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list
Mathlib/Combinatorics/SimpleGraph/Subgraph.lean
SimpleGraph.Subgraph.degree_eq_one_iff_unique_adj
[ { "state_after": "ι : Sort ?u.206794\nV : Type u\nW : Type v\nG : SimpleGraph V\nG₁ G₂ : Subgraph G\na b : V\nG' : Subgraph G\nv : V\ninst✝ : Fintype ↑(neighborSet G' v)\n⊢ (∃! a, a ∈ Set.toFinset (neighborSet G' v)) ↔ ∃! w, Adj G' v w", "state_before": "ι : Sort ?u.206794\nV : Type u\nW : Type v\nG : Simpl...
[ 835, 48 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 832, 1 ]
Mathlib/Order/UpperLower/Basic.lean
UpperSet.prod_mono_left
[]
[ 1607, 21 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1606, 1 ]
Mathlib/Analysis/SpecialFunctions/Polynomials.lean
Polynomial.div_tendsto_zero_of_degree_lt
[ { "state_after": "case pos\n𝕜 : Type u_1\ninst✝¹ : NormedLinearOrderedField 𝕜\nP Q : 𝕜[X]\ninst✝ : OrderTopology 𝕜\nhdeg : degree P < degree Q\nhP : P = 0\n⊢ Tendsto (fun x => eval x P / eval x Q) atTop (𝓝 0)\n\ncase neg\n𝕜 : Type u_1\ninst✝¹ : NormedLinearOrderedField 𝕜\nP Q : 𝕜[X]\ninst✝ : OrderTopolo...
[ 148, 11 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 140, 1 ]
Mathlib/SetTheory/Cardinal/Ordinal.lean
Cardinal.mk_compl_eq_mk_compl_finite_same
[]
[ 1190, 43 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1188, 1 ]
Mathlib/CategoryTheory/Monad/Adjunction.lean
CategoryTheory.Comonad.left_comparison
[]
[ 175, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 174, 1 ]
Mathlib/GroupTheory/OrderOfElement.lean
pow_ne_one_of_lt_orderOf'
[]
[ 209, 95 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 208, 1 ]
Mathlib/ModelTheory/Semantics.lean
FirstOrder.Language.Formula.realize_equivSentence
[ { "state_after": "no goals", "state_before": "L : Language\nL' : Language\nM : Type w\nN : Type ?u.259032\nP : Type ?u.259035\ninst✝⁴ : Structure L M\ninst✝³ : Structure L N\ninst✝² : Structure L P\nα : Type u'\nβ : Type v'\nn : ℕ\ninst✝¹ : Structure (L[[α]]) M\ninst✝ : LHom.IsExpansionOn (lhomWithConstants...
[ 751, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/Topology/MetricSpace/Isometry.lean
IsometryEquiv.preimage_closedBall
[ { "state_after": "no goals", "state_before": "ι : Type ?u.1110676\nα : Type u\nβ : Type v\nγ : Type w\ninst✝¹ : PseudoMetricSpace α\ninst✝ : PseudoMetricSpace β\nh✝ h : α ≃ᵢ β\nx : β\nr : ℝ\n⊢ ↑h ⁻¹' Metric.closedBall x r = Metric.closedBall (↑(IsometryEquiv.symm h) x) r", "tactic": "rw [← h.isometry.pr...
[ 624, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 622, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.filter_eq
[ { "state_after": "case inl\nα : Type ?u.409796\nβ : Type u_1\nγ : Type ?u.409802\np q : α → Prop\ninst✝³ : DecidablePred p\ninst✝² : DecidablePred q\ninst✝¹ : DecidableEq α\ninst✝ : DecidableEq β\ns : Finset β\nb : β\nh : b ∈ s\n⊢ filter (Eq b) s = {b}\n\ncase inr\nα : Type ?u.409796\nβ : Type u_1\nγ : Type ?u....
[ 2926, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2915, 1 ]
Mathlib/Init/Algebra/Order.lean
le_of_not_gt
[]
[ 333, 15 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 332, 1 ]
Mathlib/GroupTheory/Commutator.lean
conjugate_commutatorElement
[]
[ 71, 59 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 70, 1 ]
Mathlib/RingTheory/Valuation/Quotient.lean
AddValuation.self_le_supp_comap
[]
[ 122, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 120, 1 ]
Mathlib/GroupTheory/OrderOfElement.lean
vadd_eq_self_of_mem_zmultiples
[]
[ 623, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 621, 1 ]
Mathlib/Data/Multiset/Powerset.lean
Multiset.powersetLen_zero_right
[]
[ 251, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 250, 1 ]
Mathlib/Data/Finset/Fold.lean
Finset.fold_map
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_3\nγ : Type u_1\nop : β → β → β\nhc : IsCommutative β op\nha : IsAssociative β op\nf : α → β\nb : β\ns✝ : Finset α\na : α\ng : γ ↪ α\ns : Finset γ\n⊢ fold op b f (map g s) = fold op b (f ∘ ↑g) s", "tactic": "simp only [fold, map, Mul...
[ 68, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 67, 1 ]
Mathlib/MeasureTheory/Measure/Lebesgue/EqHaar.lean
MeasureTheory.Measure.add_haar_image_continuousLinearEquiv
[]
[ 318, 47 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 316, 1 ]
Mathlib/Algebra/Group/Conj.lean
ConjClasses.mk_eq_mk_iff_isConj
[]
[ 177, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 176, 1 ]
Mathlib/Algebra/GroupPower/Identities.lean
sq_add_sq_mul_sq_add_sq
[ { "state_after": "no goals", "state_before": "R : Type u_1\ninst✝ : CommRing R\na b x₁ x₂ x₃ x₄ x₅ x₆ x₇ x₈ y₁ y₂ y₃ y₄ y₅ y₆ y₇ y₈ n : R\n⊢ (x₁ ^ 2 + x₂ ^ 2) * (y₁ ^ 2 + y₂ ^ 2) = (x₁ * y₁ - x₂ * y₂) ^ 2 + (x₁ * y₂ + x₂ * y₁) ^ 2", "tactic": "ring" } ]
[ 29, 7 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 27, 1 ]
Mathlib/AlgebraicTopology/DoldKan/Decomposition.lean
AlgebraicTopology.DoldKan.MorphComponents.postComp_φ
[ { "state_after": "C : Type u_2\ninst✝¹ : Category C\ninst✝ : Preadditive C\nX X' : SimplicialObject C\nn : ℕ\nZ Z' : C\nf : MorphComponents X n Z\ng : X' ⟶ X\nh : Z ⟶ Z'\n⊢ HomologicalComplex.Hom.f PInfty (n + 1) ≫ { a := f.a ≫ h, b := fun i => b f i ≫ h }.a +\n ∑ i : Fin (n + 1),\n HomologicalCompl...
[ 139, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 137, 1 ]
Mathlib/Data/Stream/Init.lean
Stream'.interleave_eq
[ { "state_after": "α : Type u\nβ : Type v\nδ : Type w\ns₁ s₂ : Stream' α\nt : Stream' α := tail s₁ ⋈ tail s₂\n⊢ s₁ ⋈ s₂ = head s₁ :: head s₂ :: (tail s₁ ⋈ tail s₂)", "state_before": "α : Type u\nβ : Type v\nδ : Type w\ns₁ s₂ : Stream' α\n⊢ s₁ ⋈ s₂ = head s₁ :: head s₂ :: (tail s₁ ⋈ tail s₂)", "tactic": "...
[ 420, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 417, 1 ]
Mathlib/Algebra/MonoidAlgebra/Degree.lean
AddMonoidAlgebra.le_inf_support_multiset_prod
[ { "state_after": "case refine'_1\nR : Type u_3\nA : Type u_2\nT : Type u_1\nB : Type ?u.80864\nι : Type ?u.80867\ninst✝¹¹ : SemilatticeSup B\ninst✝¹⁰ : OrderBot B\ninst✝⁹ : SemilatticeInf T\ninst✝⁸ : OrderTop T\ninst✝⁷ : CommSemiring R\ninst✝⁶ : AddCommMonoid A\ninst✝⁵ : AddCommMonoid B\ninst✝⁴ : CovariantClass...
[ 159, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 152, 1 ]
Mathlib/Topology/ContinuousOn.lean
Continuous.if_const
[]
[ 1199, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1197, 1 ]
Mathlib/Data/Vector/Basic.lean
Vector.removeNth_val
[]
[ 534, 13 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 533, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.sdiff_union_erase_cancel
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.267553\nγ : Type ?u.267556\ninst✝ : DecidableEq α\ns t u v : Finset α\na b : α\nhts : t ⊆ s\nha : a ∈ t\n⊢ s \\ t ∪ erase t a = erase s a", "tactic": "simp_rw [erase_eq, sdiff_union_sdiff_cancel hts (singleton_subset_iff.2 ha)]" }...
[ 2299, 79 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2298, 1 ]
Mathlib/ModelTheory/Satisfiability.lean
FirstOrder.Language.Formula.sup_semanticallyEquivalent_not_inf_not
[]
[ 569, 60 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 567, 1 ]
Mathlib/Data/Nat/PartENat.lean
PartENat.find_get
[]
[ 782, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 781, 1 ]
Mathlib/MeasureTheory/Function/SimpleFunc.lean
MeasureTheory.SimpleFunc.pair_preimage_singleton
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type ?u.64507\ninst✝ : MeasurableSpace α\nf : α →ₛ β\ng : α →ₛ γ\nb : β\nc : γ\n⊢ ↑(pair f g) ⁻¹' {b} ×ˢ {c} = ↑f ⁻¹' {b} ∩ ↑g ⁻¹' {c}", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type u_3\nδ : Type ?u.64507\ninst✝ : MeasurableSpace α\nf ...
[ 429, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 426, 1 ]
Mathlib/Data/Seq/Computation.lean
Computation.empty_promises
[]
[ 444, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 444, 1 ]
Mathlib/Order/PartialSups.lean
iSup_le_iSup_of_partialSups_le_partialSups
[ { "state_after": "α : Type u_1\ninst✝ : CompleteLattice α\nf g : ℕ → α\nh : partialSups f ≤ partialSups g\n⊢ (⨆ (n : ℕ), ↑(partialSups f) n) ≤ ⨆ (n : ℕ), ↑(partialSups g) n", "state_before": "α : Type u_1\ninst✝ : CompleteLattice α\nf g : ℕ → α\nh : partialSups f ≤ partialSups g\n⊢ (⨆ (n : ℕ), f n) ≤ ⨆ (n :...
[ 188, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 185, 1 ]
Mathlib/Data/Finset/Powerset.lean
Finset.empty_mem_ssubsets
[ { "state_after": "α : Type u_1\ns✝ t : Finset α\ninst✝ : DecidableEq α\ns : Finset α\nh : Finset.Nonempty s\n⊢ ∅ ⊆ s ∧ ∅ ≠ s", "state_before": "α : Type u_1\ns✝ t : Finset α\ninst✝ : DecidableEq α\ns : Finset α\nh : Finset.Nonempty s\n⊢ ∅ ∈ ssubsets s", "tactic": "rw [mem_ssubsets, ssubset_iff_subset_ne...
[ 164, 42 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 162, 1 ]
Mathlib/Analysis/BoxIntegral/Partition/Basic.lean
BoxIntegral.Prepartition.not_mem_bot
[]
[ 173, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/GroupTheory/Subgroup/Pointwise.lean
Subgroup.closure_inv
[ { "state_after": "no goals", "state_before": "α : Type ?u.8596\nG : Type u_1\nA : Type ?u.8602\nS : Type ?u.8605\ninst✝¹ : Group G\ninst✝ : AddGroup A\ns✝ s : Set G\n⊢ closure s⁻¹ = closure s", "tactic": "simp only [← toSubmonoid_eq, closure_toSubmonoid, inv_inv, union_comm]" } ]
[ 93, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 92, 1 ]
Mathlib/Algebra/Module/Torsion.lean
Submodule.torsionBySet.mk_smul
[]
[ 565, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 563, 1 ]
Mathlib/Data/Real/NNReal.lean
NNReal.orderIsoIccZeroCoe_apply_coe_coe
[]
[ 462, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 460, 1 ]
Mathlib/Data/Finset/Basic.lean
Finset.pairwise_cons'
[ { "state_after": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.549294\ns : Finset α\na : α\nha : ¬a ∈ s\nr : β → β → Prop\nf : α → β\n⊢ Set.Pairwise (↑s) (r on f) →\n ((∀ (b : α), b ∈ s → a ≠ b → (r on f) a b ∧ (r on f) b a) ↔ ∀ (b : α), b ∈ s → r (f a) (f b) ∧ r (f b) (f a))", "state_before": "α : Type u_1\n...
[ 3745, 30 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 3735, 1 ]
Mathlib/RingTheory/PrincipalIdealDomain.lean
isCoprime_of_prime_dvd
[]
[ 423, 92 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 421, 1 ]
Mathlib/Algebra/Parity.lean
IsSquare.zpow
[ { "state_after": "case intro\nF : Type ?u.34433\nα : Type u_1\nβ : Type ?u.34439\nR : Type ?u.34442\ninst✝ : DivisionMonoid α\nn : ℤ\na : α\n⊢ IsSquare ((a * a) ^ n)", "state_before": "F : Type ?u.34433\nα : Type u_1\nβ : Type ?u.34439\nR : Type ?u.34442\ninst✝ : DivisionMonoid α\na : α\nn : ℤ\n⊢ IsSquare a...
[ 183, 45 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 181, 1 ]
Mathlib/AlgebraicTopology/DoldKan/FunctorGamma.lean
AlgebraicTopology.DoldKan.Isδ₀.iff
[ { "state_after": "case mp\nC : Type ?u.1149\ninst✝¹ : Category C\ninst✝ : Preadditive C\nK K' : ChainComplex C ℕ\nf : K ⟶ K'\nΔ Δ' Δ'' : SimplexCategory\nj : ℕ\ni : Fin (j + 2)\n⊢ Isδ₀ (SimplexCategory.δ i) → i = 0\n\ncase mpr\nC : Type ?u.1149\ninst✝¹ : Category C\ninst✝ : Preadditive C\nK K' : ChainComplex C ...
[ 61, 69 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 55, 1 ]
Mathlib/Data/PNat/Interval.lean
PNat.Ioc_eq_finset_subtype
[]
[ 40, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 39, 1 ]
Mathlib/Topology/Bases.lean
exists_countable_dense_bot_top
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝² : TopologicalSpace α\ninst✝¹ : SeparableSpace α\ninst✝ : PartialOrder α\n⊢ ∃ s, Set.Countable s ∧ Dense s ∧ (∀ (x : α), IsBot x → x ∈ s) ∧ ∀ (x : α), IsTop x → x ∈ s", "tactic": "simpa using dense_univ.exists_countable_dense_subset_bot_t...
[ 542, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 539, 1 ]
Mathlib/Analysis/Calculus/ContDiffDef.lean
norm_iteratedFDeriv_fderiv
[ { "state_after": "no goals", "state_before": "𝕜 : Type u\ninst✝⁸ : NontriviallyNormedField 𝕜\nE : Type uE\ninst✝⁷ : NormedAddCommGroup E\ninst✝⁶ : NormedSpace 𝕜 E\nF : Type uF\ninst✝⁵ : NormedAddCommGroup F\ninst✝⁴ : NormedSpace 𝕜 F\nG : Type uG\ninst✝³ : NormedAddCommGroup G\ninst✝² : NormedSpace 𝕜 G\...
[ 1624, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1621, 1 ]
Mathlib/MeasureTheory/Function/StronglyMeasurable/Basic.lean
MeasureTheory.StronglyMeasurable.real_toNNReal
[]
[ 839, 54 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 837, 11 ]
Mathlib/LinearAlgebra/Prod.lean
LinearMap.prodMap_mul
[]
[ 352, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 350, 1 ]
Mathlib/Data/Nat/Prime.lean
Nat.prime_two
[ { "state_after": "no goals", "state_before": "⊢ Prime 2", "tactic": "decide" } ]
[ 172, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 172, 1 ]
Mathlib/Data/Fintype/Option.lean
Finite.induction_empty_option
[ { "state_after": "case intro\nα✝ : Type ?u.8615\nβ : Type ?u.8618\nγ : Type ?u.8621\nP : Type u → Prop\nof_equiv : ∀ {α β : Type u}, 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\ninst✝ : Finite α\nval✝ : Fintype α\n⊢ P α", "state_before"...
[ 120, 53 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Data/Polynomial/Basic.lean
Polynomial.sum_eq_of_subset
[ { "state_after": "R : Type u\na b : R\nm n✝ : ℕ\ninst✝¹ : Semiring R\np✝ q : R[X]\nS : Type u_1\ninst✝ : AddCommMonoid S\np : R[X]\nf : ℕ → R → S\nhf : ∀ (i : ℕ), f i 0 = 0\ns : Finset ℕ\nhs : support p ⊆ s\nn : ℕ\n_hn : n ∈ s\nh'n : ¬n ∈ support p\n⊢ f n (coeff p n) = 0", "state_before": "R : Type u\na b :...
[ 947, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 942, 1 ]
Mathlib/NumberTheory/Liouville/Basic.lean
Liouville.exists_pos_real_of_irrational_root
[ { "state_after": "α : ℝ\nha : Irrational α\nf : ℤ[X]\nf0 : f ≠ 0\nfR : ℝ[X] := map (algebraMap ℤ ℝ) f\nfa : eval α fR = 0\n⊢ ∃ A, 0 < A ∧ ∀ (a : ℤ) (b : ℕ), 1 ≤ (↑b + 1) ^ natDegree f * (abs (α - ↑a / (↑b + 1)) * A)", "state_before": "α : ℝ\nha : Irrational α\nf : ℤ[X]\nf0 : f ≠ 0\nfa : eval α (map (algebra...
[ 174, 50 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 124, 1 ]
Mathlib/Topology/Order.lean
continuous_iInf_dom
[]
[ 800, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 798, 1 ]
Mathlib/AlgebraicGeometry/Stalks.lean
AlgebraicGeometry.PresheafedSpace.restrictStalkIso_inv_eq_germ
[ { "state_after": "no goals", "state_before": "C : Type u\ninst✝¹ : Category C\ninst✝ : HasColimits C\nU : TopCat\nX : PresheafedSpace C\nf : U ⟶ ↑X\nh : OpenEmbedding ((CategoryTheory.forget TopCat).map f)\nV : Opens ↑U\nx : ↑U\nhx : x ∈ V\n⊢ germ X.presheaf\n { val := (CategoryTheory.forget TopCat)....
[ 100, 91 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 95, 1 ]
Mathlib/Topology/Separation.lean
isCompact_closure_of_subset_compact
[]
[ 1302, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1300, 1 ]
Mathlib/Topology/Order.lean
continuous_sInf_rng
[ { "state_after": "no goals", "state_before": "α : Type u\nβ : Type v\nγ : Type ?u.41516\nf : α → β\nι : Sort ?u.41523\nt₁ : TopologicalSpace α\nT : Set (TopologicalSpace β)\n⊢ Continuous f ↔ ∀ (t : TopologicalSpace β), t ∈ T → Continuous f", "tactic": "simp only [continuous_iff_coinduced_le, le_sInf_iff...
[ 795, 55 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 793, 1 ]
Mathlib/Order/LocallyFinite.lean
Ioi_toDual
[]
[ 940, 16 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 939, 1 ]
Mathlib/CategoryTheory/Pi/Basic.lean
CategoryTheory.Functor.pi_ext
[ { "state_after": "case h_map\nI : Type w₀\nJ : Type w₁\nC : I → Type u₁\ninst✝² : (i : I) → Category (C i)\nD : I → Type u₁\ninst✝¹ : (i : I) → Category (D i)\nA : Type u₁\ninst✝ : Category A\nf f' : A ⥤ ((i : I) → C i)\nh : ∀ (i : I), f ⋙ Pi.eval C i = f' ⋙ Pi.eval C i\n⊢ autoParam\n (∀ (X Y : A) (f_1 : X ⟶...
[ 277, 10 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 264, 1 ]
Mathlib/Data/Sum/Order.lean
OrderIso.sumLexAssoc_apply_inl_inl
[]
[ 660, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 658, 1 ]
Mathlib/MeasureTheory/Measure/OpenPos.lean
MeasureTheory.Measure.measure_Ioi_pos
[]
[ 136, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 135, 1 ]
Mathlib/Data/Multiset/Bind.lean
Multiset.bind_cons
[ { "state_after": "no goals", "state_before": "α : Type u_2\nβ : Type u_1\nγ : Type ?u.13993\nδ : Type ?u.13996\na : α\ns t : Multiset α\nf✝ g✝ : α → Multiset β\nf : α → β\ng : α → Multiset β\n⊢ (bind 0 fun a => f a ::ₘ g a) = map f 0 + bind 0 g", "tactic": "simp" }, { "state_after": "no goals", ...
[ 134, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 131, 1 ]
Mathlib/Topology/Algebra/InfiniteSum/Order.lean
le_tsum'
[]
[ 206, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 205, 1 ]
Mathlib/Algebra/Group/Commute.lean
Commute.inv_inv
[]
[ 306, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 305, 11 ]
Mathlib/Analysis/Normed/Group/AddTorsor.lean
dist_vadd_cancel_left
[]
[ 99, 18 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 98, 1 ]
Mathlib/Data/QPF/Multivariate/Constructions/Fix.lean
MvQPF.Fix.ind_aux
[ { "state_after": "n : ℕ\nF : TypeVec (n + 1) → Type u\ninst✝ : MvFunctor F\nq : MvQPF F\nα : TypeVec n\na : (P F).A\nf' : MvPFunctor.B (MvPFunctor.drop (P F)) a ⟹ α\nf : PFunctor.B (MvPFunctor.last (P F)) a → MvPFunctor.W (P F) α\nthis :\n mk (abs { fst := a, snd := MvPFunctor.appendContents (P F) f' fun x => ...
[ 258, 20 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 245, 1 ]
Mathlib/LinearAlgebra/Orientation.lean
Basis.orientation_comp_linearEquiv_eq_iff_det_pos
[ { "state_after": "no goals", "state_before": "R : Type u_2\ninst✝⁴ : LinearOrderedCommRing R\nM : Type u_3\ninst✝³ : AddCommGroup M\ninst✝² : Module R M\nι : Type u_1\ninst✝¹ : Fintype ι\ninst✝ : DecidableEq ι\ne : Basis ι R M\nf : M ≃ₗ[R] M\n⊢ Basis.orientation (Basis.map e f) = Basis.orientation e ↔ 0 < ↑...
[ 252, 25 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 249, 1 ]
Mathlib/CategoryTheory/Preadditive/Schur.lean
CategoryTheory.isIso_iff_nonzero
[ { "state_after": "C : Type u_2\ninst✝⁴ : Category C\ninst✝³ : Preadditive C\ninst✝² : HasKernels C\nX Y : C\ninst✝¹ : Simple X\ninst✝ : Simple Y\nf : X ⟶ Y\nI : IsIso f\nh : f = 0\n⊢ False", "state_before": "C : Type u_2\ninst✝⁴ : Category C\ninst✝³ : Preadditive C\ninst✝² : HasKernels C\nX Y : C\ninst✝¹ : ...
[ 61, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 56, 1 ]
Mathlib/Data/Set/Pointwise/Basic.lean
Set.image_div
[]
[ 1315, 36 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1314, 1 ]
Mathlib/RingTheory/Ideal/Operations.lean
Ideal.sup_mul_right_self
[]
[ 487, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 486, 1 ]
Mathlib/LinearAlgebra/Finsupp.lean
Finsupp.total_comapDomain
[ { "state_after": "α : Type u_3\nM : Type u_4\nN : Type ?u.454082\nP : Type ?u.454085\nR : Type u_2\nS : Type ?u.454091\ninst✝¹² : Semiring R\ninst✝¹¹ : Semiring S\ninst✝¹⁰ : AddCommMonoid M\ninst✝⁹ : Module R M\ninst✝⁸ : AddCommMonoid N\ninst✝⁷ : Module R N\ninst✝⁶ : AddCommMonoid P\ninst✝⁵ : Module R P\nα' : T...
[ 752, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 749, 1 ]
Mathlib/GroupTheory/Nilpotent.lean
upperCentralSeries_eq_top_iff_nilpotencyClass_le
[ { "state_after": "case mp\nG : Type u_1\ninst✝¹ : Group G\nH : Subgroup G\ninst✝ : Normal H\nhG : Group.IsNilpotent G\nn : ℕ\n⊢ upperCentralSeries G n = ⊤ → nilpotencyClass G ≤ n\n\ncase mpr\nG : Type u_1\ninst✝¹ : Group G\nH : Subgroup G\ninst✝ : Normal H\nhG : Group.IsNilpotent G\nn : ℕ\n⊢ nilpotencyClass G ≤...
[ 383, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 375, 1 ]
Mathlib/Order/Monotone/Basic.lean
StrictMonoOn.lt_iff_lt
[ { "state_after": "no goals", "state_before": "ι : Type ?u.27670\nα : Type u\nβ : Type v\nγ : Type w\nδ : Type ?u.27679\nπ : ι → Type ?u.27684\nr : α → α → Prop\ninst✝¹ : LinearOrder α\ninst✝ : Preorder β\nf : α → β\ns : Set α\nhf : StrictMonoOn f s\na b : α\nha : a ∈ s\nhb : b ∈ s\n⊢ f a < f b ↔ a < b", ...
[ 798, 82 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 796, 1 ]
Mathlib/Geometry/Euclidean/Basic.lean
EuclideanGeometry.orthogonalProjection_orthogonalProjection
[ { "state_after": "case a\nV : Type u_1\nP : Type u_2\ninst✝⁵ : NormedAddCommGroup V\ninst✝⁴ : InnerProductSpace ℝ V\ninst✝³ : MetricSpace P\ninst✝² : NormedAddTorsor V P\ns : AffineSubspace ℝ P\ninst✝¹ : Nonempty { x // x ∈ s }\ninst✝ : CompleteSpace { x // x ∈ direction s }\np : P\n⊢ ↑(↑(orthogonalProjection s...
[ 405, 35 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 400, 1 ]
Mathlib/Data/Set/Basic.lean
Set.subset_diff_union
[]
[ 1929, 39 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1928, 1 ]
Mathlib/GroupTheory/Submonoid/Pointwise.lean
Submonoid.smul_closure
[]
[ 262, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 261, 1 ]
Mathlib/Topology/Instances/RatLemmas.lean
Rat.not_firstCountableTopology_opc
[ { "state_after": "p q : ℚ\ns t : Set ℚ\na✝ : FirstCountableTopology ℚ∞\n⊢ False", "state_before": "p q : ℚ\ns t : Set ℚ\n⊢ ¬FirstCountableTopology ℚ∞", "tactic": "intro" }, { "state_after": "no goals", "state_before": "p q : ℚ\ns t : Set ℚ\na✝ : FirstCountableTopology ℚ∞\n⊢ False", "tact...
[ 77, 61 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 75, 1 ]
Mathlib/GroupTheory/Perm/Cycle/Basic.lean
Equiv.Perm.support_conj
[ { "state_after": "case a\nι : Type ?u.3038576\nα : Type u_1\nβ : Type ?u.3038582\ninst✝¹ : DecidableEq α\ninst✝ : Fintype α\nσ τ : Perm α\na✝ : α\n⊢ a✝ ∈ support (σ * τ * σ⁻¹) ↔ a✝ ∈ map (Equiv.toEmbedding σ) (support τ)", "state_before": "ι : Type ?u.3038576\nα : Type u_1\nβ : Type ?u.3038582\ninst✝¹ : Dec...
[ 1763, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1759, 1 ]
Mathlib/Order/Filter/Bases.lean
Filter.basis_sets
[]
[ 407, 40 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 406, 1 ]
Mathlib/Algebra/Star/StarAlgHom.lean
StarAlgHom.coe_toAlgHom
[]
[ 375, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 374, 1 ]
Mathlib/GroupTheory/FreeProduct.lean
FreeProduct.lift_word_prod_nontrivial_of_head_card
[ { "state_after": "case intro.intro\nι : Type u_1\nM : ι → Type ?u.798766\ninst✝⁴ : (i : ι) → Monoid (M i)\nN : Type ?u.798777\ninst✝³ : Monoid N\nhnontriv : Nontrivial ι\nG : Type u_3\ninst✝² : Group G\nH : ι → Type u_2\ninst✝¹ : (i : ι) → Group (H i)\nf : (i : ι) → H i →* G\nhcard✝ : 3 ≤ (#ι) ∨ ∃ i, 3 ≤ (#H i)...
[ 768, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 755, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.trim_mono
[]
[ 1630, 83 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1629, 1 ]
Mathlib/MeasureTheory/Lattice.lean
Measurable.sup'
[]
[ 144, 38 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 143, 1 ]
Mathlib/NumberTheory/ArithmeticFunction.lean
Nat.ArithmeticFunction.sigma_zero_apply
[ { "state_after": "no goals", "state_before": "R : Type ?u.524469\nn : ℕ\n⊢ ↑(σ 0) n = card (divisors n)", "tactic": "simp [sigma_apply]" } ]
[ 791, 86 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 791, 1 ]
Mathlib/Analysis/BoxIntegral/Basic.lean
BoxIntegral.Integrable.smul
[]
[ 357, 37 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 356, 1 ]
Mathlib/Data/Complex/Exponential.lean
Real.abs_cos_le_one
[ { "state_after": "no goals", "state_before": "x y : ℝ\n⊢ cos x * cos x ≤ 1", "tactic": "simp only [← sq, cos_sq_le_one]" } ]
[ 1263, 73 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1262, 1 ]
Mathlib/Order/Heyting/Regular.lean
Heyting.IsRegular.disjoint_compl_left_iff
[ { "state_after": "no goals", "state_before": "α : Type u_1\ninst✝ : HeytingAlgebra α\na b : α\nha : IsRegular a\n⊢ Disjoint (aᶜ) b ↔ b ≤ a", "tactic": "rw [← le_compl_iff_disjoint_left, ha.eq]" } ]
[ 82, 46 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 81, 11 ]
Mathlib/CategoryTheory/Limits/Shapes/Biproducts.lean
CategoryTheory.Limits.Bicone.π_of_isColimit
[ { "state_after": "J : Type w\nC : Type u\ninst✝¹ : Category C\ninst✝ : HasZeroMorphisms C\nF f : J → C\nt : Bicone f\nht : IsColimit (toCocone t)\nj : J\nj' : Discrete J\n⊢ (toCocone t).ι.app j' ≫ π t j = (Cofan.mk (f j) fun j' => if h : j' = j then eqToHom (_ : f j' = f j) else 0).ι.app j'", "state_before"...
[ 172, 17 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 168, 1 ]
Mathlib/Dynamics/Ergodic/MeasurePreserving.lean
MeasureTheory.MeasurePreserving.symm
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type u_2\nγ : Type ?u.1189\nδ : Type ?u.1192\ninst✝³ : MeasurableSpace α\ninst✝² : MeasurableSpace β\ninst✝¹ : MeasurableSpace γ\ninst✝ : MeasurableSpace δ\nμa✝ : Measure α\nμb✝ : Measure β\nμc : Measure γ\nμd : Measure δ\ne : α ≃ᵐ β\nμa : Meas...
[ 71, 87 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 68, 1 ]
Mathlib/Analysis/Calculus/FDeriv/Prod.lean
HasFDerivWithinAt.snd
[]
[ 274, 8 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 272, 18 ]
Mathlib/Algebra/Jordan/Basic.lean
commute_rmul_rmul_sq
[]
[ 163, 68 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 162, 1 ]
Mathlib/Data/Nat/Count.lean
Nat.count_succ'
[ { "state_after": "no goals", "state_before": "p : ℕ → Prop\ninst✝ : DecidablePred p\nn : ℕ\n⊢ count p (n + 1) = count (fun k => p (k + 1)) n + if p 0 then 1 else 0", "tactic": "rw [count_add', count_one]" } ]
[ 99, 29 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 97, 1 ]
Mathlib/Data/List/Perm.lean
List.perm_insert_swap
[ { "state_after": "case neg\nα : Type uu\nβ : Type vv\nl₁ l₂ : List α\ninst✝ : DecidableEq α\nx y : α\nl : List α\nxl : ¬x ∈ l\nyl : ¬y ∈ l\n⊢ List.insert x (y :: l) ~ List.insert y (x :: l)", "state_before": "α : Type uu\nβ : Type vv\nl₁ l₂ : List α\ninst✝ : DecidableEq α\nx y : α\nl : List α\n⊢ List.insert...
[ 973, 14 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 968, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.disjoint_add_left
[ { "state_after": "no goals", "state_before": "α : Type u_1\nβ : Type ?u.484252\nγ : Type ?u.484255\ns t u : Multiset α\n⊢ Disjoint (s + t) u ↔ Disjoint s u ∧ Disjoint t u", "tactic": "simp [Disjoint, or_imp, forall_and]" } ]
[ 2949, 41 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2948, 1 ]
Mathlib/Topology/LocalExtr.lean
IsLocalMinOn.comp_continuousOn
[]
[ 340, 63 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 335, 1 ]
Mathlib/Data/Multiset/Basic.lean
Multiset.filterMap_zero
[]
[ 2115, 6 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 2114, 1 ]
Mathlib/Data/Complex/Basic.lean
Complex.ofReal_div
[]
[ 796, 22 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 795, 1 ]
Mathlib/Algebra/ContinuedFractions/Computation/Translations.lean
GeneralizedContinuedFraction.IntFractPair.exists_succ_nth_stream_of_fr_zero
[ { "state_after": "case intro.intro.intro\nK : Type u_1\ninst✝¹ : LinearOrderedField K\ninst✝ : FloorRing K\nv : K\nn : ℕ\nifp_n : IntFractPair K\nseq_nth_eq : IntFractPair.stream v n = some ifp_n\nleft✝ : ifp_n.fr ≠ 0\nstream_succ_nth_eq : IntFractPair.stream v (n + 1) = some (IntFractPair.of ifp_n.fr⁻¹)\nsucc_...
[ 124, 81 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 115, 1 ]
Mathlib/Data/Real/CauSeq.lean
CauSeq.add_pos
[]
[ 682, 24 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 677, 1 ]
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
Complex.tan_periodic
[ { "state_after": "no goals", "state_before": "⊢ Function.Periodic tan ↑π", "tactic": "simpa only [tan_eq_sin_div_cos] using sin_antiperiodic.div cos_antiperiodic" } ]
[ 1299, 78 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1298, 1 ]
Mathlib/Order/Antichain.lean
IsAntichain.image_relEmbedding
[ { "state_after": "α : Type u_1\nβ : Type u_2\nr r₁ r₂ : α → α → Prop\nr' : β → β → Prop\ns t : Set α\na b✝ : α\nhs : IsAntichain r s\nφ : r ↪r r'\nb : β\nhb : b ∈ ↑φ '' s\nb' : β\nhb' : b' ∈ ↑φ '' s\nh₁ : b ≠ b'\nh₂ : r' b b'\n⊢ False", "state_before": "α : Type u_1\nβ : Type u_2\nr r₁ r₂ : α → α → Prop\nr'...
[ 127, 74 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 123, 1 ]
Mathlib/Algebra/BigOperators/Basic.lean
Finset.card_sigma
[]
[ 1855, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 1853, 1 ]
Mathlib/MeasureTheory/Measure/OuterMeasure.lean
MeasureTheory.OuterMeasure.isCaratheodory_iff_le'
[]
[ 950, 89 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 948, 1 ]
Mathlib/Deprecated/Subring.lean
Ring.closure.isSubring
[]
[ 184, 84 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 171, 1 ]
Mathlib/Data/PNat/Xgcd.lean
PNat.gcd_rel_left'
[]
[ 535, 26 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 534, 1 ]
Mathlib/Order/Filter/AtTopBot.lean
Filter.high_scores
[ { "state_after": "ι : Type ?u.70456\nι' : Type ?u.70459\nα : Type ?u.70462\nβ : Type u_1\nγ : Type ?u.70468\ninst✝¹ : LinearOrder β\ninst✝ : NoMaxOrder β\nu : ℕ → β\nhu : Tendsto u atTop atTop\nN : ℕ\n⊢ ∃ n, n ≥ N ∧ ∀ (k : ℕ), k < n → u k < u n", "state_before": "ι : Type ?u.70456\nι' : Type ?u.70459\nα : T...
[ 561, 19 ]
5a919533f110b7d76410134a237ee374f24eaaad
https://github.com/leanprover-community/mathlib4
[ 542, 1 ]