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import Mathlib.Data.PFunctor.Univariate.M #align_import data.qpf.univariate.basic from "leanprover-community/mathlib"@"14b69e9f3c16630440a2cbd46f1ddad0d561dee7" universe u class QPF (F : Type u → Type u) [Functor F] where P : PFunctor.{u} abs : ∀ {α}, P α → F α repr : ∀ {α}, F α → P α abs_repr : ∀ {α} (...
Mathlib/Data/QPF/Univariate/Basic.lean
101
114
theorem liftp_iff {α : Type u} (p : α → Prop) (x : F α) : Liftp p x ↔ ∃ a f, x = abs ⟨a, f⟩ ∧ ∀ i, p (f i) := by
constructor · rintro ⟨y, hy⟩ cases' h : repr y with a f use a, fun i => (f i).val constructor · rw [← hy, ← abs_repr y, h, ← abs_map] rfl intro i apply (f i).property rintro ⟨a, f, h₀, h₁⟩ use abs ⟨a, fun i => ⟨f i, h₁ i⟩⟩ rw [← abs_map, h₀]; rfl
12
162,754.791419
2
1.571429
7
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import Mathlib.FieldTheory.RatFunc.Defs import Mathlib.RingTheory.EuclideanDomain import Mathlib.RingTheory.Localization.FractionRing import Mathlib.RingTheory.Polynomial.Content #align_import field_theory.ratfunc from "leanprover-community/mathlib"@"bf9bbbcf0c1c1ead18280b0d010e417b10abb1b6" universe u v noncompu...
Mathlib/FieldTheory/RatFunc/Basic.lean
177
179
theorem ofFractionRing_inv (p : FractionRing K[X]) : ofFractionRing p⁻¹ = (ofFractionRing p)⁻¹ := by
simp only [Inv.inv, RatFunc.inv]
1
2.718282
0
0.416667
12
404
import Mathlib.Order.ConditionallyCompleteLattice.Basic import Mathlib.Data.Set.Finite #align_import order.conditionally_complete_lattice.finset from "leanprover-community/mathlib"@"2445c98ae4b87eabebdde552593519b9b6dc350c" open Set variable {ι α β γ : Type*} section ConditionallyCompleteLinearOrder variable [...
Mathlib/Order/ConditionallyCompleteLattice/Finset.lean
33
35
theorem Finset.Nonempty.csSup_mem {s : Finset α} (h : s.Nonempty) : sSup (s : Set α) ∈ s := by
rw [h.csSup_eq_max'] exact s.max'_mem _
2
7.389056
1
0.666667
3
592
import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.Hom.Set #align_import data.set.intervals.order_iso from "leanprover-community/mathlib"@"d012cd09a9b256d870751284dd6a29882b0be105" open Set namespace OrderIso section Preorder variable {α β : Type*} [Preorder α] [Preorder β] @[simp] theorem preimage_I...
Mathlib/Order/Interval/Set/OrderIso.lean
93
94
theorem image_Ioc (e : α ≃o β) (a b : α) : e '' Ioc a b = Ioc (e a) (e b) := by
rw [e.image_eq_preimage, e.symm.preimage_Ioc, e.symm_symm]
1
2.718282
0
0.285714
14
310
import Mathlib.Geometry.Manifold.MFDeriv.SpecificFunctions noncomputable section open scoped Manifold open Bundle Set Topology variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace H] (I : ModelWithCorners 𝕜 E H) {M : Type*} [To...
Mathlib/Geometry/Manifold/MFDeriv/Atlas.lean
89
106
theorem mdifferentiableAt_atlas (h : e ∈ atlas H M) {x : M} (hx : x ∈ e.source) : MDifferentiableAt I I e x := by
rw [mdifferentiableAt_iff] refine ⟨(e.continuousOn x hx).continuousAt (e.open_source.mem_nhds hx), ?_⟩ have mem : I ((chartAt H x : M → H) x) ∈ I.symm ⁻¹' ((chartAt H x).symm ≫ₕ e).source ∩ range I := by simp only [hx, mfld_simps] have : (chartAt H x).symm.trans e ∈ contDiffGroupoid ∞ I := HasGroup...
16
8,886,110.520508
2
2
6
2,362
import Batteries.Classes.Order namespace Batteries.PairingHeapImp inductive Heap (α : Type u) where | nil : Heap α | node (a : α) (child sibling : Heap α) : Heap α deriving Repr def Heap.size : Heap α → Nat | .nil => 0 | .node _ c s => c.size + 1 + s.size def Heap.singleton (a : α) : Heap α := ....
.lake/packages/batteries/Batteries/Data/PairingHeap.lean
90
93
theorem Heap.noSibling_merge (le) (s₁ s₂ : Heap α) : (s₁.merge le s₂).NoSibling := by
unfold merge (split <;> try split) <;> constructor
2
7.389056
1
1
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899
import Mathlib.Algebra.Algebra.Quasispectrum import Mathlib.FieldTheory.IsAlgClosed.Spectrum import Mathlib.Analysis.Complex.Liouville import Mathlib.Analysis.Complex.Polynomial import Mathlib.Analysis.Analytic.RadiusLiminf import Mathlib.Topology.Algebra.Module.CharacterSpace import Mathlib.Analysis.NormedSpace.Expon...
Mathlib/Analysis/NormedSpace/Spectrum.lean
176
178
theorem spectralRadius_le_nnnorm [NormOneClass A] (a : A) : spectralRadius 𝕜 a ≤ ‖a‖₊ := by
refine iSup₂_le fun k hk => ?_ exact mod_cast norm_le_norm_of_mem hk
2
7.389056
1
1
4
1,004
import Mathlib.Algebra.MvPolynomial.Basic import Mathlib.Data.Finset.PiAntidiagonal import Mathlib.LinearAlgebra.StdBasis import Mathlib.Tactic.Linarith #align_import ring_theory.power_series.basic from "leanprover-community/mathlib"@"2d5739b61641ee4e7e53eca5688a08f66f2e6a60" noncomputable section open Finset (...
Mathlib/RingTheory/MvPowerSeries/Basic.lean
144
147
theorem coeff_monomial_same (n : σ →₀ ℕ) (a : R) : coeff R n (monomial R n a) = a := by
classical rw [monomial_def] exact LinearMap.stdBasis_same R (fun _ ↦ R) n a
3
20.085537
1
1.25
4
1,333
import Mathlib.Geometry.RingedSpace.PresheafedSpace.Gluing import Mathlib.AlgebraicGeometry.OpenImmersion #align_import algebraic_geometry.gluing from "leanprover-community/mathlib"@"533f62f4dd62a5aad24a04326e6e787c8f7e98b1" set_option linter.uppercaseLean3 false noncomputable section universe u open Topologica...
Mathlib/AlgebraicGeometry/Gluing.lean
296
298
theorem gluedCoverT'_fst_fst (x y z : 𝒰.J) : 𝒰.gluedCoverT' x y z ≫ pullback.fst ≫ pullback.fst = pullback.fst ≫ pullback.snd := by
delta gluedCoverT'; simp
1
2.718282
0
0.142857
7
256
import Mathlib.Data.ZMod.Basic import Mathlib.GroupTheory.Exponent #align_import group_theory.specific_groups.dihedral from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" inductive DihedralGroup (n : ℕ) : Type | r : ZMod n → DihedralGroup n | sr : ZMod n → DihedralGroup n derivin...
Mathlib/GroupTheory/SpecificGroups/Dihedral.lean
170
184
theorem orderOf_r_one : orderOf (r 1 : DihedralGroup n) = n := by
rcases eq_zero_or_neZero n with (rfl | hn) · rw [orderOf_eq_zero_iff'] intro n hn rw [r_one_pow, one_def] apply mt r.inj simpa using hn.ne' · apply (Nat.le_of_dvd (NeZero.pos n) <| orderOf_dvd_of_pow_eq_one <| @r_one_pow_n n).lt_or_eq.resolve_left intro h have h1 : (r 1 : DihedralGr...
14
1,202,604.284165
2
1.125
8
1,206
import Mathlib.Geometry.Manifold.ContMDiff.Product import Mathlib.Analysis.NormedSpace.OperatorNorm.Prod open Set ChartedSpace SmoothManifoldWithCorners open scoped Topology Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [Norme...
Mathlib/Geometry/Manifold/ContMDiff/NormedSpace.lean
81
82
theorem contMDiff_iff_contDiff {f : E → E'} : ContMDiff 𝓘(𝕜, E) 𝓘(𝕜, E') n f ↔ ContDiff 𝕜 n f := by
rw [← contDiffOn_univ, ← contMDiffOn_univ, contMDiffOn_iff_contDiffOn]
1
2.718282
0
0.333333
3
329
import Mathlib.CategoryTheory.NatTrans import Mathlib.CategoryTheory.Iso #align_import category_theory.functor.category from "leanprover-community/mathlib"@"63721b2c3eba6c325ecf8ae8cca27155a4f6306f" namespace CategoryTheory -- declare the `v`'s first; see note [CategoryTheory universes]. universe v₁ v₂ v₃ u₁ u₂ u...
Mathlib/CategoryTheory/Functor/Category.lean
132
134
theorem exchange {I J K : D ⥤ E} (α : F ⟶ G) (β : G ⟶ H) (γ : I ⟶ J) (δ : J ⟶ K) : (α ≫ β) ◫ (γ ≫ δ) = (α ◫ γ) ≫ β ◫ δ := by
aesop_cat
1
2.718282
0
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163
import Mathlib.Algebra.CharP.Quotient import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Data.Finsupp.Fintype import Mathlib.Data.Int.AbsoluteValue import Mathlib.Data.Int.Associated import Mathlib.LinearAlgebra.FreeModule.Determinant import Mathlib.LinearAlgebra.FreeModule.IdealQuotient import Mathli...
Mathlib/RingTheory/Ideal/Norm.lean
70
74
theorem cardQuot_apply (S : Submodule R M) [h : Fintype (M ⧸ S)] : cardQuot S = Fintype.card (M ⧸ S) := by
-- Porting note: original proof was AddSubgroup.index_eq_card _ suffices Fintype (M ⧸ S.toAddSubgroup) by convert AddSubgroup.index_eq_card S.toAddSubgroup convert h
3
20.085537
1
1
1
1,038
import Mathlib.Analysis.Calculus.LineDeriv.Measurable import Mathlib.Analysis.NormedSpace.FiniteDimension import Mathlib.MeasureTheory.Measure.Lebesgue.EqHaar import Mathlib.Analysis.BoundedVariation import Mathlib.MeasureTheory.Group.Integral import Mathlib.Analysis.Distribution.AEEqOfIntegralContDiff import Mathlib....
Mathlib/Analysis/Calculus/Rademacher.lean
63
77
theorem ae_lineDifferentiableAt (hf : LipschitzWith C f) (v : E) : ∀ᵐ p ∂μ, LineDifferentiableAt ℝ f p v := by
let L : ℝ →L[ℝ] E := ContinuousLinearMap.smulRight (1 : ℝ →L[ℝ] ℝ) v suffices A : ∀ p, ∀ᵐ (t : ℝ) ∂volume, LineDifferentiableAt ℝ f (p + t • v) v from ae_mem_of_ae_add_linearMap_mem L.toLinearMap volume μ (measurableSet_lineDifferentiableAt hf.continuous) A intro p have : ∀ᵐ (s : ℝ), DifferentiableAt...
13
442,413.392009
2
2
3
2,148
import Mathlib.Analysis.Normed.Field.Basic import Mathlib.LinearAlgebra.SesquilinearForm import Mathlib.Topology.Algebra.Module.WeakDual #align_import analysis.locally_convex.polar from "leanprover-community/mathlib"@"bcfa726826abd57587355b4b5b7e78ad6527b7e4" variable {𝕜 E F : Type*} open Topology namespace Li...
Mathlib/Analysis/LocallyConvex/Polar.lean
123
127
theorem polar_weak_closed (s : Set E) : IsClosed[WeakBilin.instTopologicalSpace B.flip] (B.polar s) := by
rw [polar_eq_iInter] refine isClosed_iInter fun x => isClosed_iInter fun _ => ?_ exact isClosed_le (WeakBilin.eval_continuous B.flip x).norm continuous_const
3
20.085537
1
1
3
840
import Mathlib.Algebra.Polynomial.RingDivision import Mathlib.RingTheory.Localization.FractionRing #align_import data.polynomial.ring_division from "leanprover-community/mathlib"@"8efcf8022aac8e01df8d302dcebdbc25d6a886c8" noncomputable section namespace Polynomial universe u v w z variable {R : Type u} {S : Ty...
Mathlib/Algebra/Polynomial/Roots.lean
69
73
theorem card_roots (hp0 : p ≠ 0) : (Multiset.card (roots p) : WithBot ℕ) ≤ degree p := by
classical unfold roots rw [dif_neg hp0] exact (Classical.choose_spec (exists_multiset_roots hp0)).1
4
54.59815
2
1.285714
7
1,352
import Mathlib.Analysis.Normed.Group.Hom import Mathlib.Analysis.NormedSpace.Basic import Mathlib.Analysis.NormedSpace.LinearIsometry import Mathlib.Algebra.Star.SelfAdjoint import Mathlib.Algebra.Star.Subalgebra import Mathlib.Algebra.Star.Unitary import Mathlib.Topology.Algebra.Module.Star #align_import analysis.no...
Mathlib/Analysis/NormedSpace/Star/Basic.lean
212
214
theorem norm_coe_unitary [Nontrivial E] (U : unitary E) : ‖(U : E)‖ = 1 := by
rw [← sq_eq_sq (norm_nonneg _) zero_le_one, one_pow 2, sq, ← CstarRing.norm_star_mul_self, unitary.coe_star_mul_self, CstarRing.norm_one]
2
7.389056
1
0.5
8
473
import Mathlib.Data.PFunctor.Univariate.Basic #align_import data.pfunctor.univariate.M from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" universe u v w open Nat Function open List variable (F : PFunctor.{u}) -- Porting note: the ♯ tactic is never used -- local prefix:0 "♯" => cast...
Mathlib/Data/PFunctor/Univariate/M.lean
86
86
theorem agree_trival {x : CofixA F 0} {y : CofixA F 1} : Agree x y := by
constructor
1
2.718282
0
1.166667
6
1,239
import Mathlib.Topology.Connected.Basic import Mathlib.Topology.Separation open scoped Topology variable {X Y A} [TopologicalSpace X] [TopologicalSpace A] theorem embedding_toPullbackDiag (f : X → Y) : Embedding (toPullbackDiag f) := Embedding.mk' _ (injective_toPullbackDiag f) fun x ↦ by rw [toPullbackDiag,...
Mathlib/Topology/SeparatedMap.lean
89
92
theorem isSeparatedMap_iff_closedEmbedding {f : X → Y} : IsSeparatedMap f ↔ ClosedEmbedding (toPullbackDiag f) := by
rw [isSeparatedMap_iff_isClosed_diagonal, ← range_toPullbackDiag] exact ⟨fun h ↦ ⟨embedding_toPullbackDiag f, h⟩, fun h ↦ h.isClosed_range⟩
2
7.389056
1
1.5
4
1,617
import Batteries.Data.List.Count import Batteries.Data.Fin.Lemmas open Nat Function namespace List theorem rel_of_pairwise_cons (p : (a :: l).Pairwise R) : ∀ {a'}, a' ∈ l → R a a' := (pairwise_cons.1 p).1 _ theorem Pairwise.of_cons (p : (a :: l).Pairwise R) : Pairwise R l := (pairwise_cons.1 p).2 theorem...
.lake/packages/batteries/Batteries/Data/List/Pairwise.lean
80
81
theorem pairwise_of_forall {l : List α} (H : ∀ x y, R x y) : Pairwise R l := by
induction l <;> simp [*]
1
2.718282
0
1
8
814
import Mathlib.Analysis.Calculus.Deriv.Comp import Mathlib.Analysis.Calculus.Deriv.Add import Mathlib.Analysis.Calculus.Deriv.Mul import Mathlib.Analysis.Calculus.Deriv.Slope noncomputable section open scoped Topology Filter ENNReal NNReal open Filter Asymptotics Set variable {𝕜 : Type*} [NontriviallyNormedFiel...
Mathlib/Analysis/Calculus/LineDeriv/Basic.lean
160
163
theorem lineDifferentiableWithinAt_univ : LineDifferentiableWithinAt 𝕜 f univ x v ↔ LineDifferentiableAt 𝕜 f x v := by
simp only [LineDifferentiableWithinAt, LineDifferentiableAt, preimage_univ, differentiableWithinAt_univ]
2
7.389056
1
0.333333
3
359
import Mathlib.Data.Part import Mathlib.Data.Rel #align_import data.pfun from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" open Function def PFun (α β : Type*) := α → Part β #align pfun PFun infixr:25 " →. " => PFun namespace PFun variable {α β γ δ ε ι : Type*} instance inhab...
Mathlib/Data/PFun.lean
180
181
theorem mem_restrict {f : α →. β} {s : Set α} (h : s ⊆ f.Dom) (a : α) (b : β) : b ∈ f.restrict h a ↔ a ∈ s ∧ b ∈ f a := by
simp [restrict]
1
2.718282
0
0
3
131
import Mathlib.Analysis.InnerProductSpace.Projection import Mathlib.Analysis.NormedSpace.Dual import Mathlib.Analysis.NormedSpace.Star.Basic #align_import analysis.inner_product_space.dual from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" noncomputable section open scoped Classical o...
Mathlib/Analysis/InnerProductSpace/Dual.lean
94
99
theorem ext_inner_right_basis {ι : Type*} {x y : E} (b : Basis ι 𝕜 E) (h : ∀ i : ι, ⟪x, b i⟫ = ⟪y, b i⟫) : x = y := by
refine ext_inner_left_basis b fun i => ?_ rw [← inner_conj_symm] conv_rhs => rw [← inner_conj_symm] exact congr_arg conj (h i)
4
54.59815
2
1.666667
3
1,798
import Mathlib.Algebra.BigOperators.Fin import Mathlib.LinearAlgebra.Finsupp import Mathlib.LinearAlgebra.Prod import Mathlib.SetTheory.Cardinal.Basic import Mathlib.Tactic.FinCases import Mathlib.Tactic.LinearCombination import Mathlib.Lean.Expr.ExtraRecognizers import Mathlib.Data.Set.Subsingleton #align_import lin...
Mathlib/LinearAlgebra/LinearIndependent.lean
167
171
theorem not_linearIndependent_iff : ¬LinearIndependent R v ↔ ∃ s : Finset ι, ∃ g : ι → R, ∑ i ∈ s, g i • v i = 0 ∧ ∃ i ∈ s, g i ≠ 0 := by
rw [linearIndependent_iff'] simp only [exists_prop, not_forall]
2
7.389056
1
1
7
908
import Mathlib.Analysis.InnerProductSpace.Adjoint import Mathlib.Topology.Algebra.Module.Basic #align_import analysis.inner_product_space.linear_pmap from "leanprover-community/mathlib"@"8b981918a93bc45a8600de608cde7944a80d92b9" noncomputable section open RCLike open scoped ComplexConjugate Classical variable ...
Mathlib/Analysis/InnerProductSpace/LinearPMap.lean
140
147
theorem adjointAux_inner (y : T.adjointDomain) (x : T.domain) : ⟪adjointAux hT y, x⟫ = ⟪(y : F), T x⟫ := by
simp only [adjointAux, LinearMap.coe_mk, InnerProductSpace.toDual_symm_apply, adjointDomainMkCLMExtend_apply] -- Porting note(https://github.com/leanprover-community/mathlib4/issues/5026): -- mathlib3 was finished here simp only [AddHom.coe_mk, InnerProductSpace.toDual_symm_apply] rw [adjointDomainMkCLME...
6
403.428793
2
2
2
2,373
import Mathlib.Geometry.Euclidean.Sphere.Basic #align_import geometry.euclidean.sphere.second_inter from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" noncomputable section open RealInnerProductSpace namespace EuclideanGeometry variable {V : Type*} {P : Type*} [NormedAddCommGroup V]...
Mathlib/Geometry/Euclidean/Sphere/SecondInter.lean
54
55
theorem Sphere.secondInter_mem {s : Sphere P} {p : P} (v : V) : s.secondInter p v ∈ s ↔ p ∈ s := by
simp_rw [mem_sphere, Sphere.secondInter_dist]
1
2.718282
0
1.25
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1,314
import Mathlib.MeasureTheory.Group.Measure import Mathlib.MeasureTheory.Integral.IntegrableOn import Mathlib.MeasureTheory.Function.LocallyIntegrable open Asymptotics MeasureTheory Set Filter variable {α E F : Type*} [MeasurableSpace α] [NormedAddCommGroup E] [NormedAddCommGroup F] {f : α → E} {g : α → F} {a b :...
Mathlib/MeasureTheory/Integral/Asymptotics.lean
81
85
theorem LocallyIntegrableOn.integrableOn_of_isBigO_atBot [IsMeasurablyGenerated (atBot (α := α))] (hf : LocallyIntegrableOn f (Iic a) μ) (ho : f =O[atBot] g) (hg : IntegrableAtFilter g atBot μ) : IntegrableOn f (Iic a) μ := by
refine integrableOn_Iic_iff_integrableAtFilter_atBot.mpr ⟨ho.integrableAtFilter ?_ hg, hf⟩ exact ⟨Iic a, Iic_mem_atBot a, hf.aestronglyMeasurable⟩
2
7.389056
1
1.125
8
1,209
import Mathlib.Control.Bitraversable.Basic #align_import control.bitraversable.lemmas from "leanprover-community/mathlib"@"58581d0fe523063f5651df0619be2bf65012a94a" universe u variable {t : Type u → Type u → Type u} [Bitraversable t] variable {β : Type u} namespace Bitraversable open Functor LawfulApplicative ...
Mathlib/Control/Bitraversable/Lemmas.lean
110
112
theorem tfst_eq_fst_id {α α' β} (f : α → α') (x : t α β) : tfst (F := Id) (pure ∘ f) x = pure (fst f x) := by
apply bitraverse_eq_bimap_id
1
2.718282
0
0.666667
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606
import Mathlib.Algebra.Order.Group.OrderIso import Mathlib.Algebra.Order.Monoid.OrderDual import Mathlib.Data.Set.Pointwise.Basic import Mathlib.Order.Bounds.OrderIso import Mathlib.Order.ConditionallyCompleteLattice.Basic #align_import algebra.bounds from "leanprover-community/mathlib"@"dd71334db81d0bd444af1ee339a29...
Mathlib/Algebra/Bounds.lean
185
186
theorem ciInf_div (hf : BddBelow (range f)) (a : G) : (⨅ i, f i) / a = ⨅ i, f i / a := by
simp only [div_eq_mul_inv, ciInf_mul hf]
1
2.718282
0
0
2
199
import Mathlib.LinearAlgebra.Contraction import Mathlib.LinearAlgebra.Matrix.Charpoly.Coeff #align_import linear_algebra.trace from "leanprover-community/mathlib"@"4cf7ca0e69e048b006674cf4499e5c7d296a89e0" noncomputable section universe u v w namespace LinearMap open Matrix open FiniteDimensional open Tensor...
Mathlib/LinearAlgebra/Trace.lean
92
95
theorem trace_eq_matrix_trace (f : M →ₗ[R] M) : trace R M f = Matrix.trace (LinearMap.toMatrix b b f) := by
rw [trace_eq_matrix_trace_of_finset R b.reindexFinsetRange, ← traceAux_def, ← traceAux_def, traceAux_eq R b b.reindexFinsetRange]
2
7.389056
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1.333333
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import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.Analysis.Calculus.FDeriv.Mul import Mathlib.Analysis.Calculus.FDeriv.Add #align_import analysis.calculus.deriv.mul from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" universe u v w noncomputable section open scoped Classical...
Mathlib/Analysis/Calculus/Deriv/Mul.lean
480
484
theorem HasStrictDerivAt.clm_apply (hc : HasStrictDerivAt c c' x) (hu : HasStrictDerivAt u u' x) : HasStrictDerivAt (fun y => (c y) (u y)) (c' (u x) + c x u') x := by
have := (hc.hasStrictFDerivAt.clm_apply hu.hasStrictFDerivAt).hasStrictDerivAt rwa [add_apply, comp_apply, flip_apply, smulRight_apply, smulRight_apply, one_apply, one_smul, one_smul, add_comm] at this
3
20.085537
1
1
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997
import Mathlib.Data.Set.Prod #align_import data.set.n_ary from "leanprover-community/mathlib"@"5e526d18cea33550268dcbbddcb822d5cde40654" open Function namespace Set variable {α α' β β' γ γ' δ δ' ε ε' ζ ζ' ν : Type*} {f f' : α → β → γ} {g g' : α → β → γ → δ} variable {s s' : Set α} {t t' : Set β} {u u' : Set γ} {v...
Mathlib/Data/Set/NAry.lean
107
108
theorem image2_union_right : image2 f s (t ∪ t') = image2 f s t ∪ image2 f s t' := by
rw [← image2_swap, image2_union_left, image2_swap f, image2_swap f]
1
2.718282
0
0.333333
6
336
import Mathlib.Data.Fintype.Card import Mathlib.Order.UpperLower.Basic #align_import combinatorics.set_family.intersecting from "leanprover-community/mathlib"@"d90e4e186f1d18e375dcd4e5b5f6364b01cb3e46" open Finset variable {α : Type*} namespace Set section SemilatticeInf variable [SemilatticeInf α] [OrderBot ...
Mathlib/Combinatorics/SetFamily/Intersecting.lean
99
107
theorem intersecting_iff_eq_empty_of_subsingleton [Subsingleton α] (s : Set α) : s.Intersecting ↔ s = ∅ := by
refine subsingleton_of_subsingleton.intersecting.trans ⟨not_imp_comm.2 fun h => subsingleton_of_subsingleton.eq_singleton_of_mem ?_, ?_⟩ · obtain ⟨a, ha⟩ := nonempty_iff_ne_empty.2 h rwa [Subsingleton.elim ⊥ a] · rintro rfl exact (Set.singleton_nonempty _).ne_empty.symm
7
1,096.633158
2
1.5
4
1,627
import Mathlib.Analysis.Convex.Normed import Mathlib.Analysis.Convex.Strict import Mathlib.Analysis.Normed.Order.Basic import Mathlib.Analysis.NormedSpace.AddTorsor import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.NormedSpace.Ray #align_import analysis.convex.strict_convex_space from "leanprover-...
Mathlib/Analysis/Convex/StrictConvexSpace.lean
123
130
theorem StrictConvexSpace.of_norm_add_ne_two (h : ∀ ⦃x y : E⦄, ‖x‖ = 1 → ‖y‖ = 1 → x ≠ y → ‖x + y‖ ≠ 2) : StrictConvexSpace ℝ E := by
refine StrictConvexSpace.of_norm_combo_ne_one fun x y hx hy hne => ⟨1 / 2, 1 / 2, one_half_pos.le, one_half_pos.le, add_halves _, ?_⟩ rw [← smul_add, norm_smul, Real.norm_of_nonneg one_half_pos.le, one_div, ← div_eq_inv_mul, Ne, div_eq_one_iff_eq (two_ne_zero' ℝ)] exact h hx hy hne
6
403.428793
2
1.833333
6
1,919
import Mathlib.Data.Finsupp.Encodable import Mathlib.LinearAlgebra.Pi import Mathlib.LinearAlgebra.Span import Mathlib.Data.Set.Countable #align_import linear_algebra.finsupp from "leanprover-community/mathlib"@"9d684a893c52e1d6692a504a118bfccbae04feeb" noncomputable section open Set LinearMap Submodule namespa...
Mathlib/LinearAlgebra/Finsupp.lean
260
263
theorem iSup_lsingle_range : ⨆ a, LinearMap.range (lsingle a : M →ₗ[R] α →₀ M) = ⊤ := by
refine eq_top_iff.2 <| SetLike.le_def.2 fun f _ => ?_ rw [← sum_single f] exact sum_mem fun a _ => Submodule.mem_iSup_of_mem a ⟨_, rfl⟩
3
20.085537
1
1
9
1,040
import Mathlib.Algebra.Order.Field.Power import Mathlib.Data.Int.LeastGreatest import Mathlib.Data.Rat.Floor import Mathlib.Data.NNRat.Defs #align_import algebra.order.archimedean from "leanprover-community/mathlib"@"6f413f3f7330b94c92a5a27488fdc74e6d483a78" open Int Set variable {α : Type*} class Archimedean (...
Mathlib/Algebra/Order/Archimedean.lean
138
148
theorem add_one_pow_unbounded_of_pos (x : α) (hy : 0 < y) : ∃ n : ℕ, x < (y + 1) ^ n := have : 0 ≤ 1 + y := add_nonneg zero_le_one hy.le (Archimedean.arch x hy).imp fun n h ↦ calc x ≤ n • y := h _ = n * y := nsmul_eq_mul _ _ _ < 1 + n * y := lt_one_add _ _ ≤ (1 + y) ^ n := one_ad...
rw [add_comm]
1
2.718282
0
1
5
1,041
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.FieldTheory.Minpoly.IsIntegrallyClosed import Mathlib.RingTheory.PowerBasis #align_import ring_theory.is_adjoin_root from "leanprover-community/mathlib"@"f7fc89d5d5ff1db2d1242c7bb0e9062ce47ef47c" open scoped Polynomial open Polynomial noncomputable sec...
Mathlib/RingTheory/IsAdjoinRoot.lean
356
359
theorem map_modByMonic (h : IsAdjoinRootMonic S f) (g : R[X]) : h.map (g %ₘ f) = h.map g := by
rw [← RingHom.sub_mem_ker_iff, mem_ker_map, modByMonic_eq_sub_mul_div _ h.Monic, sub_right_comm, sub_self, zero_sub, dvd_neg] exact ⟨_, rfl⟩
3
20.085537
1
0.333333
9
324
import Mathlib.Algebra.EuclideanDomain.Basic import Mathlib.RingTheory.PrincipalIdealDomain import Mathlib.Algebra.GCDMonoid.Nat #align_import ring_theory.int.basic from "leanprover-community/mathlib"@"e655e4ea5c6d02854696f97494997ba4c31be802" theorem Int.Prime.dvd_mul {m n : ℤ} {p : ℕ} (hp : Nat.Prime p) (h : (p ...
Mathlib/RingTheory/Int/Basic.lean
105
108
theorem Int.Prime.dvd_pow' {n : ℤ} {k p : ℕ} (hp : Nat.Prime p) (h : (p : ℤ) ∣ n ^ k) : (p : ℤ) ∣ n := by
rw [Int.natCast_dvd] exact Int.Prime.dvd_pow hp h
2
7.389056
1
1.153846
13
1,227
import Mathlib.Data.Fintype.Card import Mathlib.Data.Finset.Prod #align_import data.fintype.prod from "leanprover-community/mathlib"@"509de852e1de55e1efa8eacfa11df0823f26f226" open Function open Nat universe u v variable {α β γ : Type*} open Finset Function namespace Set variable {s t : Set α}
Mathlib/Data/Fintype/Prod.lean
31
34
theorem toFinset_prod (s : Set α) (t : Set β) [Fintype s] [Fintype t] [Fintype (s ×ˢ t)] : (s ×ˢ t).toFinset = s.toFinset ×ˢ t.toFinset := by
ext simp
2
7.389056
1
1.5
2
1,560
import Mathlib.Analysis.SpecialFunctions.Pow.NNReal #align_import analysis.special_functions.pow.asymptotics from "leanprover-community/mathlib"@"0b9eaaa7686280fad8cce467f5c3c57ee6ce77f8" set_option linter.uppercaseLean3 false noncomputable section open scoped Classical open Real Topology NNReal ENNReal Filter C...
Mathlib/Analysis/SpecialFunctions/Pow/Asymptotics.lean
223
234
theorem isTheta_cpow_rpow (hl_im : IsBoundedUnder (· ≤ ·) l fun x => |(g x).im|) (hl : ∀ᶠ x in l, f x = 0 → re (g x) = 0 → g x = 0) : (fun x => f x ^ g x) =Θ[l] fun x => abs (f x) ^ (g x).re := calc (fun x => f x ^ g x) =Θ[l] (show α → ℝ from fun x => abs (f x) ^ (g x).re / Real.exp (arg (f x) * i...
simp only [ofReal_one, div_one] rfl
2
7.389056
1
1.5
10
1,605
import Mathlib.Topology.Order.MonotoneContinuity import Mathlib.Topology.Algebra.Order.LiminfLimsup import Mathlib.Topology.Instances.NNReal import Mathlib.Topology.EMetricSpace.Lipschitz import Mathlib.Topology.Metrizable.Basic import Mathlib.Topology.Order.T5 #align_import topology.instances.ennreal from "leanprove...
Mathlib/Topology/Instances/ENNReal.lean
92
94
theorem tendsto_nhds_coe_iff {α : Type*} {l : Filter α} {x : ℝ≥0} {f : ℝ≥0∞ → α} : Tendsto f (𝓝 ↑x) l ↔ Tendsto (f ∘ (↑) : ℝ≥0 → α) (𝓝 x) l := by
rw [nhds_coe, tendsto_map'_iff]
1
2.718282
0
1.285714
7
1,362
import Mathlib.LinearAlgebra.CliffordAlgebra.Fold import Mathlib.LinearAlgebra.ExteriorAlgebra.Basic #align_import linear_algebra.exterior_algebra.of_alternating from "leanprover-community/mathlib"@"ce11c3c2a285bbe6937e26d9792fda4e51f3fe1a" variable {R M N N' : Type*} variable [CommRing R] [AddCommGroup M] [AddCo...
Mathlib/LinearAlgebra/ExteriorAlgebra/OfAlternating.lean
89
92
theorem liftAlternating_one (f : ∀ i, M [⋀^Fin i]→ₗ[R] N) : liftAlternating (R := R) (M := M) (N := N) f (1 : ExteriorAlgebra R M) = f 0 0 := by
dsimp [liftAlternating] rw [foldl_one]
2
7.389056
1
1.333333
6
1,397
import Mathlib.MeasureTheory.Constructions.Prod.Basic import Mathlib.MeasureTheory.Group.Measure #align_import measure_theory.group.prod from "leanprover-community/mathlib"@"fd5edc43dc4f10b85abfe544b88f82cf13c5f844" noncomputable section open Set hiding prod_eq open Function MeasureTheory open Filter hiding ma...
Mathlib/MeasureTheory/Group/Prod.lean
151
156
theorem measurePreserving_mul_prod_inv [IsMulLeftInvariant ν] : MeasurePreserving (fun z : G × G => (z.2 * z.1, z.1⁻¹)) (μ.prod ν) (μ.prod ν) := by
convert (measurePreserving_prod_inv_mul_swap ν μ).comp (measurePreserving_prod_mul_swap μ ν) using 1 ext1 ⟨x, y⟩ simp_rw [Function.comp_apply, mul_inv_rev, inv_mul_cancel_right]
4
54.59815
2
2
4
2,269
import Mathlib.Data.Set.Prod import Mathlib.Logic.Function.Conjugate #align_import data.set.function from "leanprover-community/mathlib"@"996b0ff959da753a555053a480f36e5f264d4207" variable {α β γ : Type*} {ι : Sort*} {π : α → Type*} open Equiv Equiv.Perm Function namespace Set section Order variable {s : Se...
Mathlib/Data/Set/Function.lean
274
278
theorem _root_.StrictMonoOn.congr (h₁ : StrictMonoOn f₁ s) (h : s.EqOn f₁ f₂) : StrictMonoOn f₂ s := by
intro a ha b hb hab rw [← h ha, ← h hb] exact h₁ ha hb hab
3
20.085537
1
0.8
10
704
import Mathlib.Analysis.Calculus.ContDiff.Basic import Mathlib.Analysis.Calculus.Deriv.Mul import Mathlib.Analysis.Calculus.Deriv.Shift import Mathlib.Analysis.Calculus.IteratedDeriv.Defs variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] {F : Type*} [NormedAddCommGroup F] [NormedSpace 𝕜 F] {R : Type*} [Semi...
Mathlib/Analysis/Calculus/IteratedDeriv/Lemmas.lean
79
83
theorem iteratedDerivWithin_sub (hf : ContDiffOn 𝕜 n f s) (hg : ContDiffOn 𝕜 n g s) : iteratedDerivWithin n (f - g) s x = iteratedDerivWithin n f s x - iteratedDerivWithin n g s x := by
rw [sub_eq_add_neg, sub_eq_add_neg, Pi.neg_def, iteratedDerivWithin_add hx h hf hg.neg, iteratedDerivWithin_neg' hx h]
2
7.389056
1
1.2
10
1,290
import Mathlib.Combinatorics.Quiver.Cast import Mathlib.Combinatorics.Quiver.Symmetric #align_import combinatorics.quiver.single_obj from "leanprover-community/mathlib"@"509de852e1de55e1efa8eacfa11df0823f26f226" namespace Quiver -- Porting note: Removed `deriving Unique`. @[nolint unusedArguments] def SingleObj ...
Mathlib/Combinatorics/Quiver/SingleObj.lean
132
136
theorem listToPath_pathToList {x : SingleObj α} (p : Path (star α) x) : listToPath (pathToList p) = p.cast rfl ext := by
induction' p with y z p a ih · rfl · dsimp at *; rw [ih]
3
20.085537
1
0.666667
3
561
import Mathlib.Data.Finset.Sort import Mathlib.Data.Fin.VecNotation import Mathlib.Data.Sign import Mathlib.LinearAlgebra.AffineSpace.Combination import Mathlib.LinearAlgebra.AffineSpace.AffineEquiv import Mathlib.LinearAlgebra.Basis.VectorSpace #align_import linear_algebra.affine_space.independent from "leanprover-c...
Mathlib/LinearAlgebra/AffineSpace/Independent.lean
139
158
theorem affineIndependent_set_iff_linearIndependent_vsub {s : Set P} {p₁ : P} (hp₁ : p₁ ∈ s) : AffineIndependent k (fun p => p : s → P) ↔ LinearIndependent k (fun v => v : (fun p => (p -ᵥ p₁ : V)) '' (s \ {p₁}) → V) := by
rw [affineIndependent_iff_linearIndependent_vsub k (fun p => p : s → P) ⟨p₁, hp₁⟩] constructor · intro h have hv : ∀ v : (fun p => (p -ᵥ p₁ : V)) '' (s \ {p₁}), (v : V) +ᵥ p₁ ∈ s \ {p₁} := fun v => (vsub_left_injective p₁).mem_set_image.1 ((vadd_vsub (v : V) p₁).symm ▸ v.property) let f : (fun p : ...
17
24,154,952.753575
2
2
3
1,945
import Mathlib.Order.CompleteLattice import Mathlib.Order.GaloisConnection import Mathlib.Data.Set.Lattice import Mathlib.Tactic.AdaptationNote #align_import data.rel from "leanprover-community/mathlib"@"706d88f2b8fdfeb0b22796433d7a6c1a010af9f2" variable {α β γ : Type*} def Rel (α β : Type*) := α → β → Prop --...
Mathlib/Data/Rel.lean
86
88
theorem codom_inv : r.inv.codom = r.dom := by
ext x rfl
2
7.389056
1
1
15
904
import Mathlib.Algebra.CharP.Algebra import Mathlib.Data.ZMod.Algebra import Mathlib.FieldTheory.Finite.Basic import Mathlib.FieldTheory.Galois import Mathlib.FieldTheory.SplittingField.IsSplittingField #align_import field_theory.finite.galois_field from "leanprover-community/mathlib"@"0723536a0522d24fc2f159a096fb330...
Mathlib/FieldTheory/Finite/GaloisField.lean
96
143
theorem finrank {n} (h : n ≠ 0) : FiniteDimensional.finrank (ZMod p) (GaloisField p n) = n := by
set g_poly := (X ^ p ^ n - X : (ZMod p)[X]) have hp : 1 < p := h_prime.out.one_lt have aux : g_poly ≠ 0 := FiniteField.X_pow_card_pow_sub_X_ne_zero _ h hp -- Porting note: in the statment of `key`, replaced `g_poly` by its value otherwise the -- proof fails have key : Fintype.card (g_poly.rootSet (GaloisFi...
47
258,131,288,619,006,750,000
2
2
2
2,369
import Mathlib.Data.List.Basic #align_import data.list.forall2 from "leanprover-community/mathlib"@"5a3e819569b0f12cbec59d740a2613018e7b8eec" open Nat Function namespace List variable {α β γ δ : Type*} {R S : α → β → Prop} {P : γ → δ → Prop} {Rₐ : α → α → Prop} open Relator mk_iff_of_inductive_prop List.Foral...
Mathlib/Data/List/Forall2.lean
61
69
theorem forall₂_eq_eq_eq : Forall₂ ((· = ·) : α → α → Prop) = Eq := by
funext a b; apply propext constructor · intro h induction h · rfl simp only [*] · rintro rfl exact forall₂_refl _
8
2,980.957987
2
1
2
1,161
import Mathlib.Algebra.BigOperators.Fin import Mathlib.Data.Nat.Choose.Sum import Mathlib.Data.Nat.Factorial.BigOperators import Mathlib.Data.Fin.VecNotation import Mathlib.Data.Finset.Sym import Mathlib.Data.Finsupp.Multiset #align_import data.nat.choose.multinomial from "leanprover-community/mathlib"@"2738d2ca56cbc...
Mathlib/Data/Nat/Choose/Multinomial.lean
134
139
theorem succ_mul_binomial [DecidableEq α] (h : a ≠ b) : (f a + f b).succ * multinomial {a, b} f = (f a).succ * multinomial {a, b} (Function.update f a (f a).succ) := by
rw [binomial_eq_choose h, binomial_eq_choose h, mul_comm (f a).succ, Function.update_same, Function.update_noteq (ne_comm.mp h)] rw [succ_mul_choose_eq (f a + f b) (f a), succ_add (f a) (f b)]
3
20.085537
1
0.777778
9
694
import Mathlib.MeasureTheory.Integral.ExpDecay import Mathlib.Analysis.MellinTransform #align_import analysis.special_functions.gamma.basic from "leanprover-community/mathlib"@"cca40788df1b8755d5baf17ab2f27dacc2e17acb" noncomputable section set_option linter.uppercaseLean3 false open Filter intervalIntegral Set...
Mathlib/Analysis/SpecialFunctions/Gamma/Basic.lean
56
67
theorem Gamma_integrand_isLittleO (s : ℝ) : (fun x : ℝ => exp (-x) * x ^ s) =o[atTop] fun x : ℝ => exp (-(1 / 2) * x) := by
refine isLittleO_of_tendsto (fun x hx => ?_) ?_ · exfalso; exact (exp_pos (-(1 / 2) * x)).ne' hx have : (fun x : ℝ => exp (-x) * x ^ s / exp (-(1 / 2) * x)) = (fun x : ℝ => exp (1 / 2 * x) / x ^ s)⁻¹ := by ext1 x field_simp [exp_ne_zero, exp_neg, ← Real.exp_add] left ring rw [this] exac...
10
22,026.465795
2
2
2
1,941
import Mathlib.Analysis.Normed.Group.Hom import Mathlib.CategoryTheory.Limits.Shapes.ZeroMorphisms import Mathlib.CategoryTheory.ConcreteCategory.BundledHom import Mathlib.CategoryTheory.Elementwise #align_import analysis.normed.group.SemiNormedGroup from "leanprover-community/mathlib"@"17ef379e997badd73e5eabb4d38f11...
Mathlib/Analysis/Normed/Group/SemiNormedGroupCat.lean
111
114
theorem isZero_of_subsingleton (V : SemiNormedGroupCat) [Subsingleton V] : Limits.IsZero V := by
refine ⟨fun X => ⟨⟨⟨0⟩, fun f => ?_⟩⟩, fun X => ⟨⟨⟨0⟩, fun f => ?_⟩⟩⟩ · ext x; have : x = 0 := Subsingleton.elim _ _; simp only [this, map_zero] · ext; apply Subsingleton.elim
3
20.085537
1
1.5
2
1,640
import Mathlib.AlgebraicTopology.DoldKan.FunctorN #align_import algebraic_topology.dold_kan.normalized from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open CategoryTheory CategoryTheory.Category CategoryTheory.Limits CategoryTheory.Subobject CategoryTheory.Idempotents DoldKan non...
Mathlib/AlgebraicTopology/DoldKan/Normalized.lean
77
78
theorem PInftyToNormalizedMooreComplex_comp_inclusionOfMooreComplexMap (X : SimplicialObject A) : PInftyToNormalizedMooreComplex X ≫ inclusionOfMooreComplexMap X = PInfty := by
aesop_cat
1
2.718282
0
0.8
5
699
import Mathlib.Algebra.Group.Action.Defs #align_import group_theory.group_action.sum from "leanprover-community/mathlib"@"f1a2caaf51ef593799107fe9a8d5e411599f3996" variable {M N P α β γ : Type*} namespace Sum section SMul variable [SMul M α] [SMul M β] [SMul N α] [SMul N β] (a : M) (b : α) (c : β) (x : Sum α...
Mathlib/GroupTheory/GroupAction/Sum.lean
56
56
theorem smul_swap : (a • x).swap = a • x.swap := by
cases x <;> rfl
1
2.718282
0
0
1
147
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
123
125
theorem QInfty_idem : (QInfty : K[X] ⟶ _) ≫ QInfty = QInfty := by
ext n exact QInfty_f_idem n
2
7.389056
1
0.833333
6
736
import Mathlib.Algebra.Order.Ring.Abs import Mathlib.Algebra.Polynomial.Derivative import Mathlib.Data.Nat.Factorial.DoubleFactorial #align_import ring_theory.polynomial.hermite.basic from "leanprover-community/mathlib"@"938d3db9c278f8a52c0f964a405806f0f2b09b74" noncomputable section open Polynomial namespace P...
Mathlib/RingTheory/Polynomial/Hermite/Basic.lean
133
143
theorem coeff_hermite_of_odd_add {n k : ℕ} (hnk : Odd (n + k)) : coeff (hermite n) k = 0 := by
induction' n with n ih generalizing k · rw [zero_add k] at hnk exact coeff_hermite_of_lt hnk.pos · cases' k with k · rw [Nat.succ_add_eq_add_succ] at hnk rw [coeff_hermite_succ_zero, ih hnk, neg_zero] · rw [coeff_hermite_succ_succ, ih, ih, mul_zero, sub_zero] · rwa [Nat.succ_add_eq_add_su...
10
22,026.465795
2
1.1
10
1,191
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp] theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂...
Mathlib/Data/Vector/MapLemmas.lean
103
105
theorem map_map₂ (f₁ : γ → ζ) (f₂ : α → β → γ) : map f₁ (map₂ f₂ xs ys) = map₂ (fun x y => f₁ <| f₂ x y) xs ys := by
induction xs, ys using Vector.revInductionOn₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.Data.Matrix.Basis import Mathlib.Data.Matrix.DMatrix import Mathlib.LinearAlgebra.Matrix.Determinant.Basic import Mathlib.LinearAlgebra.Matrix.Reindex import Mathlib.Tactic.FieldSimp #align_import linear_algebra.matrix.transvection from "leanprover-community/mathlib"@"0e2aab2b0d521f060f62a14d2cf2e2c54e...
Mathlib/LinearAlgebra/Matrix/Transvection.lean
141
142
theorem det_transvection_of_ne (h : i ≠ j) (c : R) : det (transvection i j c) = 1 := by
rw [← updateRow_eq_transvection i j, det_updateRow_add_smul_self _ h, det_one]
1
2.718282
0
0.666667
12
572
import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Algebra.GeomSum import Mathlib.Data.Fintype.BigOperators import Mathlib.RingTheory.PowerSeries.Inverse import Mathlib.RingTheory.PowerSeries.WellKnown import Mathlib.Tactic.FieldSimp #align_import number_theory.bernoulli from "leanprover-community/mat...
Mathlib/NumberTheory/Bernoulli.lean
122
124
theorem bernoulli'_three : bernoulli' 3 = 0 := by
rw [bernoulli'_def] norm_num [sum_range_succ, sum_range_succ, sum_range_zero]
2
7.389056
1
1.272727
11
1,346
import Mathlib.Data.Real.Basic #align_import data.real.sign from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Real noncomputable def sign (r : ℝ) : ℝ := if r < 0 then -1 else if 0 < r then 1 else 0 #align real.sign Real.sign theorem sign_of_neg {r : ℝ} (hr : r < 0) : si...
Mathlib/Data/Real/Sign.lean
108
115
theorem inv_sign (r : ℝ) : (sign r)⁻¹ = sign r := by
obtain hn | hz | hp := sign_apply_eq r · rw [hn] norm_num · rw [hz] exact inv_zero · rw [hp] exact inv_one
7
1,096.633158
2
1.363636
11
1,467
import Mathlib.AlgebraicGeometry.Spec import Mathlib.Algebra.Category.Ring.Constructions import Mathlib.CategoryTheory.Elementwise #align_import algebraic_geometry.Scheme from "leanprover-community/mathlib"@"88474d1b5af6d37c2ab728b757771bced7f5194c" -- Explicit universe annotations were used in this file to improv...
Mathlib/AlgebraicGeometry/Scheme.lean
160
167
theorem app_eq {X Y : Scheme} (f : X ⟶ Y) {U V : Opens Y.carrier} (e : U = V) : f.val.c.app (op U) = Y.presheaf.map (eqToHom e.symm).op ≫ f.val.c.app (op V) ≫ X.presheaf.map (eqToHom (congr_arg (Opens.map f.val.base).obj e)).op := by
rw [← IsIso.inv_comp_eq, ← Functor.map_inv, f.val.c.naturality, Presheaf.pushforwardObj_map] cases e rfl
3
20.085537
1
0.333333
3
354
import Mathlib.Topology.Order.IsLUB open Set Filter TopologicalSpace Topology Function open OrderDual (toDual ofDual) variable {α β γ : Type*} section DenselyOrdered variable [TopologicalSpace α] [LinearOrder α] [OrderTopology α] [DenselyOrdered α] {a b : α} {s : Set α} theorem closure_Ioi' {a : α} (h : (Io...
Mathlib/Topology/Order/DenselyOrdered.lean
83
84
theorem interior_Ici' {a : α} (ha : (Iio a).Nonempty) : interior (Ici a) = Ioi a := by
rw [← compl_Iio, interior_compl, closure_Iio' ha, compl_Iic]
1
2.718282
0
0.769231
13
685
import Mathlib.AlgebraicTopology.DoldKan.Projections import Mathlib.CategoryTheory.Idempotents.FunctorCategories import Mathlib.CategoryTheory.Idempotents.FunctorExtension #align_import algebraic_topology.dold_kan.p_infty from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open Category...
Mathlib/AlgebraicTopology/DoldKan/PInfty.lean
78
80
theorem QInfty_f_0 : (QInfty.f 0 : X _[0] ⟶ X _[0]) = 0 := by
dsimp [QInfty] simp only [sub_self]
2
7.389056
1
0.833333
6
736
import Mathlib.CategoryTheory.Limits.Shapes.SplitCoequalizer import Mathlib.CategoryTheory.Limits.Preserves.Basic #align_import category_theory.limits.preserves.shapes.equalizers from "leanprover-community/mathlib"@"4698e35ca56a0d4fa53aa5639c3364e0a77f4eba" noncomputable section universe w v₁ v₂ u₁ u₂ open Cate...
Mathlib/CategoryTheory/Limits/Preserves/Shapes/Equalizers.lean
104
108
theorem PreservesEqualizer.iso_inv_ι : (PreservesEqualizer.iso G f g).inv ≫ G.map (equalizer.ι f g) = equalizer.ι (G.map f) (G.map g) := by
rw [← Iso.cancel_iso_hom_left (PreservesEqualizer.iso G f g), ← Category.assoc, Iso.hom_inv_id] simp
2
7.389056
1
0.666667
3
585
import Mathlib.Data.Matrix.Invertible import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.LinearAlgebra.Matrix.PosDef #align_import linear_algebra.matrix.schur_complement from "leanprover-community/mathlib"@"a176cb1219e300e85793d44583dede42377b51af" variable {l m n α : Type*} namespace Matrix ...
Mathlib/LinearAlgebra/Matrix/SchurComplement.lean
398
401
theorem det_fromBlocks_one₁₁ (B : Matrix m n α) (C : Matrix n m α) (D : Matrix n n α) : (Matrix.fromBlocks 1 B C D).det = det (D - C * B) := by
haveI : Invertible (1 : Matrix m m α) := invertibleOne rw [det_fromBlocks₁₁, invOf_one, Matrix.mul_one, det_one, one_mul]
2
7.389056
1
1.1875
16
1,248
import Mathlib.Data.Finite.Card import Mathlib.GroupTheory.Commutator import Mathlib.GroupTheory.Finiteness #align_import group_theory.abelianization from "leanprover-community/mathlib"@"4be589053caf347b899a494da75410deb55fb3ef" universe u v w -- Let G be a group. variable (G : Type u) [Group G] open Subgroup (...
Mathlib/GroupTheory/Abelianization.lean
132
135
theorem commutator_subset_ker : commutator G ≤ f.ker := by
rw [commutator_eq_closure, Subgroup.closure_le] rintro x ⟨p, q, rfl⟩ simp [MonoidHom.mem_ker, mul_right_comm (f p) (f q), commutatorElement_def]
3
20.085537
1
0.8
5
705
import Mathlib.MeasureTheory.Function.StronglyMeasurable.Basic #align_import measure_theory.function.egorov from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" noncomputable section open scoped Classical open MeasureTheory NNReal ENNReal Topology namespace MeasureTheory open Set Filt...
Mathlib/MeasureTheory/Function/Egorov.lean
59
70
theorem measure_inter_notConvergentSeq_eq_zero [SemilatticeSup ι] [Nonempty ι] (hfg : ∀ᵐ x ∂μ, x ∈ s → Tendsto (fun n => f n x) atTop (𝓝 (g x))) (n : ℕ) : μ (s ∩ ⋂ j, notConvergentSeq f g n j) = 0 := by
simp_rw [Metric.tendsto_atTop, ae_iff] at hfg rw [← nonpos_iff_eq_zero, ← hfg] refine measure_mono fun x => ?_ simp only [Set.mem_inter_iff, Set.mem_iInter, ge_iff_le, mem_notConvergentSeq_iff] push_neg rintro ⟨hmem, hx⟩ refine ⟨hmem, 1 / (n + 1 : ℝ), Nat.one_div_pos_of_nat, fun N => ?_⟩ obtain ⟨n, hn₁...
9
8,103.083928
2
1.5
4
1,535
import Mathlib.Data.List.Basic #align_import data.list.lattice from "leanprover-community/mathlib"@"dd71334db81d0bd444af1ee339a29298bef40734" open Nat namespace List variable {α : Type*} {l l₁ l₂ : List α} {p : α → Prop} {a : α} variable [DecidableEq α] section Inter @[simp] theorem inter_nil (l : L...
Mathlib/Data/List/Lattice.lean
183
184
theorem inter_reverse {xs ys : List α} : xs.inter ys.reverse = xs.inter ys := by
simp only [List.inter, elem_eq_mem, mem_reverse]
1
2.718282
0
0.3
10
318
import Mathlib.Data.Fintype.Card import Mathlib.Computability.Language import Mathlib.Tactic.NormNum #align_import computability.DFA from "leanprover-community/mathlib"@"32253a1a1071173b33dc7d6a218cf722c6feb514" open Computability universe u v -- Porting note: Required as `DFA` is used in mathlib3 set_option li...
Mathlib/Computability/DFA.lean
151
166
theorem pumping_lemma [Fintype σ] {x : List α} (hx : x ∈ M.accepts) (hlen : Fintype.card σ ≤ List.length x) : ∃ a b c, x = a ++ b ++ c ∧ a.length + b.length ≤ Fintype.card σ ∧ b ≠ [] ∧ {a} * {b}∗ * {c} ≤ M.accepts := by
obtain ⟨_, a, b, c, hx, hlen, hnil, rfl, hb, hc⟩ := M.evalFrom_split (s := M.start) hlen rfl use a, b, c, hx, hlen, hnil intro y hy rw [Language.mem_mul] at hy rcases hy with ⟨ab, hab, c', hc', rfl⟩ rw [Language.mem_mul] at hab rcases hab with ⟨a', ha', b', hb', rfl⟩ rw [Set.mem_singleton_iff] at ha' h...
11
59,874.141715
2
1.2
5
1,275
import Mathlib.Algebra.Polynomial.Degree.TrailingDegree import Mathlib.Algebra.Polynomial.EraseLead import Mathlib.Algebra.Polynomial.Eval #align_import data.polynomial.reverse from "leanprover-community/mathlib"@"44de64f183393284a16016dfb2a48ac97382f2bd" namespace Polynomial open Polynomial Finsupp Finset open...
Mathlib/Algebra/Polynomial/Reverse.lean
133
135
theorem reflect_add (f g : R[X]) (N : ℕ) : reflect N (f + g) = reflect N f + reflect N g := by
ext simp only [coeff_add, coeff_reflect]
2
7.389056
1
1
12
945
import Mathlib.Data.Int.Bitwise import Mathlib.Data.Int.Order.Lemmas import Mathlib.Data.Set.Function import Mathlib.Order.Interval.Set.Basic #align_import data.int.lemmas from "leanprover-community/mathlib"@"09597669f02422ed388036273d8848119699c22f" open Nat namespace Int theorem le_natCast_sub (m n : ℕ) : (m ...
Mathlib/Data/Int/Lemmas.lean
90
94
theorem natAbs_coe_sub_coe_lt_of_lt {a b n : ℕ} (a_lt_n : a < n) (b_lt_n : b < n) : natAbs (a - b : ℤ) < n := by
rw [← Nat.cast_lt (α := ℤ), natCast_natAbs] exact abs_sub_lt_of_nonneg_of_lt (ofNat_nonneg a) (ofNat_lt.mpr a_lt_n) (ofNat_nonneg b) (ofNat_lt.mpr b_lt_n)
3
20.085537
1
0.818182
11
720
import Mathlib.Order.Bounds.Basic import Mathlib.Order.Hom.Set #align_import order.bounds.order_iso from "leanprover-community/mathlib"@"a59dad53320b73ef180174aae867addd707ef00e" set_option autoImplicit true open Set namespace OrderIso variable [Preorder α] [Preorder β] (f : α ≃o β) theorem upperBounds_image {...
Mathlib/Order/Bounds/OrderIso.lean
41
42
theorem isLUB_image' {s : Set α} {x : α} : IsLUB (f '' s) (f x) ↔ IsLUB s x := by
rw [isLUB_image, f.symm_apply_apply]
1
2.718282
0
0
3
77
import Mathlib.GroupTheory.QuotientGroup import Mathlib.RingTheory.DedekindDomain.Ideal #align_import ring_theory.class_group from "leanprover-community/mathlib"@"565eb991e264d0db702722b4bde52ee5173c9950" variable {R K L : Type*} [CommRing R] variable [Field K] [Field L] [DecidableEq L] variable [Algebra R K] [Is...
Mathlib/RingTheory/ClassGroup.lean
67
69
theorem toPrincipalIdeal_eq_iff {I : (FractionalIdeal R⁰ K)ˣ} {x : Kˣ} : toPrincipalIdeal R K x = I ↔ spanSingleton R⁰ (x : K) = I := by
simp only [toPrincipalIdeal]; exact Units.ext_iff
1
2.718282
0
1.285714
7
1,351
import Mathlib.Tactic.ApplyFun import Mathlib.Topology.UniformSpace.Basic import Mathlib.Topology.Separation #align_import topology.uniform_space.separation from "leanprover-community/mathlib"@"0c1f285a9f6e608ae2bdffa3f993eafb01eba829" open Filter Set Function Topology Uniformity UniformSpace open scoped Classical...
Mathlib/Topology/UniformSpace/Separation.lean
186
191
theorem Filter.Tendsto.inseparable_iff_uniformity {l : Filter β} [NeBot l] {f g : β → α} {a b : α} (ha : Tendsto f l (𝓝 a)) (hb : Tendsto g l (𝓝 b)) : Inseparable a b ↔ Tendsto (fun x ↦ (f x, g x)) l (𝓤 α) := by
refine ⟨fun h ↦ (ha.prod_mk_nhds hb).mono_right h.nhds_le_uniformity, fun h ↦ ?_⟩ rw [inseparable_iff_clusterPt_uniformity] exact (ClusterPt.of_le_nhds (ha.prod_mk_nhds hb)).mono h
3
20.085537
1
0.6
5
532
import Mathlib.Algebra.ContinuedFractions.Computation.Approximations import Mathlib.Algebra.ContinuedFractions.Computation.CorrectnessTerminating import Mathlib.Data.Rat.Floor #align_import algebra.continued_fractions.computation.terminates_iff_rat from "leanprover-community/mathlib"@"a7e36e48519ab281320c4d192da6a7b3...
Mathlib/Algebra/ContinuedFractions/Computation/TerminatesIffRat.lean
174
194
theorem coe_stream_nth_rat_eq : ((IntFractPair.stream q n).map (mapFr (↑)) : Option <| IntFractPair K) = IntFractPair.stream v n := by
induction n with | zero => -- Porting note: was -- simp [IntFractPair.stream, coe_of_rat_eq v_eq_q] simp only [IntFractPair.stream, Option.map_some', coe_of_rat_eq v_eq_q] | succ n IH => rw [v_eq_q] at IH cases stream_q_nth_eq : IntFractPair.stream q n with | none => simp [IntFractPair.st...
18
65,659,969.137331
2
1.272727
11
1,350
import Mathlib.Analysis.RCLike.Lemmas import Mathlib.MeasureTheory.Constructions.BorelSpace.Complex #align_import measure_theory.function.special_functions.is_R_or_C from "leanprover-community/mathlib"@"83a66c8775fa14ee5180c85cab98e970956401ad" noncomputable section open NNReal ENNReal namespace RCLike variabl...
Mathlib/MeasureTheory/Function/SpecialFunctions/RCLike.lean
73
77
theorem measurable_of_re_im (hre : Measurable fun x => RCLike.re (f x)) (him : Measurable fun x => RCLike.im (f x)) : Measurable f := by
convert Measurable.add (M := 𝕜) (RCLike.measurable_ofReal.comp hre) ((RCLike.measurable_ofReal.comp him).mul_const RCLike.I) exact (RCLike.re_add_im _).symm
3
20.085537
1
1
2
862
import Mathlib.Analysis.Calculus.BumpFunction.Basic import Mathlib.MeasureTheory.Integral.SetIntegral import Mathlib.MeasureTheory.Measure.Lebesgue.EqHaar #align_import analysis.calculus.bump_function_inner from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" noncomputable section open F...
Mathlib/Analysis/Calculus/BumpFunction/Normed.lean
80
82
theorem support_normed_eq : Function.support (f.normed μ) = Metric.ball c f.rOut := by
unfold ContDiffBump.normed rw [support_div, f.support_eq, support_const f.integral_pos.ne', inter_univ]
2
7.389056
1
0.818182
11
722
import Mathlib.Algebra.Order.ToIntervalMod import Mathlib.Algebra.Ring.AddAut import Mathlib.Data.Nat.Totient import Mathlib.GroupTheory.Divisible import Mathlib.Topology.Connected.PathConnected import Mathlib.Topology.IsLocalHomeomorph #align_import topology.instances.add_circle from "leanprover-community/mathlib"@"...
Mathlib/Topology/Instances/AddCircle.lean
213
219
theorem coe_eq_coe_iff_of_mem_Ico {x y : 𝕜} (hx : x ∈ Ico a (a + p)) (hy : y ∈ Ico a (a + p)) : (x : AddCircle p) = y ↔ x = y := by
refine ⟨fun h => ?_, by tauto⟩ suffices (⟨x, hx⟩ : Ico a (a + p)) = ⟨y, hy⟩ by exact Subtype.mk.inj this apply_fun equivIco p a at h rw [← (equivIco p a).right_inv ⟨x, hx⟩, ← (equivIco p a).right_inv ⟨y, hy⟩] exact h
5
148.413159
2
1.5
8
1,624
import Mathlib.Algebra.Lie.OfAssociative import Mathlib.Algebra.Lie.IdealOperations #align_import algebra.lie.abelian from "leanprover-community/mathlib"@"8983bec7cdf6cb2dd1f21315c8a34ab00d7b2f6d" universe u v w w₁ w₂ class LieModule.IsTrivial (L : Type v) (M : Type w) [Bracket L M] [Zero M] : Prop where triv...
Mathlib/Algebra/Lie/Abelian.lean
318
326
theorem LieSubmodule.lie_abelian_iff_lie_self_eq_bot : IsLieAbelian I ↔ ⁅I, I⁆ = ⊥ := by
simp only [_root_.eq_bot_iff, lieIdeal_oper_eq_span, LieSubmodule.lieSpan_le, LieSubmodule.bot_coe, Set.subset_singleton_iff, Set.mem_setOf_eq, exists_imp] refine ⟨fun h z x y hz => hz.symm.trans (((I : LieSubalgebra R L).coe_bracket x y).symm.trans ((coe_zero_iff_zero _ _).mpr (by ...
8
2,980.957987
2
1.75
4
1,869
import Mathlib.AlgebraicGeometry.GammaSpecAdjunction import Mathlib.AlgebraicGeometry.Restrict import Mathlib.CategoryTheory.Limits.Opposites import Mathlib.RingTheory.Localization.InvSubmonoid #align_import algebraic_geometry.AffineScheme from "leanprover-community/mathlib"@"88474d1b5af6d37c2ab728b757771bced7f5194c"...
Mathlib/AlgebraicGeometry/AffineScheme.lean
193
196
theorem topIsAffineOpen (X : Scheme) [IsAffine X] : IsAffineOpen (⊤ : Opens X) := by
convert rangeIsAffineOpenOfOpenImmersion (𝟙 X) ext1 exact Set.range_id.symm
3
20.085537
1
1.2
5
1,260
import Mathlib.Order.BooleanAlgebra import Mathlib.Tactic.Common #align_import order.heyting.boundary from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" variable {α : Type*} namespace Coheyting variable [CoheytingAlgebra α] {a b : α} def boundary (a : α) : α := a ⊓ ¬a #align cohe...
Mathlib/Order/Heyting/Boundary.lean
132
132
theorem boundary_idem (a : α) : ∂ ∂ a = ∂ a := by
rw [boundary, hnot_boundary, inf_top_eq]
1
2.718282
0
0.777778
9
687
import Mathlib.Order.Filter.SmallSets import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Compactness.Compact import Mathlib.Topology.NhdsSet import Mathlib.Algebra.Group.Defs #align_import topology.uniform_space.basic from "leanprover-community/mathlib"@"195fcd60ff2bfe392543bceb0ec2adcdb472db4c" open Set F...
Mathlib/Topology/UniformSpace/Basic.lean
140
141
theorem idRel_subset {s : Set (α × α)} : idRel ⊆ s ↔ ∀ a, (a, a) ∈ s := by
simp [subset_def]
1
2.718282
0
0.2
5
272
import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Topology.Algebra.InfiniteSum.Constructions import Mathlib.Topology.Algebra.Ring.Basic #align_import topology.algebra.infinite_sum.ring from "leanprover-community/mathlib"@"9a59dcb7a2d06bf55da57b9030169219980660cd" open Filter Finset Function open...
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
208
213
theorem summable_sum_mul_antidiagonal_of_summable_mul (h : Summable fun x : A × A ↦ f x.1 * g x.2) : Summable fun n ↦ ∑ kl ∈ antidiagonal n, f kl.1 * g kl.2 := by
rw [summable_mul_prod_iff_summable_mul_sigma_antidiagonal] at h conv => congr; ext; rw [← Finset.sum_finset_coe, ← tsum_fintype] exact h.sigma' fun n ↦ (hasSum_fintype _).summable
3
20.085537
1
0.333333
3
348
import Mathlib.Data.Nat.Factorization.Basic import Mathlib.Data.SetLike.Fintype import Mathlib.GroupTheory.GroupAction.ConjAct import Mathlib.GroupTheory.PGroup import Mathlib.GroupTheory.NoncommPiCoprod import Mathlib.Order.Atoms.Finite import Mathlib.Data.Set.Lattice #align_import group_theory.sylow from "leanprove...
Mathlib/GroupTheory/Sylow.lean
138
141
theorem subtype_injective {P Q : Sylow p G} {hP : ↑P ≤ N} {hQ : ↑Q ≤ N} (h : P.subtype hP = Q.subtype hQ) : P = Q := by
rw [SetLike.ext_iff] at h ⊢ exact fun g => ⟨fun hg => (h ⟨g, hP hg⟩).mp hg, fun hg => (h ⟨g, hQ hg⟩).mpr hg⟩
2
7.389056
1
0.8
5
700
import Mathlib.Algebra.CharZero.Lemmas import Mathlib.Algebra.GroupWithZero.Commute import Mathlib.Algebra.Order.Field.Basic import Mathlib.Algebra.Order.Ring.Pow import Mathlib.Algebra.Ring.Int #align_import algebra.order.field.power from "leanprover-community/mathlib"@"acb3d204d4ee883eb686f45d486a2a6811a01329" ...
Mathlib/Algebra/Order/Field/Power.lean
166
169
theorem Odd.zpow_nonpos_iff (hn : Odd n) : a ^ n ≤ 0 ↔ a ≤ 0 := by
rw [le_iff_lt_or_eq, le_iff_lt_or_eq, hn.zpow_neg_iff, zpow_eq_zero_iff] rintro rfl exact Int.odd_iff_not_even.1 hn even_zero
3
20.085537
1
1
7
1,080
import Mathlib.Algebra.CharP.Two import Mathlib.Algebra.CharP.Reduced import Mathlib.Algebra.NeZero import Mathlib.Algebra.Polynomial.RingDivision import Mathlib.GroupTheory.SpecificGroups.Cyclic import Mathlib.NumberTheory.Divisors import Mathlib.RingTheory.IntegralDomain import Mathlib.Tactic.Zify #align_import rin...
Mathlib/RingTheory/RootsOfUnity/Basic.lean
131
133
theorem rootsOfUnity.coe_pow [CommMonoid R] (ζ : rootsOfUnity k R) (m : ℕ) : (((ζ ^ m :) : Rˣ) : R) = ((ζ : Rˣ) : R) ^ m := by
rw [Subgroup.coe_pow, Units.val_pow_eq_pow_val]
1
2.718282
0
0.727273
11
648
import Mathlib.LinearAlgebra.GeneralLinearGroup import Mathlib.LinearAlgebra.Matrix.ToLin import Mathlib.LinearAlgebra.Matrix.NonsingularInverse import Mathlib.Algebra.Star.Unitary #align_import linear_algebra.unitary_group from "leanprover-community/mathlib"@"2705404e701abc6b3127da906f40bae062a169c9" universe u ...
Mathlib/LinearAlgebra/UnitaryGroup.lean
71
73
theorem mem_unitaryGroup_iff' : A ∈ Matrix.unitaryGroup n α ↔ star A * A = 1 := by
refine ⟨And.left, fun hA => ⟨hA, ?_⟩⟩ rwa [mul_eq_one_comm] at hA
2
7.389056
1
1
3
1,163
import Mathlib.Probability.Kernel.Composition import Mathlib.MeasureTheory.Integral.SetIntegral #align_import probability.kernel.integral_comp_prod from "leanprover-community/mathlib"@"c0d694db494dd4f9aa57f2714b6e4c82b4ebc113" noncomputable section open scoped Topology ENNReal MeasureTheory ProbabilityTheory op...
Mathlib/Probability/Kernel/IntegralCompProd.lean
107
120
theorem hasFiniteIntegral_compProd_iff' ⦃f : β × γ → E⦄ (h1f : AEStronglyMeasurable f ((κ ⊗ₖ η) a)) : HasFiniteIntegral f ((κ ⊗ₖ η) a) ↔ (∀ᵐ x ∂κ a, HasFiniteIntegral (fun y => f (x, y)) (η (a, x))) ∧ HasFiniteIntegral (fun x => ∫ y, ‖f (x, y)‖ ∂η (a, x)) (κ a) := by
rw [hasFiniteIntegral_congr h1f.ae_eq_mk, hasFiniteIntegral_compProd_iff h1f.stronglyMeasurable_mk] apply and_congr · apply eventually_congr filter_upwards [ae_ae_of_ae_compProd h1f.ae_eq_mk.symm] with x hx using hasFiniteIntegral_congr hx · apply hasFiniteIntegral_congr filter_upwards [ae_ae...
9
8,103.083928
2
1.6
5
1,717
import Mathlib.Order.Filter.Cofinite import Mathlib.Order.Hom.CompleteLattice #align_import order.liminf_limsup from "leanprover-community/mathlib"@"ffde2d8a6e689149e44fd95fa862c23a57f8c780" set_option autoImplicit true open Filter Set Function variable {α β γ ι ι' : Type*} namespace Filter section Relation ...
Mathlib/Order/LiminfLimsup.lean
103
106
theorem IsBoundedUnder.mono_le [Preorder β] {l : Filter α} {u v : α → β} (hu : IsBoundedUnder (· ≤ ·) l u) (hv : v ≤ᶠ[l] u) : IsBoundedUnder (· ≤ ·) l v := by
apply hu.imp exact fun b hb => (eventually_map.1 hb).mp <| hv.mono fun x => le_trans
2
7.389056
1
0.25
4
306
import Mathlib.Algebra.MvPolynomial.PDeriv import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.Derivative import Mathlib.Data.Nat.Choose.Sum import Mathlib.LinearAlgebra.LinearIndependent import Mathlib.RingTheory.Polynomial.Pochhammer #align_import ring_theory.polynomial.bernstein from "le...
Mathlib/RingTheory/Polynomial/Bernstein.lean
134
138
theorem derivative_succ (n ν : ℕ) : Polynomial.derivative (bernsteinPolynomial R n (ν + 1)) = n * (bernsteinPolynomial R (n - 1) ν - bernsteinPolynomial R (n - 1) (ν + 1)) := by
cases n · simp [bernsteinPolynomial] · rw [Nat.cast_succ]; apply derivative_succ_aux
3
20.085537
1
0.9
10
780
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.GroupWithZero.Defs import Mathlib.Data.Int.Cast.Defs import Mathlib.Tactic.Spread import Mathlib.Util.AssertExists #align_import algebra.ring.defs from "leanprover-community/mathlib"@"76de8ae01554c3b37d66544866659ff174e66e1f" universe u v w x variable {α : ...
Mathlib/Algebra/Ring/Defs.lean
156
157
theorem add_one_mul [RightDistribClass α] (a b : α) : (a + 1) * b = a * b + b := by
rw [add_mul, one_mul]
1
2.718282
0
0.181818
11
267
import Mathlib.Data.List.Nodup #align_import data.list.duplicate from "leanprover-community/mathlib"@"f694c7dead66f5d4c80f446c796a5aad14707f0e" variable {α : Type*} namespace List inductive Duplicate (x : α) : List α → Prop | cons_mem {l : List α} : x ∈ l → Duplicate x (x :: l) | cons_duplicate {y : α} {l ...
Mathlib/Data/List/Duplicate.lean
46
49
theorem Duplicate.mem (h : x ∈+ l) : x ∈ l := by
induction' h with l' _ y l' _ hm · exact mem_cons_self _ _ · exact mem_cons_of_mem _ hm
3
20.085537
1
0.818182
11
719
import Mathlib.Combinatorics.Enumerative.Composition import Mathlib.Tactic.ApplyFun #align_import combinatorics.partition from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" open Multiset namespace Nat @[ext] structure Partition (n : ℕ) where parts : Multiset ℕ parts_pos : ∀...
Mathlib/Combinatorics/Enumerative/Partition.lean
77
80
theorem ofComposition_surj {n : ℕ} : Function.Surjective (ofComposition n) := by
rintro ⟨b, hb₁, hb₂⟩ induction b using Quotient.inductionOn with | _ b => ?_ exact ⟨⟨b, hb₁, by simpa using hb₂⟩, Partition.ext _ _ rfl⟩
3
20.085537
1
1
1
923
import Mathlib.Analysis.Convex.Function import Mathlib.Analysis.Convex.StrictConvexSpace import Mathlib.MeasureTheory.Function.AEEqOfIntegral import Mathlib.MeasureTheory.Integral.Average #align_import analysis.convex.integral from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Mea...
Mathlib/Analysis/Convex/Integral.lean
87
90
theorem Convex.average_mem [IsFiniteMeasure μ] [NeZero μ] (hs : Convex ℝ s) (hsc : IsClosed s) (hfs : ∀ᵐ x ∂μ, f x ∈ s) (hfi : Integrable f μ) : (⨍ x, f x ∂μ) ∈ s := by
refine hs.integral_mem hsc (ae_mono' ?_ hfs) hfi.to_average exact AbsolutelyContinuous.smul (refl _) _
2
7.389056
1
1.5
4
1,549
import Mathlib.Geometry.Euclidean.Inversion.Basic import Mathlib.Geometry.Euclidean.PerpBisector open Metric Function AffineMap Set AffineSubspace open scoped Topology variable {V P : Type*} [NormedAddCommGroup V] [InnerProductSpace ℝ V] [MetricSpace P] [NormedAddTorsor V P] {c x y : P} {R : ℝ} namespace Euclid...
Mathlib/Geometry/Euclidean/Inversion/ImageHyperplane.lean
73
76
theorem image_inversion_sphere_dist_center (hR : R ≠ 0) (hy : y ≠ c) : inversion c R '' sphere y (dist y c) = insert c (perpBisector c (inversion c R y) : Set P) := by
rw [image_eq_preimage_of_inverse (inversion_involutive _ hR) (inversion_involutive _ hR), preimage_inversion_sphere_dist_center hR hy]
2
7.389056
1
1.166667
6
1,232
import Mathlib.Logic.Equiv.Fin import Mathlib.Topology.DenseEmbedding import Mathlib.Topology.Support import Mathlib.Topology.Connected.LocallyConnected #align_import topology.homeomorph from "leanprover-community/mathlib"@"4c3e1721c58ef9087bbc2c8c38b540f70eda2e53" open Set Filter open Topology variable {X : Typ...
Mathlib/Topology/Homeomorph.lean
171
173
theorem self_trans_symm (h : X ≃ₜ Y) : h.trans h.symm = Homeomorph.refl X := by
ext apply symm_apply_apply
2
7.389056
1
1
2
826
import Mathlib.SetTheory.Cardinal.Finite #align_import data.finite.card from "leanprover-community/mathlib"@"3ff3f2d6a3118b8711063de7111a0d77a53219a8" noncomputable section open scoped Classical variable {α β γ : Type*} def Finite.equivFin (α : Type*) [Finite α] : α ≃ Fin (Nat.card α) := by have := (Finite....
Mathlib/Data/Finite/Card.lean
109
113
theorem card_le_of_surjective [Finite α] (f : α → β) (hf : Function.Surjective f) : Nat.card β ≤ Nat.card α := by
haveI := Fintype.ofFinite α haveI := Fintype.ofSurjective f hf simpa only [Nat.card_eq_fintype_card, ge_iff_le] using Fintype.card_le_of_surjective f hf
3
20.085537
1
1.2
10
1,279
import Mathlib.Data.Set.Image #align_import order.directed from "leanprover-community/mathlib"@"ffde2d8a6e689149e44fd95fa862c23a57f8c780" open Function universe u v w variable {α : Type u} {β : Type v} {ι : Sort w} (r r' s : α → α → Prop) local infixl:50 " ≼ " => r def Directed (f : ι → α) := ∀ x y, ∃ z, ...
Mathlib/Order/Directed.lean
77
80
theorem directedOn_image {s : Set β} {f : β → α} : DirectedOn r (f '' s) ↔ DirectedOn (f ⁻¹'o r) s := by
simp only [DirectedOn, Set.mem_image, exists_exists_and_eq_and, forall_exists_index, and_imp, forall_apply_eq_imp_iff₂, Order.Preimage]
2
7.389056
1
1
4
976
import Mathlib.Analysis.SpecialFunctions.Gaussian.FourierTransform import Mathlib.Analysis.Fourier.PoissonSummation open Real Set MeasureTheory Filter Asymptotics intervalIntegral open scoped Real Topology FourierTransform RealInnerProductSpace open Complex hiding exp continuous_exp abs_of_nonneg sq_abs noncomp...
Mathlib/Analysis/SpecialFunctions/Gaussian/PoissonSummation.lean
88
122
theorem Complex.tsum_exp_neg_quadratic {a : ℂ} (ha : 0 < a.re) (b : ℂ) : (∑' n : ℤ, cexp (-π * a * n ^ 2 + 2 * π * b * n)) = 1 / a ^ (1 / 2 : ℂ) * ∑' n : ℤ, cexp (-π / a * (n + I * b) ^ 2) := by
let f : ℝ → ℂ := fun x ↦ cexp (-π * a * x ^ 2 + 2 * π * b * x) have hCf : Continuous f := by refine Complex.continuous_exp.comp (Continuous.add ?_ ?_) · exact continuous_const.mul (Complex.continuous_ofReal.pow 2) · exact continuous_const.mul Complex.continuous_ofReal have hFf : 𝓕 f = fun x : ℝ ↦ 1 ...
32
78,962,960,182,680.7
2
1.666667
3
1,764