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list
Mathlib/Algebra/DirectSum/Ring.lean
DirectSum.mul_comm
[ { "state_after": "ι : Type u_1\ninst✝³ : DecidableEq ι\nA : ι → Type u_2\ninst✝² : (i : ι) → AddCommMonoid (A i)\ninst✝¹ : AddCommMonoid ι\ninst✝ : GCommSemiring A\na b : ⨁ (i : ι), A i\n⊢ mulHom A = AddMonoidHom.flip (mulHom A)", "state_before": "ι : Type u_1\ninst✝³ : DecidableEq ι\nA : ι → Type u_2\ninst...
[ 348, 76 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 343, 9 ]
Mathlib/Geometry/Euclidean/Angle/Unoriented/Basic.lean
InnerProductGeometry.angle_self_neg_of_nonzero
[ { "state_after": "no goals", "state_before": "V : Type u_1\ninst✝¹ : NormedAddCommGroup V\ninst✝ : InnerProductSpace ℝ V\nx✝ y x : V\nhx : x ≠ 0\n⊢ angle x (-x) = π", "tactic": "rw [angle_neg_right, angle_self hx, sub_zero]" } ]
[ 143, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 142, 1 ]
Mathlib/SetTheory/Ordinal/Topology.lean
Ordinal.enumOrd_isNormal_iff_isClosed
[ { "state_after": "s : Set Ordinal\na : Ordinal\nhs : Set.Unbounded (fun x x_1 => x < x_1) s\nHs : StrictMono (enumOrd s)\n⊢ IsNormal (enumOrd s) ↔ IsClosed s", "state_before": "s : Set Ordinal\na : Ordinal\nhs : Set.Unbounded (fun x x_1 => x < x_1) s\n⊢ IsNormal (enumOrd s) ↔ IsClosed s", "tactic": "hav...
[ 238, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 212, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.boundedBy_union_of_top_of_nonempty_inter
[]
[ 927, 101 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 923, 1 ]
Mathlib/Order/CompleteBooleanAlgebra.lean
compl_iInf
[]
[ 300, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 296, 1 ]
Mathlib/Topology/ContinuousFunction/Bounded.lean
BoundedContinuousFunction.extend_comp
[]
[ 471, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 470, 8 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.pos_of_mem_ball
[]
[ 557, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 556, 1 ]
Mathlib/Data/Finset/NAry.lean
Finset.image₂_singleton_left
[ { "state_after": "no goals", "state_before": "α : Type u_2\nα' : Type ?u.26477\nβ : Type u_3\nβ' : Type ?u.26483\nγ : Type u_1\nγ' : Type ?u.26489\nδ : Type ?u.26492\nδ' : Type ?u.26495\nε : Type ?u.26498\nε' : Type ?u.26501\nζ : Type ?u.26504\nζ' : Type ?u.26507\nν : Type ?u.26510\ninst✝⁷ : DecidableEq α'\...
[ 155, 23 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 154, 1 ]
Mathlib/Dynamics/OmegaLimit.lean
mem_omegaLimit_iff_frequently₂
[ { "state_after": "no goals", "state_before": "τ : Type u_2\nα : Type u_3\nβ : Type u_1\nι : Type ?u.30321\ninst✝ : TopologicalSpace β\nf : Filter τ\nϕ : τ → α → β\ns s₁ s₂ : Set α\ny : β\n⊢ y ∈ ω f ϕ s ↔ ∀ (n : Set β), n ∈ 𝓝 y → ∃ᶠ (t : τ) in f, Set.Nonempty (ϕ t '' s ∩ n)", "tactic": "simp_rw [mem_ome...
[ 152, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 150, 1 ]
Mathlib/Analysis/SpecialFunctions/Log/Base.lean
Real.logb_pos_iff
[ { "state_after": "b x y : ℝ\nhb : 1 < b\nhx : 0 < x\n⊢ logb b 1 < logb b x ↔ 1 < x", "state_before": "b x y : ℝ\nhb : 1 < b\nhx : 0 < x\n⊢ 0 < logb b x ↔ 1 < x", "tactic": "rw [← @logb_one b]" }, { "state_after": "no goals", "state_before": "b x y : ℝ\nhb : 1 < b\nhx : 0 < x\n⊢ logb b 1 < lo...
[ 181, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/Topology/MetricSpace/Basic.lean
Continuous.nndist
[]
[ 1850, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1848, 11 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/ArctanDeriv.lean
Real.differentiableAt_tan
[]
[ 60, 93 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.concat_ne_nil
[ { "state_after": "no goals", "state_before": "V : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\nu v : V\np : Walk G u v\nh : Adj G v u\n⊢ concat p h ≠ nil", "tactic": "cases p <;> simp [concat]" } ]
[ 484, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 483, 1 ]
Mathlib/Topology/Order/Basic.lean
isClosed_Icc
[]
[ 154, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 153, 1 ]
Mathlib/SetTheory/Cardinal/Basic.lean
Cardinal.succ_ne_zero
[]
[ 813, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 812, 1 ]
Mathlib/GroupTheory/GroupAction/ConjAct.lean
ConjAct.toConjAct_zero
[]
[ 226, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 225, 1 ]
Mathlib/Logic/Basic.lean
funext₃
[]
[ 606, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 605, 1 ]
Mathlib/LinearAlgebra/FreeModule/Finite/Rank.lean
Submodule.finrank_quotient_le
[ { "state_after": "no goals", "state_before": "R : Type u\nM : Type v\nN : Type w\ninst✝⁶ : Ring R\ninst✝⁵ : StrongRankCondition R\ninst✝⁴ : AddCommGroup M\ninst✝³ : Module R M\ninst✝² : AddCommGroup N\ninst✝¹ : Module R N\ninst✝ : Module.Finite R M\ns : Submodule R M\n⊢ finrank R (M ⧸ s) ≤ finrank R M", ...
[ 214, 71 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 210, 1 ]
Mathlib/RingTheory/Int/Basic.lean
Int.sq_of_coprime
[]
[ 244, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 242, 1 ]
Mathlib/RingTheory/RootsOfUnity/Basic.lean
mem_rootsOfUnity'
[ { "state_after": "M : Type u_1\nN : Type ?u.155571\nG : Type ?u.155574\nR : Type ?u.155577\nS : Type ?u.155580\nF : Type ?u.155583\ninst✝² : CommMonoid M\ninst✝¹ : CommMonoid N\ninst✝ : DivisionCommMonoid G\nk✝ l k : ℕ+\nζ : Mˣ\n⊢ ζ ^ ↑k = 1 ↔ ↑ζ ^ ↑k = 1", "state_before": "M : Type u_1\nN : Type ?u.155571\...
[ 100, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 99, 1 ]
Mathlib/Algebra/Category/GroupCat/Basic.lean
CommGroupCat.coe_of
[]
[ 257, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 256, 1 ]
Mathlib/Order/Basic.lean
eq_of_le_of_forall_ge_of_dense
[]
[ 1327, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1325, 1 ]
Mathlib/Combinatorics/SimpleGraph/Acyclic.lean
SimpleGraph.isAcyclic_iff_path_unique
[]
[ 129, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 128, 1 ]
Mathlib/Data/Finite/Defs.lean
Finite.ofBijective
[]
[ 87, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 86, 1 ]
Mathlib/Algebra/Associated.lean
Associates.dvdNotUnit_iff_lt
[]
[ 1145, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1144, 1 ]
Mathlib/Algebra/Group/Commute.lean
Commute.inv_inv_iff
[]
[ 312, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 311, 1 ]
Mathlib/RingTheory/GradedAlgebra/HomogeneousIdeal.lean
HomogeneousIdeal.mem_irrelevant_iff
[]
[ 667, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 665, 1 ]
Mathlib/Order/Interval.lean
Interval.coe_iInf₂
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.68647\nγ : Type ?u.68650\nδ : Type ?u.68653\nι : Sort u_2\nκ : ι → Sort u_3\ninst✝¹ : CompleteLattice α\ninst✝ : DecidableRel fun x x_1 => x ≤ x_1\nf : (i : ι) → κ i → Interval α\n⊢ ↑(⨅ (i : ι) (j : κ i), f i j) = ⋂ (i : ι) (j : κ i), ↑...
[ 786, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 785, 1 ]
Mathlib/Data/Real/ENNReal.lean
ENNReal.top_div_coe
[]
[ 1548, 72 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1548, 9 ]
Mathlib/MeasureTheory/PiSystem.lean
isPiSystem_Icc_mem
[ { "state_after": "no goals", "state_before": "α : Type u_1\nι : Sort ?u.19636\nι' : Sort ?u.19639\ninst✝ : LinearOrder α\ns t : Set α\n⊢ ∀ {a₁ b₁ a₂ b₂ : α}, Icc a₁ b₁ ∩ Icc a₂ b₂ = Icc (max a₁ a₂) (min b₁ b₂)", "tactic": "exact Icc_inter_Icc" } ]
[ 212, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 210, 1 ]
Mathlib/Combinatorics/Composition.lean
List.sum_take_map_length_splitWrtComposition
[ { "state_after": "case e_a.e_a\nn : ℕ\nα : Type u_1\nl : List α\nc : Composition (length l)\ni : ℕ\n⊢ map length (splitWrtComposition l c) = c.blocks", "state_before": "n : ℕ\nα : Type u_1\nl : List α\nc : Composition (length l)\ni : ℕ\n⊢ sum (take i (map length (splitWrtComposition l c))) = Composition.siz...
[ 722, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 719, 1 ]
Mathlib/Data/Polynomial/Lifts.lean
Polynomial.C_mem_lifts
[ { "state_after": "no goals", "state_before": "R : Type u\ninst✝¹ : Semiring R\nS : Type v\ninst✝ : Semiring S\nf✝ f : R →+* S\nr : R\n⊢ ↑(mapRingHom f) (↑C r) = ↑C (↑f r)", "tactic": "simp only [coe_mapRingHom, map_C, Set.mem_univ, Subsemiring.coe_top, eq_self_iff_true,\n and_self_iff]" } ]
[ 85, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 82, 1 ]
Mathlib/Data/Ordmap/Ordset.lean
Ordnode.Any.imp
[]
[ 461, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 459, 1 ]
Mathlib/Topology/Sheaves/Stalks.lean
TopCat.Presheaf.section_ext
[ { "state_after": "C : Type u\ninst✝⁶ : Category C\ninst✝⁵ : HasColimits C\nX Y Z : TopCat\ninst✝⁴ : ConcreteCategory C\ninst✝³ : PreservesFilteredColimits (forget C)\ninst✝² : HasLimits C\ninst✝¹ : PreservesLimits (forget C)\ninst✝ : ReflectsIsomorphisms (forget C)\nF : Sheaf C X\nU : Opens ↑X\ns t : (forget C)...
[ 468, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 456, 1 ]
Mathlib/Order/Hom/Lattice.lean
LatticeHom.dual_id
[]
[ 1528, 85 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1528, 9 ]
Mathlib/GroupTheory/Subgroup/Basic.lean
Subgroup.closure_le
[]
[ 1123, 52 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1122, 1 ]
Mathlib/Analysis/InnerProductSpace/EuclideanDist.lean
Euclidean.nhds_basis_closedBall
[ { "state_after": "E : Type u_1\ninst✝⁶ : AddCommGroup E\ninst✝⁵ : TopologicalSpace E\ninst✝⁴ : TopologicalAddGroup E\ninst✝³ : T2Space E\ninst✝² : Module ℝ E\ninst✝¹ : ContinuousSMul ℝ E\ninst✝ : FiniteDimensional ℝ E\nx : E\n⊢ Filter.HasBasis\n (Filter.comap (↑(ContinuousLinearEquiv.toHomeomorph toEuclidean...
[ 113, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 111, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Angle.lean
Real.Angle.toReal_pi
[ { "state_after": "⊢ -π < π ∧ π ≤ π", "state_before": "⊢ toReal ↑π = π", "tactic": "rw [toReal_coe_eq_self_iff]" }, { "state_after": "no goals", "state_before": "⊢ -π < π ∧ π ≤ π", "tactic": "exact ⟨Left.neg_lt_self Real.pi_pos, le_refl _⟩" } ]
[ 600, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 598, 1 ]
Mathlib/Analysis/Calculus/FDerivMeasurable.lean
FDerivMeasurableAux.differentiable_set_eq_d
[]
[ 371, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 369, 1 ]
Mathlib/RingTheory/PrincipalIdealDomain.lean
IsField.isPrincipalIdealRing
[]
[ 236, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 234, 1 ]
Mathlib/Data/FunLike/Equiv.lean
EquivLike.bijective_comp
[]
[ 193, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 192, 1 ]
Mathlib/Order/Directed.lean
directedOn_iff_directed
[ { "state_after": "α : Type u\nβ : Type v\nι : Sort w\nr r' s✝ : α → α → Prop\ns : Set α\n⊢ (∀ (x : α), x ∈ s → ∀ (y : α), y ∈ s → ∃ z, z ∈ s ∧ r x z ∧ r y z) ↔\n ∀ (a : α), a ∈ s → ∀ (a_1 : α), a_1 ∈ s → ∃ a_2, r a a_2 ∧ a_2 ∈ s ∧ r a_1 a_2", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nr r' s✝ :...
[ 60, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 59, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.prod_coe_sort_eq_attach
[]
[ 903, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 902, 1 ]
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
SimpleGraph.Walk.reverseAux_append
[ { "state_after": "no goals", "state_before": "V : Type u\nV' : Type v\nV'' : Type w\nG : SimpleGraph V\nG' : SimpleGraph V'\nG'' : SimpleGraph V''\nu v w x : V\np : Walk G u v\nq : Walk G u w\nr : Walk G w x\n⊢ append (Walk.reverseAux p q) r = Walk.reverseAux p (append q r)", "tactic": "induction p with...
[ 348, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 343, 11 ]
Mathlib/Data/Complex/Exponential.lean
Real.cosh_eq
[ { "state_after": "no goals", "state_before": "x✝ y x : ℝ\n⊢ cosh x * 2 = exp x + exp (-x)", "tactic": "rw [cosh, exp, exp, Complex.ofReal_neg, Complex.cosh, mul_two, ← Complex.add_re, ← mul_two,\n div_mul_cancel _ (two_ne_zero' ℂ), Complex.add_re]" } ]
[ 1361, 57 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1358, 1 ]
Mathlib/Data/List/Chain.lean
List.chain'_append
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nR r : α → α → Prop\nl✝ l₁ l₂ : List α\na b : α\nl : List α\n⊢ Chain' R ([] ++ l) ↔ Chain' R [] ∧ Chain' R l ∧ ∀ (x : α), x ∈ getLast? [] → ∀ (y : α), y ∈ head? l → R x y", "tactic": "simp" }, { "state_after": "no goals", "...
[ 293, 9 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 285, 1 ]
Mathlib/MeasureTheory/Function/L1Space.lean
MeasureTheory.HasFiniteIntegral.const_mul
[]
[ 419, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 417, 1 ]
Mathlib/Analysis/NormedSpace/OperatorNorm.lean
ContinuousLinearMap.norm_id
[ { "state_after": "𝕜 : Type u_2\n𝕜₂ : Type ?u.2599087\n𝕜₃ : Type ?u.2599090\nE : Type u_1\nEₗ : Type ?u.2599096\nF : Type ?u.2599099\nFₗ : Type ?u.2599102\nG : Type ?u.2599105\nGₗ : Type ?u.2599108\n𝓕 : Type ?u.2599111\ninst✝¹¹ : NormedAddCommGroup E\ninst✝¹⁰ : NormedAddCommGroup F\ninst✝⁹ : NormedAddCommGro...
[ 1480, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1477, 1 ]
Mathlib/RingTheory/Valuation/Basic.lean
AddValuation.map_le_sub
[]
[ 803, 31 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 802, 1 ]
Mathlib/Data/Set/Function.lean
Set.surjOn_iff_surjective
[]
[ 861, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 855, 1 ]
Mathlib/Algebra/Module/LinearMap.lean
LinearMap.smul_def
[]
[ 1134, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1133, 11 ]
Mathlib/Algebra/DirectSum/Decomposition.lean
DirectSum.decompose_of_mem
[]
[ 118, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 116, 1 ]
Mathlib/MeasureTheory/Measure/MeasureSpaceDef.lean
MeasureTheory.ae_eq_set_compl_compl
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.111469\nγ : Type ?u.111472\nδ : Type ?u.111475\nι : Type ?u.111478\ninst✝ : MeasurableSpace α\nμ μ₁ μ₂ : Measure α\ns✝ s₁ s₂ t✝ s t : Set α\n⊢ sᶜ =ᵐ[μ] tᶜ ↔ s =ᵐ[μ] t", "tactic": "simp only [← measure_symmDiff_eq_zero_iff, compl_sym...
[ 494, 67 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 493, 1 ]
Mathlib/Algebra/Order/Floor.lean
Int.lt_ceil
[]
[ 1108, 33 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1107, 1 ]
Mathlib/Topology/SubsetProperties.lean
IrreducibleSpace.isIrreducible_univ
[]
[ 1835, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1833, 1 ]
Mathlib/CategoryTheory/Subobject/Limits.lean
CategoryTheory.Limits.kernelSubobjectIsoComp_hom_arrow
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝⁴ : Category C\nX Y Z : C\ninst✝³ : HasZeroMorphisms C\nf✝ : X ⟶ Y\ninst✝² : HasKernel f✝\nX' : C\nf : X' ⟶ X\ninst✝¹ : IsIso f\ng : X ⟶ Y\ninst✝ : HasKernel g\n⊢ (kernelSubobjectIsoComp f g).hom ≫ arrow (kernelSubobject g) = arrow (kernelSubobj...
[ 217, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 214, 1 ]
Mathlib/GroupTheory/GroupAction/SubMulAction.lean
SetLike.val_smul
[]
[ 85, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 84, 11 ]
Mathlib/Analysis/InnerProductSpace/Orthogonal.lean
orthogonalFamily_iff_pairwise
[]
[ 423, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 418, 1 ]
Mathlib/Topology/SubsetProperties.lean
IsClosed.sigmaCompactSpace
[]
[ 1367, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1366, 1 ]
Mathlib/Order/ConditionallyCompleteLattice/Finset.lean
Finset.Nonempty.sup'_id_eq_cSup
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.5868\nγ : Type ?u.5871\ninst✝ : ConditionallyCompleteLattice α\ns✝ t : Set α\na b : α\ns : Finset α\nhs : Finset.Nonempty s\n⊢ sup' s hs id = sSup ↑s", "tactic": "rw [hs.sup'_eq_cSup_image, Set.image_id]" } ]
[ 35, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 34, 1 ]
Mathlib/Data/Real/NNReal.lean
NNReal.exists_mem_Ico_zpow
[]
[ 737, 44 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 735, 8 ]
Mathlib/Data/Part.lean
Part.bind_some
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.21510\na : α\nf : α → Part β\n⊢ ∀ (a_1 : β), a_1 ∈ Part.bind (some a) f ↔ a_1 ∈ f a", "tactic": "simp" } ]
[ 521, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 520, 1 ]
Mathlib/Topology/Support.lean
exists_compact_iff_hasCompactMulSupport
[ { "state_after": "no goals", "state_before": "X : Type ?u.9177\nα : Type u_1\nα' : Type ?u.9183\nβ : Type u_2\nγ : Type ?u.9189\nδ : Type ?u.9192\nM : Type ?u.9195\nE : Type ?u.9198\nR : Type ?u.9201\ninst✝⁵ : TopologicalSpace α\ninst✝⁴ : TopologicalSpace α'\ninst✝³ : One β\ninst✝² : One γ\ninst✝¹ : One δ\n...
[ 151, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 148, 1 ]
Mathlib/Data/Nat/Prime.lean
Nat.prime_iff
[]
[ 574, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 573, 1 ]
Mathlib/Tactic/Abel.lean
Mathlib.Tactic.Abel.unfold_smulg
[]
[ 258, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 257, 1 ]
Std/Data/PairingHeap.lean
Std.PairingHeapImp.Heap.size_deleteMin_lt
[ { "state_after": "no goals", "state_before": "α : Type u_1\nle : α → α → Bool\na : α\ns' s : Heap α\neq : deleteMin le s = some (a, s')\n⊢ size s' < size s", "tactic": "cases s with cases eq | node a c => simp_arith [size_combine, size]" }, { "state_after": "no goals", "state_before": "case ...
[ 157, 70 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 155, 1 ]
Mathlib/Topology/Algebra/Module/Basic.lean
ContinuousLinearMap.inverse_equiv
[ { "state_after": "R : Type u_1\nM : Type u_2\nM₂ : Type u_3\ninst✝⁶ : TopologicalSpace M\ninst✝⁵ : TopologicalSpace M₂\ninst✝⁴ : Semiring R\ninst✝³ : AddCommMonoid M₂\ninst✝² : Module R M₂\ninst✝¹ : AddCommMonoid M\ninst✝ : Module R M\ne : M ≃L[R] M₂\nh : ∃ e', ↑e' = ↑e\n⊢ inverse ↑e = ↑(ContinuousLinearEquiv.s...
[ 2501, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2497, 1 ]
Mathlib/Data/Part.lean
Part.some_inter_some
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.88117\nγ : Type ?u.88120\ninst✝ : Inter α\na b : α\n⊢ some a ∩ some b = some (a ∩ b)", "tactic": "simp [inter_def]" } ]
[ 840, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 839, 1 ]
Mathlib/Analysis/NormedSpace/BoundedLinearMaps.lean
ContinuousOn.clm_comp
[]
[ 540, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 537, 1 ]
Mathlib/AlgebraicGeometry/StructureSheaf.lean
AlgebraicGeometry.StructureSheaf.stalkToFiberRingHom_germ
[ { "state_after": "case mk\nR : Type u\ninst✝ : CommRing R\nU : Opens ↑(PrimeSpectrum.Top R)\ns : ↑((structureSheaf R).val.obj U.op)\nval✝ : ↑(PrimeSpectrum.Top R)\nproperty✝ : val✝ ∈ U\n⊢ ↑(stalkToFiberRingHom R ↑{ val := val✝, property := property✝ })\n (↑(germ (Sheaf.presheaf (structureSheaf R)) { val :=...
[ 555, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 552, 1 ]
Mathlib/Analysis/SpecialFunctions/Log/Deriv.lean
ContDiff.log
[]
[ 181, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 179, 1 ]
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
LocalHomeomorph.extend_coord_change_source_mem_nhdsWithin'
[ { "state_after": "case hx\n𝕜 : Type u_4\nE : Type u_3\nM : Type u_1\nH : Type u_2\nE' : Type ?u.173038\nM' : Type ?u.173041\nH' : Type ?u.173044\ninst✝⁸ : NontriviallyNormedField 𝕜\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\ninst✝⁵ : TopologicalSpace H\ninst✝⁴ : TopologicalSpace M\nf f' : Local...
[ 989, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 984, 1 ]
Mathlib/Analysis/Calculus/Conformal/NormedSpace.lean
ConformalAt.congr
[]
[ 101, 75 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 1 ]
Mathlib/Data/Nat/Basic.lean
Nat.two_mul_ne_two_mul_add_one
[ { "state_after": "no goals", "state_before": "m✝ n✝ k n m : ℕ\n⊢ ¬2 * n % 2 = (2 * m + 1) % 2", "tactic": "rw [add_comm, add_mul_mod_self_left, mul_mod_right, mod_eq_of_lt] <;> simp" } ]
[ 342, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 340, 1 ]
Mathlib/Data/Set/Lattice.lean
Set.sInter_eq_univ
[]
[ 1105, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1104, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.secondCountable_of_sigmaCompact
[ { "state_after": "α : Type u\nβ : Type v\nX : Type ?u.281110\ninst✝¹ : PseudoEMetricSpace α\nx y z : α\nε ε₁ ε₂ : ℝ≥0∞\ns t : Set α\ninst✝ : SigmaCompactSpace α\n⊢ SeparableSpace α", "state_before": "α : Type u\nβ : Type v\nX : Type ?u.281110\ninst✝¹ : PseudoEMetricSpace α\nx y z : α\nε ε₁ ε₂ : ℝ≥0∞\ns t : ...
[ 852, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 846, 1 ]
Mathlib/LinearAlgebra/QuadraticForm/Basic.lean
QuadraticForm.PosDef.smul
[]
[ 928, 98 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 927, 1 ]
Mathlib/AlgebraicTopology/FundamentalGroupoid/Basic.lean
Path.Homotopy.continuous_transReflReparamAux
[ { "state_after": "case refine'_5\nX : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nx₀ x₁ : X\n⊢ ∀ (x : ↑I), ↑x = 1 / 2 → 2 * ↑x = 1", "state_before": "X : Type u\nY : Type v\ninst✝¹ : TopologicalSpace X\ninst✝ : TopologicalSpace Y\nx₀ x₁ : X\n⊢ Continuous transReflReparamAux"...
[ 143, 12 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 138, 1 ]
Mathlib/Analysis/Calculus/BumpFunctionInner.lean
ContDiffBump.one_of_mem_closedBall
[ { "state_after": "case a\nE : Type u_1\nX : Type ?u.80093\ninst✝⁴ : NormedAddCommGroup E\ninst✝³ : NormedSpace ℝ E\ninst✝² : NormedAddCommGroup X\ninst✝¹ : NormedSpace ℝ X\ninst✝ : HasContDiffBump E\nc : E\nf : ContDiffBump c\nx : E\nn : ℕ∞\nhx : x ∈ closedBall c f.rIn\n⊢ ‖(fun x => f.rIn⁻¹ • (x - c)) x‖ ≤ 1", ...
[ 388, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 385, 1 ]
Mathlib/Data/Int/Cast/Basic.lean
Nat.cast_sub
[ { "state_after": "no goals", "state_before": "R : Type u\ninst✝ : AddGroupWithOne R\nm n : ℕ\nh : m ≤ n\n⊢ ↑(n - m) + ↑m = ↑n", "tactic": "rw [← cast_add, Nat.sub_add_cancel h]" } ]
[ 36, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 35, 1 ]
Std/Data/Int/DivMod.lean
Int.mod_def'
[]
[ 233, 55 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 233, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.tail_drop'
[ { "state_after": "case a\nα : Type u\nβ : Type v\nδ : Type w\ni : ℕ\ns : Stream' α\nn✝ : ℕ\n⊢ nth (tail (drop i s)) n✝ = nth (drop (i + 1) s) n✝", "state_before": "α : Type u\nβ : Type v\nδ : Type w\ni : ℕ\ns : Stream' α\n⊢ tail (drop i s) = drop (i + 1) s", "tactic": "ext" }, { "state_after": "...
[ 74, 49 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 73, 9 ]
Mathlib/MeasureTheory/Covering/Differentiation.lean
VitaliFamily.ae_tendsto_div
[ { "state_after": "case intro.intro.intro.intro\nα : Type u_1\ninst✝⁵ : MetricSpace α\nm0 : MeasurableSpace α\nμ : MeasureTheory.Measure α\nv : VitaliFamily μ\nE : Type ?u.2032110\ninst✝⁴ : NormedAddCommGroup E\ninst✝³ : SecondCountableTopology α\ninst✝² : BorelSpace α\ninst✝¹ : IsLocallyFiniteMeasure μ\nρ : Mea...
[ 267, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 240, 1 ]
Mathlib/Data/Set/Finite.lean
Set.Finite.toFinset_insert'
[]
[ 1066, 27 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1064, 1 ]
Mathlib/Data/Fintype/Option.lean
Fintype.induction_empty_option
[ { "state_after": "case mk\nα✝ : Type ?u.7602\nβ : Type ?u.7605\nγ : Type ?u.7608\nP : (α : Type u) → [inst : Fintype α] → Prop\nof_equiv : ∀ (α β : Type u) [inst : Fintype β] (e : α ≃ β), P α → P β\nh_empty : P PEmpty\nh_option : ∀ (α : Type u) [inst : Fintype α], P α → P (Option α)\nα : Type u\nh_fintype : Fin...
[ 107, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 95, 1 ]
Mathlib/Algebra/LinearRecurrence.lean
LinearRecurrence.geom_sol_iff_root_charPoly
[ { "state_after": "α : Type u_1\ninst✝ : CommRing α\nE : LinearRecurrence α\nq : α\n⊢ (IsSolution E fun n => q ^ n) ↔\n eval₂ (RingHom.id α) q (↑(monomial E.order) 1 - ∑ i : Fin E.order, ↑(monomial ↑i) (coeffs E i)) = 0", "state_before": "α : Type u_1\ninst✝ : CommRing α\nE : LinearRecurrence α\nq : α\n⊢ ...
[ 230, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 220, 1 ]
Mathlib/Analysis/Convex/Hull.lean
convexHull_univ
[]
[ 94, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 93, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.radical_idem
[]
[ 890, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 889, 1 ]
Mathlib/CategoryTheory/Bicategory/Basic.lean
CategoryTheory.Bicategory.leftUnitor_inv_naturality
[ { "state_after": "no goals", "state_before": "B : Type u\ninst✝ : Bicategory B\na b c d e : B\nf g : a ⟶ b\nη : f ⟶ g\n⊢ η ≫ (λ_ g).inv = (λ_ f).inv ≫ 𝟙 a ◁ η", "tactic": "simp" } ]
[ 396, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 395, 1 ]
Mathlib/Algebra/GCDMonoid/Basic.lean
gcd_one_right
[]
[ 417, 97 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 416, 1 ]
Mathlib/FieldTheory/IntermediateField.lean
IntermediateField.restrictScalars_toSubalgebra
[]
[ 641, 28 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 639, 1 ]
Mathlib/Algebra/CubicDiscriminant.lean
Cubic.monic_of_c_eq_one'
[]
[ 268, 32 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 267, 1 ]
Mathlib/Analysis/Normed/Group/HomCompletion.lean
NormedAddGroupHom.completion_neg
[]
[ 121, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Order/Lattice.lean
le_sup_right'
[]
[ 149, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 148, 1 ]
Mathlib/Topology/MetricSpace/EMetricSpace.lean
EMetric.diam_le
[]
[ 899, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 898, 1 ]
Mathlib/Combinatorics/SetFamily/Compression/UV.lean
UV.mem_compression
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : GeneralizedBooleanAlgebra α\ninst✝¹ : DecidableRel Disjoint\ninst✝ : DecidableRel fun x x_1 => x ≤ x_1\ns : Finset α\nu v a b : α\n⊢ a ∈ 𝓒 u v s ↔ a ∈ s ∧ compress u v a ∈ s ∨ ¬a ∈ s ∧ ∃ b, b ∈ s ∧ compress u v b = a", "tactic": "simp...
[ 122, 65 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 119, 1 ]
Mathlib/Order/CompleteBooleanAlgebra.lean
iSup₂_disjoint_iff
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nι : Sort w\nκ : ι → Sort u_1\ninst✝ : Frame α\ns t : Set α\na b : α\nf : (i : ι) → κ i → α\n⊢ Disjoint (⨆ (i : ι) (j : κ i), f i j) a ↔ ∀ (i : ι) (j : κ i), Disjoint (f i j) a", "tactic": "simp_rw [iSup_disjoint_iff]" } ]
[ 142, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 140, 1 ]
Mathlib/NumberTheory/BernoulliPolynomials.lean
Polynomial.bernoulli_def
[ { "state_after": "n : ℕ\n⊢ ∑ i in range (n + 1), ↑(monomial (n - i)) (_root_.bernoulli i * ↑(Nat.choose n i)) =\n ∑ j in range (n + 1), ↑(monomial (n - j)) (_root_.bernoulli (n - (n - j)) * ↑(Nat.choose n (n - j)))", "state_before": "n : ℕ\n⊢ bernoulli n = ∑ i in range (n + 1), ↑(monomial i) (_root_.bern...
[ 67, 80 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 62, 1 ]
Std/Data/List/Lemmas.lean
List.range_add
[ { "state_after": "a b : Nat\n⊢ range (a + b) = range a ++ range' a b", "state_before": "a b : Nat\n⊢ range (a + b) = range a ++ map (fun x => a + x) (range b)", "tactic": "rw [← range'_eq_map_range]" }, { "state_after": "no goals", "state_before": "a b : Nat\n⊢ range (a + b) = range a ++ ran...
[ 1930, 75 ]
e68aa8f5fe47aad78987df45f99094afbcb5e936
https://github.com/leanprover/std4
[ 1928, 1 ]
Mathlib/Data/Set/Basic.lean
Set.not_not_mem
[]
[ 431, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 430, 1 ]