/Basic.lean
continuousInv_sInf
[]
[ 386, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 381, 1 ]
Mathlib/Data/PNat/Basic.lean
Nat.succPNat_strictMono
[]
[ 80, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.filter_zero
[ { "state_after": "case h\nι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ninst✝¹ : (i : ι) → Zero (β i)\np : ι → Prop\ninst✝ : DecidablePred p\ni✝ : ι\n⊢ ↑(filter p 0) i✝ = ↑0 i✝", "state_before": "ι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ninst✝¹...
[ 429, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 426, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
dist_triangle4_right
[ { "state_after": "α : Type u\nβ : Type v\nX : Type ?u.10931\nι : Type ?u.10934\ninst✝ : PseudoMetricSpace α\nx₁ y₁ x₂ y₂ : α\n⊢ dist x₁ y₁ ≤ dist x₁ x₂ + dist x₂ y₂ + dist y₂ y₁", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.10931\nι : Type ?u.10934\ninst✝ : PseudoMetricSpace α\nx₁ y₁ x₂ y₂ : α\n⊢ d...
[ 226, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 223, 1 ]
Mathlib/LinearAlgebra/AffineSpace/FiniteDimensional.lean
AffineBasis.finite_set
[]
[ 779, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 777, 11 ]
src/lean/Init/SimpLemmas.lean
Bool.not_true
[ { "state_after": "no goals", "state_before": "⊢ (!true) = false", "tactic": "decide" } ]
[ 124, 62 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 124, 9 ]
Mathlib/Tactic/Ring/Basic.lean
Mathlib.Tactic.Ring.inv_congr
[ { "state_after": "u : Lean.Level\nR✝ : Type ?u.398680\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝¹ : CommSemiring R✝\nR : Type u_1\ninst✝ : DivisionRing R\na' : R\n⊢ a'⁻¹ = a'⁻¹", "state_before": "u : Lean.Level\nR✝ : Type ?u.398680\nα : Q(Type u)\nsα : Q(CommSemiring «$α»)\ninst✝¹ : CommSemiring R✝\nR...
[ 980, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 979, 1 ]
Mathlib/Algebra/Order/Interval.lean
NonemptyInterval.length_sub
[ { "state_after": "no goals", "state_before": "ι : Type ?u.375170\nα : Type u_1\ninst✝ : OrderedAddCommGroup α\ns t : NonemptyInterval α\na : α\n⊢ length (s - t) = length s + length t", "tactic": "simp [sub_eq_add_neg]" } ]
[ 666, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 666, 1 ]
Mathlib/Algebra/IndicatorFunction.lean
Set.indicator_eq_one_iff_mem
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.146422\nι : Type ?u.146425\nM : Type u_2\nN : Type ?u.146431\ninst✝¹ : MulZeroOneClass M\ninst✝ : Nontrivial M\nU : Set α\nx : α\n⊢ indicator U 1 x = 1 ↔ x ∈ U", "tactic": "classical simp [indicator_apply, imp_false]" }, { "...
[ 738, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 737, 1 ]
Mathlib/RingTheory/FiniteType.lean
AlgHom.FiniteType.id
[]
[ 297, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 296, 1 ]
Mathlib/Analysis/Complex/CauchyIntegral.lean
Complex.integral_boundary_rect_eq_zero_of_differentiableOn
[]
[ 293, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 286, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
Finset.sum_centroidWeights_eq_one_of_card_ne_zero
[ { "state_after": "k : Type u_1\nV : Type ?u.468798\nP : Type ?u.468801\ninst✝⁴ : DivisionRing k\ninst✝³ : AddCommGroup V\ninst✝² : Module k V\ninst✝¹ : AffineSpace V P\nι : Type u_2\ns : Finset ι\nι₂ : Type ?u.469320\ns₂ : Finset ι₂\ninst✝ : CharZero k\nh : card s ≠ 0\n⊢ ↑(card s) * (↑(card s))⁻¹ = 1", "sta...
[ 820, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 815, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
mul_self_inj
[]
[ 1001, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1000, 1 ]
Mathlib/Order/Filter/Prod.lean
Filter.prod_sup
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.5866\nδ : Type ?u.5869\nι : Sort ?u.5872\ns : Set α\nt : Set β\nf✝ : Filter α\ng : Filter β\nf : Filter α\ng₁ g₂ : Filter β\n⊢ Filter.prod f (g₁ ⊔ g₂) = Filter.prod f g₁ ⊔ Filter.prod f g₂", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.58...
[ 129, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 127, 1 ]
Mathlib/AlgebraicTopology/SimplicialObject.lean
CategoryTheory.SimplicialObject.δ_comp_δ_self
[ { "state_after": "C : Type u\ninst✝ : Category C\nX : SimplicialObject C\nn : ℕ\ni : Fin (n + 2)\n⊢ X.map (SimplexCategory.δ (↑Fin.castSucc i)).op ≫ X.map (SimplexCategory.δ i).op =\n X.map (SimplexCategory.δ (Fin.succ i)).op ≫ X.map (SimplexCategory.δ i).op", "state_before": "C : Type u\ninst✝ : Categor...
[ 137, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 134, 1 ]
Mathlib/LinearAlgebra/Dual.lean
Subspace.dualEquivDual_def
[]
[ 1079, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1077, 1 ]
Mathlib/Deprecated/Subgroup.lean
IsGroupHom.isNormalSubgroup_ker
[]
[ 445, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 444, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.sum_filter_count_eq_countp
[ { "state_after": "no goals", "state_before": "ι : Type ?u.516018\nβ : Type u\nα : Type v\nγ : Type w\ns s₁ s₂ : Finset α\na : α\nf g : α → β\ninst✝² : CommMonoid β\ninst✝¹ : DecidableEq α\np : α → Prop\ninst✝ : DecidablePred p\nl : List α\n⊢ ∑ x in filter p (toFinset l), count x l = countp (fun b => decide ...
[ 1312, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1310, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.PushoutCocone.coequalizer_ext
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝¹ : Category C\nD : Type u₂\ninst✝ : Category D\nW✝ X Y Z : C\nf : X ⟶ Y\ng : X ⟶ Z\nt : PushoutCocone f g\nW : C\nk l : t.pt ⟶ W\nh₀ : inl t ≫ k = inl t ≫ l\nh₁ : inr t ≫ k = inr t ≫ l\n⊢ t.ι.app none ≫ k = t.ι.app none ≫ l", "tactic": "rw ...
[ 875, 66 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 870, 1 ]
Mathlib/Analysis/Calculus/LocalExtr.lean
IsLocalMinOn.hasFDerivWithinAt_eq_zero
[ { "state_after": "no goals", "state_before": "E : Type u\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\nf : E → ℝ\na : E\nf' : E →L[ℝ] ℝ\ns : Set E\nh : IsLocalMinOn f s a\nhf : HasFDerivWithinAt f f' s a\ny : E\nhy : y ∈ posTangentConeAt s a\nhy' : -y ∈ posTangentConeAt s a\n⊢ ↑f' y = 0", "ta...
[ 175, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/Data/Set/UnionLift.lean
Set.liftCover_coe
[]
[ 171, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 170, 1 ]
Mathlib/Algebra/BigOperators/Ring.lean
Finset.prod_one_sub_ordered
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\ns✝ s₁ s₂ : Finset α\na : α\nb : β\nf✝ g : α → β\ninst✝² : CommSemiring β\nι : Type u_1\nR : Type u_2\ninst✝¹ : CommRing R\ninst✝ : LinearOrder ι\ns : Finset ι\nf : ι → R\n⊢ ∏ i in s, 1 - ∑ i in s, (f i * ∏ j in filter (fun x => x < i) s, (1 - f j)) * ∏ j in ...
[ 202, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/Combinatorics/SimpleGraph/Coloring.lean
SimpleGraph.chromaticNumber_top_eq_zero_of_infinite
[ { "state_after": "V✝ : Type u\nG : SimpleGraph V✝\nα : Type v\nC : Coloring G α\nV : Type u_1\ninst✝ : Infinite V\nn : ℕ := chromaticNumber ⊤\n⊢ chromaticNumber ⊤ = 0", "state_before": "V✝ : Type u\nG : SimpleGraph V✝\nα : Type v\nC : Coloring G α\nV : Type u_1\ninst✝ : Infinite V\n⊢ chromaticNumber ⊤ = 0",...
[ 390, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 379, 1 ]
Mathlib/NumberTheory/PellMatiyasevic.lean
Pell.ysq_dvd_yy
[ { "state_after": "no goals", "state_before": "a : ℕ\na1 : 1 < a\nn : ℕ\n⊢ yn a1 n * yn a1 n ∣ yn a1 n ^ 3", "tactic": "simp [_root_.pow_succ]" }, { "state_after": "no goals", "state_before": "a : ℕ\na1 : 1 < a\nn : ℕ\n⊢ yn a1 n * yn a1 n ∣ yn a1 n * xn a1 n ^ (yn a1 n - 1) * yn a1 n", "t...
[ 493, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 490, 1 ]
Mathlib/MeasureTheory/Integral/Bochner.lean
MeasureTheory.mul_meas_ge_le_integral_of_nonneg
[ { "state_after": "case inl\nα : Type u_1\nE : Type ?u.1501155\nF : Type ?u.1501158\n𝕜 : Type ?u.1501161\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 : NormedAddCommGrou...
[ 1646, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1620, 1 ]
Mathlib/NumberTheory/PythagoreanTriples.lean
PythagoreanTriple.coprime_of_coprime
[ { "state_after": "x y z : ℤ\nh : PythagoreanTriple x y z\nhc : Int.gcd x y = 1\nH : ¬Int.gcd y z = 1\n⊢ False", "state_before": "x y z : ℤ\nh : PythagoreanTriple x y z\nhc : Int.gcd x y = 1\n⊢ Int.gcd y z = 1", "tactic": "by_contra H" }, { "state_after": "case intro.intro.intro\nx y z : ℤ\nh : P...
[ 263, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 255, 1 ]
Mathlib/Algebra/Regular/Basic.lean
isRegular_iff_ne_zero
[]
[ 378, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Order/Hom/Bounded.lean
BotHom.dual_id
[]
[ 767, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 766, 1 ]
Mathlib/Data/PNat/Defs.lean
PNat.mk_one
[]
[ 192, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 191, 1 ]
Mathlib/Data/Set/Intervals/Basic.lean
Set.Icc_eq_empty_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.27512\ninst✝ : Preorder α\na a₁ a₂ b b₁ b₂ c x : α\n⊢ Icc a b = ∅ ↔ ¬a ≤ b", "tactic": "rw [← not_nonempty_iff_eq_empty, not_iff_not, nonempty_Icc]" } ]
[ 683, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 682, 1 ]
Mathlib/Algebra/GroupWithZero/Defs.lean
mul_eq_zero_of_right
[]
[ 241, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 241, 1 ]
Mathlib/Topology/Separation.lean
t0Space_iff_inseparable
[]
[ 183, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 1 ]