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start
list
Mathlib/Data/Set/Pairwise/Basic.lean
Set.Subsingleton.pairwise
[]
[ 83, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 11 ]
Mathlib/Logic/Equiv/LocalEquiv.lean
LocalEquiv.IsImage.inter
[]
[ 440, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 439, 11 ]
Mathlib/LinearAlgebra/FreeModule/Finite/Rank.lean
FiniteDimensional.finrank_pi_fintype
[ { "state_after": "R : Type u\nM✝ : Type v\nN : Type w\ninst✝¹⁴ : Ring R\ninst✝¹³ : StrongRankCondition R\ninst✝¹² : AddCommGroup M✝\ninst✝¹¹ : Module R M✝\ninst✝¹⁰ : Module.Free R M✝\ninst✝⁹ : Module.Finite R M✝\ninst✝⁸ : AddCommGroup N\ninst✝⁷ : Module R N\ninst✝⁶ : Module.Free R N\ninst✝⁵ : Module.Finite R N\...
[ 130, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 125, 1 ]
Mathlib/CategoryTheory/Preadditive/Injective.lean
CategoryTheory.Injective.Exact.comp_desc
[ { "state_after": "no goals", "state_before": "C : Type u₁\ninst✝⁴ : Category C\ninst✝³ : HasZeroMorphisms C\ninst✝² : HasImages Cᵒᵖ\ninst✝¹ : HasEqualizers Cᵒᵖ\nJ Q R S : C\ninst✝ : Injective J\nh : R ⟶ J\nf : Q ⟶ R\ng : R ⟶ S\nhgf : Exact g.op f.op\nw : f ≫ h = 0\n⊢ g ≫ desc h f g hgf w = h", "tactic":...
[ 306, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 304, 1 ]
Mathlib/RingTheory/Coprime/Lemmas.lean
Int.isCoprime_iff_gcd_eq_one
[ { "state_after": "case mp\nR : Type u\nI : Type v\ninst✝ : CommSemiring R\nx y z : R\ns : I → R\nt : Finset I\nm n : ℤ\n⊢ IsCoprime m n → gcd m n = 1\n\ncase mpr\nR : Type u\nI : Type v\ninst✝ : CommSemiring R\nx y z : R\ns : I → R\nt : Finset I\nm n : ℤ\n⊢ gcd m n = 1 → IsCoprime m n", "state_before": "R :...
[ 43, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 36, 1 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousIdeal.lean
HomogeneousIdeal.toIdeal_sup
[]
[ 375, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 374, 1 ]
Mathlib/FieldTheory/IsAlgClosed/Basic.lean
lift.SubfieldWithHom.le_def
[]
[ 232, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Algebra/Invertible.lean
invOf_inj
[]
[ 285, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 284, 1 ]
Mathlib/Data/IsROrC/Basic.lean
IsROrC.conj_mul
[ { "state_after": "no goals", "state_before": "K : Type u_1\nE : Type ?u.5102758\ninst✝ : IsROrC K\nx : K\n⊢ ↑(starRingEnd K) x * x = ↑(↑normSq x)", "tactic": "rw [mul_comm, mul_conj]" } ]
[ 528, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 528, 1 ]
Mathlib/Data/Set/Finite.lean
Equiv.set_finite_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nγ : Type x\ns : Set α\nt : Set β\nhst : ↑s ≃ ↑t\n⊢ Set.Finite s ↔ Set.Finite t", "tactic": "simp_rw [← Set.finite_coe_iff, hst.finite_iff]" } ]
[ 523, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 522, 1 ]
Mathlib/Algebra/Order/Floor.lean
Nat.ceil_eq_zero
[ { "state_after": "no goals", "state_before": "F : Type ?u.52773\nα : Type u_1\nβ : Type ?u.52779\ninst✝¹ : LinearOrderedSemiring α\ninst✝ : FloorSemiring α\na : α\nn : ℕ\n⊢ ⌈a⌉₊ = 0 ↔ a ≤ 0", "tactic": "rw [← le_zero_iff, ceil_le, Nat.cast_zero]" } ]
[ 332, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 332, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.finset_sum_iSup_nat
[ { "state_after": "case refine'_1\nα✝ : Type ?u.147988\nβ : Type ?u.147991\nγ : Type ?u.147994\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nx y z ε ε₁ ε₂ : ℝ≥0∞\ns✝ : Set ℝ≥0∞\nα : Type u_1\nι : Type u_2\ninst✝ : SemilatticeSup ι\ns : Finset α\nf : α → ι → ℝ≥0∞\nhf : ∀ (a : α), Monotone (f a)\n⊢ ∑ a in ∅, iSup (f a) = ⨆ (n : ι...
[ 638, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 630, 1 ]
Mathlib/Data/Real/Hyperreal.lean
Hyperreal.Infinitesimal.mul
[ { "state_after": "no goals", "state_before": "x y : ℝ*\nhx : Infinitesimal x\nhy : Infinitesimal y\n⊢ Infinitesimal (x * y)", "tactic": "simpa only [mul_zero] using hx.mul hy" } ]
[ 710, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 709, 8 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.aleph_isNormal
[]
[ 340, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 339, 1 ]
Mathlib/Data/Sym/Sym2.lean
Sym2.ball
[ { "state_after": "α : Type u_1\nβ : Type ?u.34632\nγ : Type ?u.34635\np : α → Prop\na b : α\nh : p a ∧ p b\nc : α\nhc : c ∈ Quotient.mk (Rel.setoid α) (a, b)\n⊢ p c", "state_before": "α : Type u_1\nβ : Type ?u.34632\nγ : Type ?u.34635\np : α → Prop\na b : α\n⊢ (∀ (c : α), c ∈ Quotient.mk (Rel.setoid α) (a, ...
[ 354, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 350, 1 ]
Mathlib/CategoryTheory/Limits/Constructions/Over/Products.lean
CategoryTheory.Over.ConstructProducts.has_over_limit_discrete_of_widePullback_limit
[]
[ 140, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 135, 1 ]
Mathlib/Analysis/SpecialFunctions/Pow/Continuity.lean
cpow_eq_nhds'
[ { "state_after": "α : Type ?u.99046\np : ℂ × ℂ\nhp_fst : p.fst ≠ 0\nthis : ∀ᶠ (x : ℂ × ℂ) in 𝓝 p, x.fst ≠ 0\n⊢ (fun x => x.fst ^ x.snd) =ᶠ[𝓝 p] fun x => Complex.exp (Complex.log x.fst * x.snd)\n\ncase this\nα : Type ?u.99046\np : ℂ × ℂ\nhp_fst : p.fst ≠ 0\n⊢ ∀ᶠ (x : ℂ × ℂ) in 𝓝 p, x.fst ≠ 0", "state_befo...
[ 69, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Algebra/Ring/Equiv.lean
RingEquiv.toNonUnitalRingHom_trans
[]
[ 648, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 646, 1 ]
Mathlib/Order/FixedPoints.lean
OrderHom.nextFixed_le_iff
[]
[ 230, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 228, 1 ]
Mathlib/Topology/NhdsSet.lean
mem_nhdsSet_interior
[]
[ 107, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 106, 1 ]
Mathlib/Data/Real/Basic.lean
Real.sInf_nonneg
[ { "state_after": "case inl\nx y : ℝ\nhS : ∀ (x : ℝ), x ∈ ∅ → 0 ≤ x\n⊢ 0 ≤ sInf ∅\n\ncase inr\nx y : ℝ\nS : Set ℝ\nhS : ∀ (x : ℝ), x ∈ S → 0 ≤ x\nhS₂ : Set.Nonempty S\n⊢ 0 ≤ sInf S", "state_before": "x y : ℝ\nS : Set ℝ\nhS : ∀ (x : ℝ), x ∈ S → 0 ≤ x\n⊢ 0 ≤ sInf S", "tactic": "rcases S.eq_empty_or_nonempt...
[ 898, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 896, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Biproducts.lean
CategoryTheory.Limits.biprod.inrCokernelCofork_π
[]
[ 1731, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1730, 1 ]
Mathlib/NumberTheory/Padics/Hensel.lean
newton_seq_dist_to_a
[ { "state_after": "no goals", "state_before": "p : ℕ\ninst✝ : Fact (Nat.Prime p)\nF : Polynomial ℤ_[p]\na : ℤ_[p]\nhnorm : ‖Polynomial.eval a F‖ < ‖Polynomial.eval a (↑Polynomial.derivative F)‖ ^ 2\nhnsol : Polynomial.eval a F ≠ 0\n_h : 0 < 1\n⊢ ‖newton_seq 1 - a‖ = ‖Polynomial.eval a F‖ / ‖Polynomial.eval a...
[ 347, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 331, 9 ]
Mathlib/Analysis/SpecialFunctions/Pow/Deriv.lean
DifferentiableAt.cpow
[]
[ 118, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/Algebra/Quaternion.lean
QuaternionAlgebra.rank_eq_four
[ { "state_after": "S : Type ?u.258028\nT : Type ?u.258031\nR : Type u_1\ninst✝¹ : CommRing R\nc₁ c₂ r x y z : R\na b c : ℍ[R,c₁,c₂]\ninst✝ : StrongRankCondition R\n⊢ ↑4 = 4", "state_before": "S : Type ?u.258028\nT : Type ?u.258031\nR : Type u_1\ninst✝¹ : CommRing R\nc₁ c₂ r x y z : R\na b c : ℍ[R,c₁,c₂]\nins...
[ 571, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 569, 1 ]
Mathlib/Topology/Bornology/Constructions.lean
boundedSpace_induced_iff
[ { "state_after": "no goals", "state_before": "α✝ : Type ?u.106997\nβ✝ : Type ?u.107000\nι : Type ?u.107003\nπ : ι → Type ?u.107008\ninst✝⁴ : Fintype ι\ninst✝³ : Bornology α✝\ninst✝² : Bornology β✝\ninst✝¹ : (i : ι) → Bornology (π i)\nα : Type u_1\nβ : Type u_2\ninst✝ : Bornology β\nf : α → β\n⊢ BoundedSpace...
[ 161, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 159, 1 ]
Mathlib/Order/Filter/Pointwise.lean
Filter.NeBot.div_zero_nonneg
[]
[ 926, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 923, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.union_sdiff_cancel_left
[]
[ 2138, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2137, 1 ]
Mathlib/FieldTheory/Subfield.lean
Subfield.mem_map
[ { "state_after": "K : Type u\nL : Type v\nM : Type w\ninst✝² : Field K\ninst✝¹ : Field L\ninst✝ : Field M\ns✝ t : Subfield K\nf✝ f : K →+* L\ns : Subfield K\ny : L\n⊢ (y ∈\n let src := Subring.map f s.toSubring;\n {\n toSubring :=\n { toSubsemiring := src.toSubsemiring,\n ne...
[ 523, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 521, 1 ]
Mathlib/Analysis/Convex/Segment.lean
mem_segment_add_sub
[ { "state_after": "case h.e'_4\n𝕜 : Type u_1\nE : Type u_2\nF : Type ?u.167100\nG : Type ?u.167103\nι : Type ?u.167106\nπ : ι → Type ?u.167111\ninst✝³ : LinearOrderedRing 𝕜\ninst✝² : AddCommGroup E\ninst✝¹ : Module 𝕜 E\nx✝ y✝ : E\ninst✝ : Invertible 2\nx y : E\n⊢ x = midpoint 𝕜 (x + y) (x - y)", "state_b...
[ 318, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/CategoryTheory/Preadditive/AdditiveFunctor.lean
CategoryTheory.AdditiveFunctor.forget_obj
[]
[ 215, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.eq_prod_range_div'
[ { "state_after": "ι : Type ?u.621749\nβ : Type u\nα : Type v\nγ : Type w\ns s₁ s₂ : Finset α\na : α\nf✝ g : α → β\ninst✝¹ : CommMonoid β\nM : Type u_1\ninst✝ : CommGroup M\nf : ℕ → M\nn : ℕ\n⊢ f 0 * ∏ i in range n, f (i + 1) / f i = ∏ i in range (n + 1), if i = 0 then f 0 else f i / f (i - 1)", "state_befor...
[ 1419, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1416, 1 ]
Mathlib/SetTheory/Ordinal/NaturalOps.lean
NatOrdinal.toOrdinal_symm_eq
[]
[ 84, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 83, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.Sized.node4L
[ { "state_after": "no goals", "state_before": "α : Type u_1\nl : Ordnode α\nx : α\nm : Ordnode α\ny : α\nr : Ordnode α\nhl : Sized l\nhm : Sized m\nhr : Sized r\n⊢ Sized (Ordnode.node4L l x m y r)", "tactic": "cases m <;> [exact (hl.node' hm).node' hr; exact (hl.node' hm.2.1).node' (hm.2.2.node' hr)]" ...
[ 386, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 384, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.lipschitz
[]
[ 492, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 491, 1 ]
Mathlib/Combinatorics/Additive/SalemSpencer.lean
MulSalemSpencer.of_image
[]
[ 128, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/LinearAlgebra/TensorProduct.lean
TensorProduct.smul_tmul'
[]
[ 299, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 298, 1 ]
Mathlib/Order/Filter/FilterProduct.lean
Filter.Germ.const_lt
[]
[ 73, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Data/Finset/Lattice.lean
Finset.le_sup'
[ { "state_after": "F : Type ?u.248430\nα : Type u_2\nβ : Type u_1\nγ : Type ?u.248439\nι : Type ?u.248442\nκ : Type ?u.248445\ninst✝ : SemilatticeSup α\ns : Finset β\nH : Finset.Nonempty s\nf : β → α\nb : β\nh : b ∈ s\n⊢ ↑(f b) ≤ sup s (WithBot.some ∘ f)", "state_before": "F : Type ?u.248430\nα : Type u_2\nβ...
[ 812, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 810, 1 ]
Mathlib/Data/Nat/Parity.lean
Nat.Odd.sub_even
[]
[ 201, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 200, 1 ]
Mathlib/Data/Part.lean
Part.inv_def
[]
[ 701, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 701, 1 ]
Mathlib/Analysis/Normed/Group/Basic.lean
dist_mul_self_left
[ { "state_after": "no goals", "state_before": "𝓕 : Type ?u.57650\n𝕜 : Type ?u.57653\nα : Type ?u.57656\nι : Type ?u.57659\nκ : Type ?u.57662\nE : Type u_1\nF : Type ?u.57668\nG : Type ?u.57671\ninst✝² : SeminormedGroup E\ninst✝¹ : SeminormedGroup F\ninst✝ : SeminormedGroup G\ns : Set E\na✝ a₁ a₂ b✝ b₁ b₂ :...
[ 441, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 440, 1 ]
Mathlib/Topology/Order.lean
generateFrom_iUnion
[]
[ 950, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 948, 1 ]
Mathlib/Data/List/BigOperators/Basic.lean
List.Sublist.prod_le_prod'
[ { "state_after": "case slnil\nι : Type ?u.76473\nα : Type ?u.76476\nM : Type u_1\nN : Type ?u.76482\nP : Type ?u.76485\nM₀ : Type ?u.76488\nG : Type ?u.76491\nR : Type ?u.76494\ninst✝⁵ : Monoid M\ninst✝⁴ : Monoid N\ninst✝³ : Monoid P\nl l₁✝ l₂✝ : List M\na : M\ninst✝² : Preorder M\ninst✝¹ : CovariantClass M M (...
[ 290, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 280, 1 ]
Mathlib/MeasureTheory/Function/LpSpace.lean
MeasureTheory.Lp.continuous_posPart
[]
[ 1133, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1132, 1 ]
Mathlib/MeasureTheory/Measure/AEDisjoint.lean
MeasureTheory.AEDisjoint.iUnion_right_iff
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nα : Type u_2\nm : MeasurableSpace α\nμ : Measure α\ns t✝ u v : Set α\ninst✝ : Countable ι\nt : ι → Set α\n⊢ AEDisjoint μ s (⋃ (i : ι), t i) ↔ ∀ (i : ι), AEDisjoint μ s (t i)", "tactic": "simp only [AEDisjoint, inter_iUnion, measure_iUnion_null_...
[ 104, 64 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 102, 1 ]
Mathlib/Analysis/Convex/Strict.lean
StrictConvex.convex
[]
[ 111, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 109, 11 ]
Mathlib/Analysis/NormedSpace/BoundedLinearMaps.lean
IsBoundedLinearMap.id
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_1\ninst✝⁶ : NontriviallyNormedField 𝕜\nE : Type u_2\ninst✝⁵ : NormedAddCommGroup E\ninst✝⁴ : NormedSpace 𝕜 E\nF : Type ?u.23732\ninst✝³ : NormedAddCommGroup F\ninst✝² : NormedSpace 𝕜 F\nG : Type ?u.23822\ninst✝¹ : NormedAddCommGroup G\ninst✝ : Nor...
[ 112, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.const_mul_cancel'
[ { "state_after": "no goals", "state_before": "R : Type u\ninst✝ : CommRing R\nf g₁ g₂ : R\nU : Opens ↑(PrimeSpectrum.Top R)\nhu₁ : ∀ (x : ↑(PrimeSpectrum.Top R)), x ∈ U → g₁ ∈ Ideal.primeCompl x.asIdeal\nhu₂ : ∀ (x : ↑(PrimeSpectrum.Top R)), x ∈ U → g₂ ∈ Ideal.primeCompl x.asIdeal\n⊢ const R g₁ g₂ U hu₂ * c...
[ 407, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 405, 1 ]
Mathlib/Data/Set/Intervals/ProjIcc.lean
Set.IccExtend_of_right_le
[]
[ 125, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Combinatorics/Additive/Behrend.lean
Behrend.box_zero
[ { "state_after": "no goals", "state_before": "α : Type ?u.1778\nβ : Type ?u.1781\nn d k N : ℕ\nx : Fin n → ℕ\n⊢ box (n + 1) 0 = ∅", "tactic": "simp [box]" } ]
[ 85, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/Algebra/Lie/Basic.lean
LieHom.id_apply
[]
[ 346, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 345, 1 ]
Std/Data/Option/Lemmas.lean
Option.get_mem
[]
[ 25, 19 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 24, 1 ]
Mathlib/Data/ZMod/Basic.lean
ZMod.val_nat_cast
[ { "state_after": "case zero\na : ℕ\n⊢ val ↑a = a % Nat.zero\n\ncase succ\na n✝ : ℕ\n⊢ val ↑a = a % Nat.succ n✝", "state_before": "n a : ℕ\n⊢ val ↑a = a % n", "tactic": "cases n" }, { "state_after": "case succ\na n✝ : ℕ\n⊢ val (Fin.ofNat'' a) = a % Nat.succ n✝", "state_before": "case succ\na ...
[ 91, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/Topology/Sheaves/PresheafOfFunctions.lean
TopCat.presheafToTop_obj
[]
[ 116, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 114, 1 ]
Mathlib/Data/Rat/Cast.lean
Rat.cast_mk_of_ne_zero
[ { "state_after": "F : Type ?u.4202\nι : Type ?u.4205\nα : Type u_1\nβ : Type ?u.4211\ninst✝ : DivisionRing α\na b : ℤ\nb0 : ↑b ≠ 0\nb0' : b ≠ 0\n⊢ ↑(a /. b) = ↑a / ↑b", "state_before": "F : Type ?u.4202\nι : Type ?u.4205\nα : Type u_1\nβ : Type ?u.4211\ninst✝ : DivisionRing α\na b : ℤ\nb0 : ↑b ≠ 0\n⊢ ↑(a /....
[ 101, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 1 ]
Mathlib/Analysis/Normed/Field/InfiniteSum.lean
tsum_mul_tsum_eq_tsum_sum_range_of_summable_norm
[ { "state_after": "R : Type u_1\nι : Type ?u.12044\nι' : Type ?u.12047\ninst✝¹ : NormedRing R\ninst✝ : CompleteSpace R\nf g : ℕ → R\nhf : Summable fun x => ‖f x‖\nhg : Summable fun x => ‖g x‖\n⊢ ((∑' (n : ℕ), f n) * ∑' (n : ℕ), g n) = ∑' (n : ℕ), ∑ ij in antidiagonal n, f ij.fst * g ij.snd", "state_before": ...
[ 116, 70 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/Algebra/Free.lean
FreeMagma.traverse_pure
[]
[ 243, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 243, 1 ]
Mathlib/Order/UpperLower/Basic.lean
LowerSet.disjoint_prod
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.189730\nι : Sort ?u.189733\nκ : ι → Sort ?u.189738\ninst✝¹ : Preorder α\ninst✝ : Preorder β\ns s₁ s₂ : LowerSet α\nt t₁ t₂ : LowerSet β\nx : α × β\n⊢ Disjoint (s₁ ×ˢ t₁) (s₂ ×ˢ t₂) ↔ Disjoint s₁ s₂ ∨ Disjoint t₁ t₂", "...
[ 1743, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1742, 1 ]
Mathlib/Data/List/Perm.lean
List.Subperm.subset
[]
[ 451, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 450, 1 ]
Mathlib/Data/Matrix/Block.lean
Matrix.blockDiag_smul
[]
[ 607, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 605, 1 ]
Mathlib/FieldTheory/Separable.lean
Polynomial.nodup_of_separable_prod
[ { "state_after": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : Nontrivial R\ns : Multiset R\nhs : Separable (Multiset.prod (Multiset.map (fun a => X - ↑C a) s))\n⊢ ∀ (a : R) (t : Multiset R), s ≠ a ::ₘ a ::ₘ t", "state_before": "R : Type u\ninst✝¹ : CommRing R\ninst✝ : Nontrivial R\ns : Multiset R\nhs : Separab...
[ 223, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 218, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
Finset.sum_smul_const_vsub_eq_sub_weightedVSubOfPoint
[ { "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.106184\ns₂ : Finset ι₂\nw : ι → k\np₂ : ι → P\np₁ b : P\n⊢ ∑ i in s, w i • (p₁ -ᵥ p₂ i) = (∑ i i...
[ 205, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 203, 1 ]
Mathlib/SetTheory/Ordinal/NaturalOps.lean
Ordinal.nadd_nat
[ { "state_after": "case zero\na b c : Ordinal\n⊢ a ♯ ↑Nat.zero = a + ↑Nat.zero\n\ncase succ\na b c : Ordinal\nn : ℕ\nhn : a ♯ ↑n = a + ↑n\n⊢ a ♯ ↑(Nat.succ n) = a + ↑(Nat.succ n)", "state_before": "a b c : Ordinal\nn : ℕ\n⊢ a ♯ ↑n = a + ↑n", "tactic": "induction' n with n hn" }, { "state_after": ...
[ 319, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.erase_subset_erase
[]
[ 1938, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1937, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
LinearIsometry.coe_toSpanSingleton
[]
[ 126, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Order/Filter/Lift.lean
Filter.mem_lift'_sets
[]
[ 265, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/Computability/Primrec.lean
Primrec.nat_max
[]
[ 703, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 702, 1 ]
Mathlib/Order/WithBot.lean
WithBot.coe_le
[]
[ 232, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Mathlib/Order/Hom/Basic.lean
OrderHom.monotone
[]
[ 232, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 11 ]
Mathlib/Analysis/Complex/Circle.lean
coe_inv_circle
[]
[ 81, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 80, 1 ]
Mathlib/GroupTheory/OrderOfElement.lean
isOfFinOrder_ofAdd_iff
[]
[ 73, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 72, 1 ]
Mathlib/Topology/Basic.lean
mem_closure_iff_nhds_basis
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\na✝ : α\ns✝ s₁ s₂ t✝ : Set α\np✝ p₁ p₂ : α → Prop\ninst✝ : TopologicalSpace α\na : α\np : ι → Prop\ns : ι → Set α\nh : HasBasis (𝓝 a) p s\nt : Set α\n⊢ (∀ (i : ι), p i → Set.Nonempty (s i ∩ t)) ↔ ∀ (i : ι), p i → ∃ y, y ∈ t ∧ ...
[ 1355, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1352, 1 ]
Mathlib/CategoryTheory/Limits/ExactFunctor.lean
CategoryTheory.RightExactFunctor.of_fst
[]
[ 233, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 231, 1 ]
Std/Data/Nat/Lemmas.lean
Nat.le_max_left
[ { "state_after": "a b : Nat\n⊢ a ≤ if a ≤ b then b else a", "state_before": "a b : Nat\n⊢ a ≤ max a b", "tactic": "rw [Nat.max_def]" }, { "state_after": "no goals", "state_before": "a b : Nat\n⊢ a ≤ if a ≤ b then b else a", "tactic": "split <;> simp [*]" } ]
[ 202, 99 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 202, 11 ]
Mathlib/CategoryTheory/Triangulated/Pretriangulated.lean
CategoryTheory.Pretriangulated.inv_rot_of_dist_triangle
[]
[ 118, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Data/Matrix/Kronecker.lean
Matrix.kroneckerMap_reindex_left
[]
[ 170, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 166, 1 ]
Mathlib/Order/Hom/Lattice.lean
SupHom.top_apply
[]
[ 510, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 509, 1 ]
Mathlib/Order/SupIndep.lean
CompleteLattice.independent_pempty
[]
[ 277, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 276, 1 ]
Mathlib/Algebra/Module/Equiv.lean
LinearEquiv.apply_symm_apply
[]
[ 378, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 377, 1 ]
Mathlib/Topology/ContinuousOn.lean
mem_closure_ne_iff_frequently_within
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.1018\nγ : Type ?u.1021\nδ : Type ?u.1024\ninst✝ : TopologicalSpace α\nz : α\ns : Set α\n⊢ z ∈ closure (s \\ {z}) ↔ ∃ᶠ (x : α) in 𝓝[{z}ᶜ] z, x ∈ s", "tactic": "simp [mem_closure_iff_frequently, frequently_nhdsWithin_iff]" } ]
[ 64, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Mathlib/GroupTheory/Perm/Basic.lean
Equiv.Perm.one_def
[]
[ 89, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 88, 1 ]
Mathlib/Algebra/Lie/DirectSum.lean
DirectSum.lie_of_of_eq
[ { "state_after": "R : Type u\nι : Type v\ninst✝³ : CommRing R\nL : ι → Type w\ninst✝² : (i : ι) → LieRing (L i)\ninst✝¹ : (i : ι) → LieAlgebra R (L i)\ninst✝ : DecidableEq ι\ni j : ι\nhij : j = i\nx : L i\ny : L j\nthis : ↑(of L j) y = ↑(of L i) (Eq.recOn hij y)\n⊢ ⁅↑(of L i) x, ↑(of L j) y⁆ = ↑(of L i) ⁅x, Eq....
[ 178, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 1 ]
Mathlib/Algebra/Hom/Ring.lean
RingHom.map_neg
[]
[ 635, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 634, 11 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
continuousOn_extChartAt
[]
[ 1086, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1085, 1 ]
Mathlib/Analysis/Calculus/LocalExtr.lean
IsLocalMinOn.hasFDerivWithinAt_nonneg
[ { "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\n⊢ 0 ≤ ↑f' y", "tactic": "simpa using h.neg.hasFDer...
[ 159, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 157, 1 ]
Std/Data/Int/DivMod.lean
Int.emod_zero
[]
[ 265, 50 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 263, 9 ]
Mathlib/Order/Filter/Lift.lean
Filter.tendsto_lift
[ { "state_after": "no goals", "state_before": "α : Type u_3\nβ : Type u_2\nγ : Type u_1\nι : Sort ?u.12537\nf f₁ f₂ : Filter α\ng g₁ g₂ : Set α → Filter β\nm : γ → β\nl : Filter γ\n⊢ Tendsto m l (Filter.lift f g) ↔ ∀ (s : Set α), s ∈ f → Tendsto m l (g s)", "tactic": "simp only [Filter.lift, tendsto_iInf...
[ 109, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.continuousAt_const_mul
[]
[ 403, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 401, 11 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.ofFinsupp_single
[ { "state_after": "no goals", "state_before": "R : Type u\na b : R\nm n✝ : ℕ\ninst✝ : Semiring R\np q : R[X]\nn : ℕ\nr : R\n⊢ { toFinsupp := Finsupp.single n r } = ↑(monomial n) r", "tactic": "simp [monomial]" } ]
[ 428, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 427, 1 ]
Mathlib/Analysis/SpecialFunctions/Complex/LogDeriv.lean
HasDerivAt.clog_real
[ { "state_after": "no goals", "state_before": "α : Type ?u.37754\ninst✝² : TopologicalSpace α\nE : Type ?u.37760\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℂ E\nf : ℝ → ℂ\nx : ℝ\nf' : ℂ\nh₁ : HasDerivAt f f' x\nh₂ : 0 < (f x).re ∨ (f x).im ≠ 0\n⊢ HasDerivAt (fun t => log (f t)) (f' / f x) x", "t...
[ 110, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 107, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.beq_eq_true_eq
[ { "state_after": "a : Nat\n⊢ (a == a) = true", "state_before": "a b : Nat\nh : a = b\n⊢ (a == b) = true", "tactic": "subst h" }, { "state_after": "no goals", "state_before": "a : Nat\n⊢ (a == a) = true", "tactic": "apply LawfulBEq.rfl" } ]
[ 104, 150 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 104, 9 ]
Mathlib/Topology/Sets/Closeds.lean
TopologicalSpace.Closeds.coe_top
[]
[ 122, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 121, 1 ]
Mathlib/Analysis/SpecialFunctions/Integrals.lean
intervalIntegral.mul_integral_comp_mul_sub
[]
[ 291, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 289, 1 ]
Mathlib/Data/Nat/Pow.lean
Nat.lt_two_pow
[ { "state_after": "no goals", "state_before": "n : ℕ\n⊢ 1 < 2", "tactic": "decide" } ]
[ 56, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Analysis/Calculus/Deriv/Mul.lean
DifferentiableWithinAt.div_const
[]
[ 310, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 308, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Comp.lean
DifferentiableAt.iterate
[]
[ 258, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 256, 11 ]
Mathlib/Algebra/Module/Submodule/Basic.lean
Submodule.toAddSubmonoid_le
[]
[ 144, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 143, 1 ]
Mathlib/Analysis/Convex/Side.lean
AffineEquiv.wSameSide_map_iff
[]
[ 96, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 94, 1 ]
Mathlib/Analysis/Calculus/Taylor.lean
taylor_mean_remainder_cauchy
[ { "state_after": "𝕜 : Type ?u.331396\nE : Type ?u.331399\nF : Type ?u.331402\ninst✝¹ : NormedAddCommGroup E\ninst✝ : NormedSpace ℝ E\nf : ℝ → ℝ\nx x₀ : ℝ\nn : ℕ\nhx : x₀ < x\nhf : ContDiffOn ℝ (↑n) f (Icc x₀ x)\nhf' : DifferentiableOn ℝ (iteratedDerivWithin n f (Icc x₀ x)) (Ioo x₀ x)\ngcont : ContinuousOn id (...
[ 326, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 313, 1 ]