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Std/Logic.lean
Or.resolve_right
[]
[ 272, 90 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 272, 1 ]
Mathlib/Topology/Instances/ENNReal.lean
ENNReal.exists_countable_dense_no_zero_top
[ { "state_after": "case intro.intro.intro\nα : Type ?u.161670\nβ : Type ?u.161673\nγ : Type ?u.161676\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nx y z ε ε₁ ε₂ : ℝ≥0∞\ns✝ s : Set ℝ≥0∞\ns_count : Set.Countable s\ns_dense : Dense s\nhs : (∀ (x : ℝ≥0∞), IsBot x → ¬x ∈ s) ∧ ∀ (x : ℝ≥0∞), IsTop x → ¬x ∈ s\n⊢ ∃ s, Set.Countable s ∧...
[ 690, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 685, 1 ]
Mathlib/Algebra/Order/Ring/WithTop.lean
WithTop.top_mul
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : DecidableEq α\ninst✝¹ : Zero α\ninst✝ : Mul α\na : WithTop α\nh : a ≠ 0\n⊢ ⊤ * a = ⊤", "tactic": "rw [top_mul', if_neg h]" } ]
[ 60, 94 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 60, 9 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometry.ediam_image
[]
[ 325, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 324, 1 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.mem_closure_pair
[ { "state_after": "G : Type ?u.699594\nG' : Type ?u.699597\ninst✝⁴ : Group G\ninst✝³ : Group G'\nA : Type ?u.699606\ninst✝² : AddGroup A\nN : Type ?u.699612\ninst✝¹ : Group N\nC : Type u_1\ninst✝ : CommGroup C\ns t : Subgroup C\nx✝ x y z : C\n⊢ (∃ y_1, y_1 ∈ closure {x} ∧ ∃ z_1, z_1 ∈ closure {y} ∧ y_1 * z_1 = z...
[ 3521, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3518, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.preimage_mul_left_singleton
[ { "state_after": "no goals", "state_before": "F : Type ?u.127859\nα : Type u_1\nβ : Type ?u.127865\nγ : Type ?u.127868\ninst✝ : Group α\ns t : Set α\na b : α\n⊢ (fun x x_1 => x * x_1) a ⁻¹' {b} = {a⁻¹ * b}", "tactic": "rw [← image_mul_left', image_singleton]" } ]
[ 1222, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1221, 1 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.not_lt_eq
[]
[ 728, 158 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 727, 1 ]
Mathlib/Algebra/Group/Units.lean
eq_one_of_mul_right
[ { "state_after": "no goals", "state_before": "α : Type u\ninst✝¹ : CommMonoid α\ninst✝ : Subsingleton αˣ\na b : α\nh : a * b = 1\n⊢ b * a = 1", "tactic": "rwa [mul_comm]" } ]
[ 556, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 555, 1 ]
Mathlib/Algebra/Hom/Ring.lean
RingHom.ext
[]
[ 537, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 536, 1 ]
Mathlib/LinearAlgebra/Matrix/BilinearForm.lean
BilinForm.toMatrix'_compLeft
[ { "state_after": "no goals", "state_before": "R : Type ?u.601714\nM : Type ?u.601717\ninst✝¹⁸ : Semiring R\ninst✝¹⁷ : AddCommMonoid M\ninst✝¹⁶ : Module R M\nR₁ : Type ?u.601753\nM₁ : Type ?u.601756\ninst✝¹⁵ : Ring R₁\ninst✝¹⁴ : AddCommGroup M₁\ninst✝¹³ : Module R₁ M₁\nR₂ : Type u_1\nM₂ : Type ?u.602368\nins...
[ 248, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 246, 1 ]
Mathlib/Computability/Primrec.lean
Primrec.option_bind₁
[]
[ 630, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 629, 1 ]
Mathlib/Algebra/Lie/Submodule.lean
LieModuleHom.le_ker_iff_map
[ { "state_after": "no goals", "state_before": "R : Type u\nL : Type v\nM : Type w\nN : Type w₁\ninst✝¹⁰ : CommRing R\ninst✝⁹ : LieRing L\ninst✝⁸ : LieAlgebra R L\ninst✝⁷ : AddCommGroup M\ninst✝⁶ : Module R M\ninst✝⁵ : LieRingModule L M\ninst✝⁴ : LieModule R L M\ninst✝³ : AddCommGroup N\ninst✝² : Module R N\n...
[ 1199, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1198, 1 ]
Mathlib/CategoryTheory/Iso.lean
CategoryTheory.asIso_inv
[]
[ 325, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 324, 1 ]
Mathlib/LinearAlgebra/BilinearForm.lean
BilinForm.isOrtho_smul_left
[ { "state_after": "R : Type ?u.773122\nM : Type ?u.773125\ninst✝²² : Semiring R\ninst✝²¹ : AddCommMonoid M\ninst✝²⁰ : Module R M\nR₁ : Type ?u.773161\nM₁ : Type ?u.773164\ninst✝¹⁹ : Ring R₁\ninst✝¹⁸ : AddCommGroup M₁\ninst✝¹⁷ : Module R₁ M₁\nR₂ : Type ?u.773773\nM₂ : Type ?u.773776\ninst✝¹⁶ : CommSemiring R₂\nin...
[ 800, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 797, 1 ]
Mathlib/LinearAlgebra/QuadraticForm/Complex.lean
QuadraticForm.equivalent_sum_squares
[]
[ 81, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 77, 1 ]
Mathlib/Data/Finset/Sort.lean
Finset.min'_eq_sorted_zero
[ { "state_after": "α : Type ?u.14071\nβ : Type ?u.14074\ninst✝ : LinearOrder α\ns : Finset α\nh : Finset.Nonempty s\n⊢ 0 < card s", "state_before": "α : Type ?u.14071\nβ : Type ?u.14074\ninst✝ : LinearOrder α\ns : Finset α\nh : Finset.Nonempty s\n⊢ 0 < List.length (sort (fun x x_1 => x ≤ x_1) s)", "tacti...
[ 114, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 112, 1 ]
Mathlib/Algebra/Order/Ring/Defs.lean
mul_lt_mul
[]
[ 522, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 521, 1 ]
Mathlib/Data/Complex/Exponential.lean
Complex.sinh_neg
[ { "state_after": "no goals", "state_before": "x y : ℂ\n⊢ sinh (-x) = -sinh x", "tactic": "simp [sinh, exp_neg, (neg_div _ _).symm, add_mul]" } ]
[ 605, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 605, 1 ]
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
Finset.affineCombination_vsub
[ { "state_after": "no goals", "state_before": "k : Type u_3\nV : Type u_1\nP : Type u_2\ninst✝² : Ring k\ninst✝¹ : AddCommGroup V\ninst✝ : Module k V\nS : AffineSpace V P\nι : Type u_4\ns : Finset ι\nι₂ : Type ?u.264224\ns₂ : Finset ι₂\nw₁ w₂ : ι → k\np : ι → P\n⊢ ↑(affineCombination k s p) w₁ -ᵥ ↑(affineCom...
[ 438, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 436, 1 ]
Mathlib/LinearAlgebra/Lagrange.lean
Lagrange.sum_nodalWeight_mul_inv_sub_ne_zero
[ { "state_after": "no goals", "state_before": "F : Type u_2\ninst✝¹ : Field F\nι : Type u_1\ns : Finset ι\nv : ι → F\ni : ι\nr : ι → F\nx : F\ninst✝ : DecidableEq ι\nhvs : Set.InjOn v ↑s\nhx : ∀ (i : ι), i ∈ s → x ≠ v i\nhs : Finset.Nonempty s\n⊢ eval x (nodal s v) * ∑ i in s, nodalWeight s v i * (x - v i)⁻¹...
[ 612, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 608, 1 ]
Mathlib/Topology/Semicontinuous.lean
lowerSemicontinuous_iff_isClosed_preimage
[ { "state_after": "α : Type u_1\ninst✝² : TopologicalSpace α\nβ : Type ?u.24491\ninst✝¹ : Preorder β\nf✝ g : α → β\nx : α\ns t : Set α\ny z : β\nγ : Type u_2\ninst✝ : LinearOrder γ\nf : α → γ\n⊢ (∀ (y : γ), IsOpen (f ⁻¹' Ioi y)) ↔ ∀ (y : γ), IsClosed (f ⁻¹' Iic y)", "state_before": "α : Type u_1\ninst✝² : To...
[ 275, 62 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 272, 1 ]
Mathlib/CategoryTheory/Limits/IsLimit.lean
CategoryTheory.Limits.IsLimit.lift_comp_conePointUniqueUpToIso_inv
[ { "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\nr s t : Cone F\nP : IsLimit s\nQ : IsLimit t\n⊢ ∀ (j : J), (lift Q r ≫ (conePointUniqueUpToIso P Q).inv) ≫ s.π.app j = r.π.app j", "tactic": "simp...
[ 179, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 177, 1 ]
Mathlib/Analysis/Calculus/MeanValue.lean
lipschitzWith_of_nnnorm_deriv_le
[]
[ 689, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 686, 1 ]
Mathlib/LinearAlgebra/Matrix/Polynomial.lean
Polynomial.natDegree_det_X_add_C_le
[ { "state_after": "n : Type u_1\nα : Type u_2\ninst✝² : DecidableEq n\ninst✝¹ : Fintype n\ninst✝ : CommRing α\nA B : Matrix n n α\n⊢ natDegree (∑ σ : Equiv.Perm n, ↑sign σ • ∏ i : n, (X • Matrix.map A ↑C + Matrix.map B ↑C) (↑σ i) i) ≤ Fintype.card n", "state_before": "n : Type u_1\nα : Type u_2\ninst✝² : Dec...
[ 69, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 41, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Tagged.lean
BoxIntegral.TaggedPrepartition.mem_infPrepartition_comm
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nI J : Box ι\nπ π₁ π₂ : TaggedPrepartition I\nx : ι → ℝ\n⊢ J ∈ infPrepartition π₁ π₂.toPrepartition ↔ J ∈ infPrepartition π₂ π₁.toPrepartition", "tactic": "simp only [← mem_toPrepartition, infPrepartition_toPrepartition, inf_comm]" } ]
[ 213, 77 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 1 ]
Mathlib/Analysis/NormedSpace/LinearIsometry.lean
LinearIsometryEquiv.image_ball
[]
[ 1050, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1049, 1 ]
Mathlib/Algebra/MonoidAlgebra/Division.lean
AddMonoidAlgebra.support_divOf
[]
[ 72, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 69, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.mem_restrict'
[ { "state_after": "no goals", "state_before": "ι : Type u_1\nI J J₁ J₂ : Box ι\nπ π₁ π₂ : Prepartition I\nx : ι → ℝ\nπi πi₁ πi₂ : (J : Box ι) → Prepartition J\n⊢ J₁ ∈ restrict π J ↔ ∃ J', J' ∈ π ∧ ↑J₁ = ↑J ∩ ↑J'", "tactic": "simp only [mem_restrict, ← Box.withBotCoe_inj, Box.coe_inf, Box.coe_coe]" } ]
[ 494, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 493, 1 ]
Mathlib/Logic/Equiv/Defs.lean
Equiv.cast_trans
[ { "state_after": "α✝ : Sort u\nβ : Sort v\nγ : Sort w\nα : Sort u_1\nx : α\n⊢ ↑((Equiv.cast (_ : α = α)).trans (Equiv.cast (_ : α = α))) x = ↑(Equiv.cast (_ : α = α)) x", "state_before": "α✝ : Sort u\nβ✝ : Sort v\nγ✝ : Sort w\nα β γ : Sort u_1\nh : α = β\nh2 : β = γ\nx : α\n⊢ ↑((Equiv.cast h).trans (Equiv.c...
[ 323, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 321, 9 ]
Mathlib/Algebra/GroupWithZero/Defs.lean
mul_self_eq_zero
[ { "state_after": "no goals", "state_before": "G₀ : Type u\nM₀ : Type u_1\nM₀' : Type ?u.12250\nG₀' : Type ?u.12253\ninst✝¹ : MulZeroClass M₀\ninst✝ : NoZeroDivisors M₀\na b : M₀\n⊢ a * a = 0 ↔ a = 0", "tactic": "simp" } ]
[ 276, 56 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 276, 1 ]
Mathlib/Data/Finset/Image.lean
Finset.attach_image_val
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.108664\nγ : Type ?u.108667\ninst✝¹ : DecidableEq β\nf g : α → β\ns✝ : Finset α\nt : Finset β\na : α\nb c : β\ninst✝ : DecidableEq α\ns : Finset α\n⊢ (image Subtype.val (attach s)).val = s.val", "tactic": "rw [image_val, attach_val, ...
[ 586, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 585, 1 ]
Mathlib/Data/IsROrC/Basic.lean
IsROrC.div_re
[ { "state_after": "no goals", "state_before": "K : Type u_1\nE : Type ?u.5548479\ninst✝ : IsROrC K\nz w : K\n⊢ ↑re (z / w) = ↑re z * ↑re w / ↑normSq w + ↑im z * ↑im w / ↑normSq w", "tactic": "simp only [div_eq_mul_inv, mul_assoc, sub_eq_add_neg, neg_mul, mul_neg, neg_neg, map_neg,\n isROrC_simps]" } ]
[ 566, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 564, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/Pullbacks.lean
CategoryTheory.Limits.pullbackConeOfLeftIso_π_app_right
[]
[ 1639, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1639, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.exists_of_mem_map
[ { "state_after": "α : Type u\nβ : Type v\nγ : Type w\nf : α → β\nb : β\ns : Computation α\nh : b ∈ bind s (pure ∘ f)\n⊢ ∃ a, a ∈ s ∧ f a = b", "state_before": "α : Type u\nβ : Type v\nγ : Type w\nf : α → β\nb : β\ns : Computation α\nh : b ∈ map f s\n⊢ ∃ a, a ∈ s ∧ f a = b", "tactic": "rw [← bind_pure] a...
[ 900, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 895, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.not_mem_sdiff_of_mem_right
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.223601\nγ : Type ?u.223604\ninst✝ : DecidableEq α\ns t u v : Finset α\na b : α\nh : a ∈ t\n⊢ ¬a ∈ s \\ t", "tactic": "simp only [mem_sdiff, h, not_true, not_false_iff, and_false_iff]" } ]
[ 2061, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2060, 1 ]
Mathlib/CategoryTheory/Limits/Shapes/BinaryProducts.lean
CategoryTheory.Limits.prod.rightUnitor_hom_naturality
[]
[ 1089, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1087, 1 ]
Mathlib/NumberTheory/PythagoreanTriples.lean
PythagoreanTriple.zero
[ { "state_after": "no goals", "state_before": "⊢ PythagoreanTriple 0 0 0", "tactic": "simp only [PythagoreanTriple, MulZeroClass.zero_mul, zero_add]" } ]
[ 62, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 61, 1 ]
Mathlib/Topology/MetricSpace/Antilipschitz.lean
AntilipschitzWith.comp
[ { "state_after": "α : Type u_3\nβ : Type u_1\nγ : Type u_2\ninst✝² : PseudoEMetricSpace α\ninst✝¹ : PseudoEMetricSpace β\ninst✝ : PseudoEMetricSpace γ\nK : ℝ≥0\nf✝ : α → β\nKg : ℝ≥0\ng : β → γ\nhg : AntilipschitzWith Kg g\nKf : ℝ≥0\nf : α → β\nhf : AntilipschitzWith Kf f\nx y : α\n⊢ ↑Kf * (↑Kg * edist (g (f x))...
[ 136, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Topology/Constructions.lean
isOpen_prod_iff'
[ { "state_after": "case inl\nα : Type u\nβ : Type v\nγ : Type ?u.57822\nδ : Type ?u.57825\nε : Type ?u.57828\nζ : Type ?u.57831\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : TopologicalSpace β\ninst✝³ : TopologicalSpace γ\ninst✝² : TopologicalSpace δ\ninst✝¹ : TopologicalSpace ε\ninst✝ : TopologicalSpace ζ\ns : Set α\n...
[ 751, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 735, 1 ]
Mathlib/Topology/MetricSpace/Algebra.lean
dist_smul_pair
[]
[ 145, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 144, 1 ]
Mathlib/Data/Real/EReal.lean
EReal.coe_ennreal_ne_bot
[]
[ 563, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 562, 1 ]
Mathlib/Algebra/Algebra/Operations.lean
Submodule.mul_le_mul
[]
[ 235, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/RingTheory/Localization/Basic.lean
IsLocalization.map_smul
[ { "state_after": "no goals", "state_before": "R : Type u_2\ninst✝⁷ : CommSemiring R\nM : Submonoid R\nS : Type u_3\ninst✝⁶ : CommSemiring S\ninst✝⁵ : Algebra R S\nP : Type u_4\ninst✝⁴ : CommSemiring P\ninst✝³ : IsLocalization M S\ng : R →+* P\nhg : ∀ (y : { x // x ∈ M }), IsUnit (↑g ↑y)\nT : Submonoid P\nQ ...
[ 664, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 663, 1 ]
Mathlib/Data/Fintype/Powerset.lean
Finset.mem_powerset_len_univ_iff
[]
[ 44, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 42, 1 ]
Mathlib/Data/MvPolynomial/Counit.lean
MvPolynomial.counit_surjective
[]
[ 86, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 85, 1 ]
Mathlib/Analysis/MeanInequalities.lean
Real.inner_le_Lp_mul_Lq_hasSum_of_nonneg
[ { "state_after": "case intro\nι : Type u\ns : Finset ι\ng : ι → ℝ\np q : ℝ\nhpq : IsConjugateExponent p q\nA B : ℝ\nhA : 0 ≤ A\nhB : 0 ≤ B\nhg : ∀ (i : ι), 0 ≤ g i\nhg_sum : HasSum (fun i => g i ^ q) (B ^ q)\nf : ι → ℝ≥0\nhf_sum : HasSum (fun i => (fun i => ↑(f i)) i ^ p) (A ^ p)\n⊢ ∃ C, 0 ≤ C ∧ C ≤ A * B ∧ Has...
[ 646, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 635, 1 ]
Mathlib/Analysis/Convex/Function.lean
neg_strictConcaveOn_iff
[ { "state_after": "no goals", "state_before": "𝕜 : Type u_1\nE : Type u_2\nF : Type ?u.678489\nα : Type ?u.678492\nβ : Type u_3\nι : Type ?u.678498\ninst✝⁵ : OrderedSemiring 𝕜\ninst✝⁴ : AddCommMonoid E\ninst✝³ : AddCommMonoid F\ninst✝² : OrderedAddCommGroup β\ninst✝¹ : SMul 𝕜 E\ninst✝ : Module 𝕜 β\ns : S...
[ 872, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 871, 1 ]
Mathlib/NumberTheory/LegendreSymbol/MulCharacter.lean
MulChar.inv_apply
[ { "state_after": "case pos\nR✝ : Type u\ninst✝² : CommMonoid R✝\nR' : Type v\ninst✝¹ : CommMonoidWithZero R'\nR : Type u\ninst✝ : CommMonoidWithZero R\nχ : MulChar R R'\na : R\nha : IsUnit a\n⊢ ↑χ⁻¹ a = ↑χ (Ring.inverse a)\n\ncase neg\nR✝ : Type u\ninst✝² : CommMonoid R✝\nR' : Type v\ninst✝¹ : CommMonoidWithZer...
[ 367, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 350, 1 ]
Mathlib/Analysis/NormedSpace/HahnBanach/Separation.lean
geometric_hahn_banach_open_open
[ { "state_after": "case inl\n𝕜 : Type ?u.69030\nE : Type u_1\ninst✝⁴ : TopologicalSpace E\ninst✝³ : AddCommGroup E\ninst✝² : TopologicalAddGroup E\ninst✝¹ : Module ℝ E\ninst✝ : ContinuousSMul ℝ E\nt : Set E\nx y : E\nht₁ : Convex ℝ t\nht₃ : IsOpen t\nhs₁ : Convex ℝ ∅\nhs₂ : IsOpen ∅\ndisj : Disjoint ∅ t\n⊢ ∃ f ...
[ 149, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Algebra/Tropical/Basic.lean
Tropical.untrop_eq_iff_eq_trop
[]
[ 140, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 139, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.cos_abs
[ { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ cos (abs' x) = cos x", "tactic": "cases le_total x 0 <;> simp only [*, _root_.abs_of_nonneg, abs_of_nonpos, cos_neg]" } ]
[ 1198, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1197, 1 ]
Mathlib/Topology/Sets/Compacts.lean
TopologicalSpace.Compacts.coe_bot
[]
[ 123, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 122, 1 ]
Std/Classes/LawfulMonad.lean
SatisfiesM.trivial
[]
[ 84, 59 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 83, 11 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.piecewise_univ
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.39189\nδ : Type ?u.39192\ninst✝ : MeasurableSpace α\nf g : α →ₛ β\n⊢ Set.piecewise univ ↑f ↑g = ↑f", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.39189\nδ : Type ?u.39192\ninst✝ : MeasurableSpace α\nf g : α →ₛ β\n⊢ ↑(piecewise univ (_ : M...
[ 262, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 261, 1 ]
Mathlib/Topology/LocallyConstant/Basic.lean
LocallyConstant.mulIndicator_of_not_mem
[]
[ 564, 34 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 563, 1 ]
Mathlib/Algebra/Star/Pi.lean
Pi.star_apply
[]
[ 36, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 35, 1 ]
Std/Data/Nat/Lemmas.lean
Nat.lt_iff_le_not_le
[]
[ 42, 81 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 41, 11 ]
Mathlib/CategoryTheory/GlueData.lean
CategoryTheory.GlueData.hasColimit_multispan_comp
[]
[ 345, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 344, 1 ]
Mathlib/Topology/MetricSpace/ShrinkingLemma.lean
exists_iUnion_ball_eq_radius_pos_lt
[]
[ 83, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 78, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.mem_support_iff
[]
[ 1138, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1137, 1 ]
Mathlib/Algebra/Order/LatticeGroup.lean
LatticeOrderedCommGroup.mabs_of_one_le
[]
[ 521, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 520, 1 ]
Mathlib/Topology/PartitionOfUnity.lean
PartitionOfUnity.IsSubordinate.continuous_finsum_smul
[]
[ 223, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Add.lean
DifferentiableOn.sub
[]
[ 508, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 507, 1 ]
Mathlib/AlgebraicGeometry/PresheafedSpace.lean
AlgebraicGeometry.PresheafedSpace.id_base
[]
[ 202, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 201, 1 ]
Mathlib/Topology/Basic.lean
accPt_iff_frequently
[ { "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\nx : α\nC : Set α\n⊢ AccPt x (𝓟 C) ↔ ∃ᶠ (y : α) in 𝓝 x, y ≠ x ∧ y ∈ C", "tactic": "simp [acc_principal_iff_cluster, clusterPt_principal_iff_frequen...
[ 1191, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1190, 1 ]
Mathlib/Data/Set/Basic.lean
Set.ssubset_of_ssubset_of_subset
[]
[ 417, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 415, 11 ]
src/lean/Init/Data/Nat/Basic.lean
Nat.sub_eq_of_eq_add
[ { "state_after": "no goals", "state_before": "a b c : Nat\nh : a = c + b\n⊢ a - b = c", "tactic": "rw [h, Nat.add_sub_cancel]" } ]
[ 611, 29 ]
d5348dfac847a56a4595fb6230fd0708dcb4e7e9
https://github.com/leanprover/lean4
[ 610, 11 ]
Mathlib/Combinatorics/SimpleGraph/Basic.lean
SimpleGraph.exists_maximal_degree_vertex
[ { "state_after": "case intro\nι : Sort ?u.292636\n𝕜 : Type ?u.292639\nV : Type u\nW : Type v\nX : Type w\nG : SimpleGraph V\nG' : SimpleGraph W\na b c u v w : V\ne : Sym2 V\ninst✝² : Fintype V\ninst✝¹ : DecidableRel G.Adj\ninst✝ : Nonempty V\nt : ℕ\nht : Finset.max (image (fun v => degree G v) univ) = ↑t\n⊢ ∃ ...
[ 1555, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1547, 1 ]
Mathlib/Data/Bool/Basic.lean
Bool.or_comm
[ { "state_after": "no goals", "state_before": "⊢ ∀ (a b : Bool), (a || b) = (b || a)", "tactic": "decide" } ]
[ 151, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 151, 1 ]
Mathlib/Data/Nat/Size.lean
Nat.size_shiftl
[]
[ 127, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 126, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.inverse_non_equiv
[]
[ 2507, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2506, 1 ]
Mathlib/Combinatorics/Colex.lean
Colex.hom_le_iff
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\ninst✝¹ : LinearOrder α\ninst✝ : LinearOrder β\nf : α → β\nh₁ : StrictMono f\nA B : Finset α\n⊢ toColex (image f A) ≤ toColex (image f B) ↔ toColex A ≤ toColex B", "tactic": "rw [le_iff_le_iff_lt_iff_lt, hom_lt_iff h₁]" } ]
[ 247, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 245, 1 ]
Mathlib/GroupTheory/Subgroup/Pointwise.lean
Subgroup.normal_mul
[ { "state_after": "no goals", "state_before": "α : Type ?u.32325\nG : Type u_1\nA : Type ?u.32331\nS : Type ?u.32334\ninst✝² : Group G\ninst✝¹ : AddGroup A\ns : Set G\nN H : Subgroup G\ninst✝ : Normal N\n⊢ ↑(N ⊔ H) = ↑N * ↑H", "tactic": "rw [← set_mul_normal_comm, sup_comm, mul_normal]" } ]
[ 191, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 190, 1 ]
Mathlib/Topology/UniformSpace/CompareReals.lean
Rat.uniformSpace_eq
[ { "state_after": "case a.a\ns : Set (ℚ × ℚ)\n⊢ s ∈ uniformity ℚ ↔ s ∈ uniformity ℚ", "state_before": "⊢ AbsoluteValue.uniformSpace AbsoluteValue.abs = PseudoMetricSpace.toUniformSpace", "tactic": "ext s" }, { "state_after": "case a.a\ns : Set (ℚ × ℚ)\n⊢ (∃ i, 0 < i ∧ {p | ↑AbsoluteValue.abs (p.s...
[ 68, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 63, 1 ]
Mathlib/RingTheory/NonUnitalSubsemiring/Basic.lean
NonUnitalSubsemiring.eq_top_iff'
[]
[ 466, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 465, 1 ]
Mathlib/Algebra/CharP/LocalRing.lean
charP_zero_or_prime_power
[ { "state_after": "R : Type u_1\ninst✝¹ : CommRing R\ninst✝ : LocalRing R\nq : ℕ\nchar_R_q : CharP R q\n⊢ ¬q = 0 → IsPrimePow q", "state_before": "R : Type u_1\ninst✝¹ : CommRing R\ninst✝ : LocalRing R\nq : ℕ\nchar_R_q : CharP R q\n⊢ q = 0 ∨ IsPrimePow q", "tactic": "apply or_iff_not_imp_left.2" }, {...
[ 70, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 28, 1 ]
Mathlib/Analysis/Normed/Field/Basic.lean
nnnorm_mul_le
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.12527\nγ : Type ?u.12530\nι : Type ?u.12533\ninst✝ : NonUnitalSeminormedRing α\na b : α\n⊢ ‖a * b‖₊ ≤ ‖a‖₊ * ‖b‖₊", "tactic": "simpa only [← norm_toNNReal, ← Real.toNNReal_mul (norm_nonneg _)] using\n Real.toNNReal_mono (norm_mul_l...
[ 201, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 199, 1 ]
Mathlib/MeasureTheory/Measure/FiniteMeasure.lean
MeasureTheory.FiniteMeasure.restrict_apply
[ { "state_after": "Ω : Type u_1\ninst✝⁴ : MeasurableSpace Ω\nR : Type ?u.38918\ninst✝³ : SMul R ℝ≥0\ninst✝² : SMul R ℝ≥0∞\ninst✝¹ : IsScalarTower R ℝ≥0 ℝ≥0∞\ninst✝ : IsScalarTower R ℝ≥0∞ ℝ≥0∞\nμ : FiniteMeasure Ω\nA s : Set Ω\ns_mble : MeasurableSet s\n⊢ ↑↑↑(restrict μ A) s = ↑↑↑μ (s ∩ A)", "state_before": "...
[ 293, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 290, 1 ]
Mathlib/RingTheory/GradedAlgebra/Basic.lean
DirectSum.coe_decompose_mul_add_of_left_mem
[ { "state_after": "case intro\nι : Type u_1\nR : Type ?u.154109\nA : Type u_2\nσ : Type u_3\ninst✝⁵ : DecidableEq ι\ninst✝⁴ : Semiring A\ninst✝³ : SetLike σ A\ninst✝² : AddSubmonoidClass σ A\n𝒜 : ι → σ\ni j : ι\ninst✝¹ : AddLeftCancelMonoid ι\ninst✝ : GradedRing 𝒜\nb : A\na : { x // x ∈ 𝒜 i }\n⊢ ↑(↑(↑(decompo...
[ 145, 58 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 142, 1 ]
Mathlib/Order/ModularLattice.lean
covby_sup_of_inf_covby_of_inf_covby_right
[ { "state_after": "α : Type u_1\ninst✝¹ : Lattice α\ninst✝ : IsWeakUpperModularLattice α\na b : α\n⊢ b ⊓ a ⋖ a → b ⊓ a ⋖ b → b ⋖ b ⊔ a", "state_before": "α : Type u_1\ninst✝¹ : Lattice α\ninst✝ : IsWeakUpperModularLattice α\na b : α\n⊢ a ⊓ b ⋖ a → a ⊓ b ⋖ b → b ⋖ a ⊔ b", "tactic": "rw [inf_comm, sup_comm...
[ 107, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 1 ]
Mathlib/CategoryTheory/Limits/Types.lean
CategoryTheory.Limits.Types.Limit.w_apply
[]
[ 191, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 189, 1 ]
Mathlib/Analysis/NormedSpace/Banach.lean
AffineMap.isOpenMap
[]
[ 274, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 269, 1 ]
Mathlib/CategoryTheory/Closed/Cartesian.lean
CategoryTheory.coev_app_comp_pre_app
[]
[ 297, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 294, 1 ]
Mathlib/Algebra/FreeMonoid/Basic.lean
FreeMonoid.lift_of_comp_eq_map
[]
[ 342, 96 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 342, 1 ]
Mathlib/MeasureTheory/Function/LpSeminorm.lean
MeasureTheory.Memℒp.const_smul
[]
[ 1485, 88 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1483, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.sin_sub
[ { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ sin (x - y) = sin x * cos y - cos x * sin y", "tactic": "simp [sub_eq_add_neg, sin_add, sin_neg, cos_neg]" } ]
[ 1206, 51 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1205, 1 ]
Mathlib/Data/Nat/Prime.lean
Nat.prime_dvd_prime_iff_eq
[]
[ 212, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 211, 1 ]
Mathlib/Data/List/Sigma.lean
List.mem_lookupAll
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : α → Type v\nl l₁ l₂ : List (Sigma β)\ninst✝ : DecidableEq α\na : α\nb : β a\n⊢ b ∈ lookupAll a [] ↔ { fst := a, snd := b } ∈ []", "tactic": "simp" }, { "state_after": "case pos\nα : Type u\nβ : α → Type v\nl✝ l₁ l₂ : List (Sigma β)\ni...
[ 299, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 292, 1 ]
Mathlib/Analysis/ODE/PicardLindelof.lean
PicardLindelof.lipschitzOnWith
[]
[ 107, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 105, 11 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.lt_add_right
[ { "state_after": "no goals", "state_before": "α : Type ?u.124501\nβ : Type ?u.124504\na b c d : ℝ≥0∞\nr p q : ℝ≥0\nha : a ≠ ⊤\nhb : b ≠ 0\n⊢ a < a + b", "tactic": "rwa [← pos_iff_ne_zero, ← ENNReal.add_lt_add_iff_left ha, add_zero] at hb" } ]
[ 802, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 801, 1 ]
Mathlib/Order/CountableDenseLinearOrder.lean
Order.exists_between_finsets
[]
[ 69, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 47, 1 ]
Mathlib/Data/Finsupp/Lex.lean
Finsupp.toLex_monotone
[]
[ 92, 100 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 91, 1 ]
Mathlib/Analysis/Convex/Function.lean
ConvexOn.subset
[]
[ 108, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 106, 1 ]
Mathlib/Data/Dfinsupp/Basic.lean
Dfinsupp.sigmaCurry_single
[ { "state_after": "case mk\nι : Type u\nγ : Type w\nβ : ι → Type v\nβ₁ : ι → Type v₁\nβ₂ : ι → Type v₂\ndec : DecidableEq ι\nκ : Type ?u.625564\nα : ι → Type u_1\nδ : (i : ι) → α i → Type v\ninst✝¹ : (i : ι) → DecidableEq (α i)\ninst✝ : (i : ι) → (j : α i) → Zero (δ i j)\ni : ι\nj : α i\nx : δ { fst := i, snd :=...
[ 1521, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1507, 1 ]
Mathlib/MeasureTheory/MeasurableSpaceDef.lean
MeasurableSpace.generateFrom_insert_univ
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.22240\nγ : Type ?u.22243\nδ : Type ?u.22246\nδ' : Type ?u.22249\nι : Sort ?u.22252\ns t u : Set α\nS : Set (Set α)\n⊢ generateFrom (insert univ S) = generateFrom S", "tactic": "rw [insert_eq, ← generateFrom_sup_generateFrom, generat...
[ 454, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 452, 1 ]
Mathlib/Analysis/Asymptotics/Asymptotics.lean
Asymptotics.isLittleO_const_iff
[]
[ 1363, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1361, 1 ]
Mathlib/Data/Polynomial/HasseDeriv.lean
Polynomial.hasseDeriv_mul
[ { "state_after": "R : Type u_1\ninst✝ : Semiring R\nk : ℕ\nf✝ f g : R[X]\nD : ℕ → R[X] →+ R[X] := fun k => LinearMap.toAddMonoidHom (hasseDeriv k)\n⊢ ↑(hasseDeriv k) (f * g) = ∑ ij in antidiagonal k, ↑(hasseDeriv ij.fst) f * ↑(hasseDeriv ij.snd) g", "state_before": "R : Type u_1\ninst✝ : Semiring R\nk : ℕ\n...
[ 269, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 235, 1 ]
Mathlib/Order/JordanHolder.lean
CompositionSeries.append_succ_natAdd
[ { "state_after": "no goals", "state_before": "X : Type u\ninst✝¹ : Lattice X\ninst✝ : JordanHolderLattice X\ns₁ s₂ : CompositionSeries X\nh : top s₁ = bot s₂\ni : Fin s₂.length\n⊢ series (append s₁ s₂ h) (Fin.succ (↑(Fin.natAdd s₁.length) i)) = series s₂ (Fin.succ i)", "tactic": "rw [coe_append, append_...
[ 541, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 539, 1 ]
Mathlib/Algebra/BigOperators/Order.lean
Finset.sum_card_inter
[]
[ 359, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 357, 1 ]
Mathlib/Data/Polynomial/Eval.lean
Polynomial.coeff_comp_degree_mul_degree
[ { "state_after": "R : 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]\nhqd0 : natDegree q ≠ 0\n⊢ (sum p fun a b => coeff (↑C b * q ^ a) (natDegree p * natDegree q)) = leadingCoeff p * leadingCoeff q ^ natDegree p", "state_before": "R : Type u\nS : Type v\nT : T...
[ 680, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 665, 1 ]