Context
stringlengths
57
6.04k
file_name
stringlengths
21
79
start
int64
14
1.49k
end
int64
18
1.5k
theorem
stringlengths
25
1.55k
proof
stringlengths
5
7.36k
num_lines
int64
1
150
complexity_score
float64
2.72
139,370,958,066,637,970,000,000,000,000,000,000,000,000,000,000,000,000,000B
diff_level
int64
0
2
file_diff_level
float64
0
2
theorem_same_file
int64
1
32
rank_file
int64
0
2.51k
import Mathlib.Algebra.Homology.Single #align_import algebra.homology.augment from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" noncomputable section open CategoryTheory Limits HomologicalComplex universe v u variable {V : Type u} [Category.{v} V] namespace ChainComplex @[simps]...
Mathlib/Algebra/Homology/Augment.lean
132
134
theorem chainComplex_d_succ_succ_zero (C : ChainComplex V ℕ) (i : ℕ) : C.d (i + 2) 0 = 0 := by
rw [C.shape] exact i.succ_succ_ne_one.symm
2
7.389056
1
0.666667
3
587
import Mathlib.Algebra.GroupWithZero.Units.Basic import Mathlib.Algebra.Group.Semiconj.Units import Mathlib.Init.Classical #align_import algebra.group_with_zero.semiconj from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" assert_not_exists DenselyOrdered variable {α M₀ G₀ M₀' G₀' F F' :...
Mathlib/Algebra/GroupWithZero/Semiconj.lean
45
54
theorem inv_right₀ (h : SemiconjBy a x y) : SemiconjBy a x⁻¹ y⁻¹ := by
by_cases ha : a = 0 · simp only [ha, zero_left] by_cases hx : x = 0 · subst x simp only [SemiconjBy, mul_zero, @eq_comm _ _ (y * a), mul_eq_zero] at h simp [h.resolve_right ha] · have := mul_ne_zero ha hx rw [h.eq, mul_ne_zero_iff] at this exact @units_inv_right _ _ _ (Units.mk0 x hx) (Units....
9
8,103.083928
2
0.75
4
654
import Mathlib.RingTheory.PowerSeries.Trunc import Mathlib.RingTheory.PowerSeries.Inverse import Mathlib.RingTheory.Derivation.Basic namespace PowerSeries open Polynomial Derivation Nat section CommutativeSemiring variable {R} [CommSemiring R] noncomputable def derivativeFun (f : R⟦X⟧) : R⟦X⟧ := mk fun n ↦ coef...
Mathlib/RingTheory/PowerSeries/Derivative.lean
60
68
theorem trunc_derivativeFun (f : R⟦X⟧) (n : ℕ) : trunc n f.derivativeFun = derivative (trunc (n + 1) f) := by
ext d rw [coeff_trunc] split_ifs with h · have : d + 1 < n + 1 := succ_lt_succ_iff.2 h rw [coeff_derivativeFun, coeff_derivative, coeff_trunc, if_pos this] · have : ¬d + 1 < n + 1 := by rwa [succ_lt_succ_iff] rw [coeff_derivative, coeff_trunc, if_neg this, zero_mul]
7
1,096.633158
2
1.111111
9
1,200
import Mathlib.Algebra.Order.Floor import Mathlib.Algebra.ContinuedFractions.Basic #align_import algebra.continued_fractions.computation.basic from "leanprover-community/mathlib"@"a7e36e48519ab281320c4d192da6a7b348ce40ad" namespace GeneralizedContinuedFraction -- Fix a carrier `K`. variable (K : Type*) structu...
Mathlib/Algebra/ContinuedFractions/Computation/Basic.lean
159
161
theorem stream_isSeq (v : K) : (IntFractPair.stream v).IsSeq := by
intro _ hyp simp [IntFractPair.stream, hyp]
2
7.389056
1
1
1
844
import Mathlib.Data.List.Cycle import Mathlib.GroupTheory.Perm.Cycle.Type import Mathlib.GroupTheory.Perm.List #align_import group_theory.perm.cycle.concrete from "leanprover-community/mathlib"@"00638177efd1b2534fc5269363ebf42a7871df9a" open Equiv Equiv.Perm List variable {α : Type*} namespace List variable [D...
Mathlib/GroupTheory/Perm/Cycle/Concrete.lean
120
123
theorem formPerm_apply_mem_eq_next (hl : Nodup l) (x : α) (hx : x ∈ l) : formPerm l x = next l x hx := by
obtain ⟨k, rfl⟩ := get_of_mem hx rw [next_get _ hl, formPerm_apply_get _ hl]
2
7.389056
1
1
18
1,030
import Mathlib.Analysis.Asymptotics.Asymptotics import Mathlib.Analysis.Asymptotics.Theta import Mathlib.Analysis.Normed.Order.Basic #align_import analysis.asymptotics.asymptotic_equivalent from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" namespace Asymptotics open Filter Function ...
Mathlib/Analysis/Asymptotics/AsymptoticEquivalent.lean
89
91
theorem IsEquivalent.isBigO_symm (h : u ~[l] v) : v =O[l] u := by
convert h.isLittleO.right_isBigO_add simp
2
7.389056
1
1.285714
7
1,354
import Batteries.Data.List.Lemmas namespace List universe u v variable {α : Type u} {β : Type v} @[simp] theorem eraseIdx_zero (l : List α) : eraseIdx l 0 = tail l := by cases l <;> rfl theorem eraseIdx_eq_take_drop_succ : ∀ (l : List α) (i : Nat), l.eraseIdx i = l.take i ++ l.drop (i + 1) | nil, _ => by s...
.lake/packages/batteries/Batteries/Data/List/EraseIdx.lean
76
80
theorem mem_eraseIdx_iff_get? {x : α} {l} {k} : x ∈ eraseIdx l k ↔ ∃ i ≠ k, l.get? i = x := by
simp only [mem_eraseIdx_iff_get, Fin.exists_iff, exists_and_left, get_eq_iff, exists_prop] refine exists_congr fun i => and_congr_right' <| and_iff_right_of_imp fun h => ?_ obtain ⟨h, -⟩ := get?_eq_some.1 h exact h
4
54.59815
2
1.666667
3
1,821
import Mathlib.Analysis.Calculus.ContDiff.Bounds import Mathlib.Analysis.Calculus.IteratedDeriv.Defs import Mathlib.Analysis.Calculus.LineDeriv.Basic import Mathlib.Analysis.LocallyConvex.WithSeminorms import Mathlib.Analysis.Normed.Group.ZeroAtInfty import Mathlib.Analysis.SpecialFunctions.Pow.Real import Mathlib.Ana...
Mathlib/Analysis/Distribution/SchwartzSpace.lean
103
106
theorem decay (f : 𝓢(E, F)) (k n : ℕ) : ∃ C : ℝ, 0 < C ∧ ∀ x, ‖x‖ ^ k * ‖iteratedFDeriv ℝ n f x‖ ≤ C := by
rcases f.decay' k n with ⟨C, hC⟩ exact ⟨max C 1, by positivity, fun x => (hC x).trans (le_max_left _ _)⟩
2
7.389056
1
1.25
8
1,308
import Mathlib.Algebra.Order.Interval.Set.Instances import Mathlib.Order.Interval.Set.ProjIcc import Mathlib.Topology.Instances.Real #align_import topology.unit_interval from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" noncomputable section open scoped Classical open Topology Filter ...
Mathlib/Topology/UnitInterval.lean
62
64
theorem mem_iff_one_sub_mem {t : ℝ} : t ∈ I ↔ 1 - t ∈ I := by
rw [mem_Icc, mem_Icc] constructor <;> intro <;> constructor <;> linarith
2
7.389056
1
0.25
4
303
import Mathlib.Analysis.InnerProductSpace.Projection import Mathlib.Analysis.NormedSpace.PiLp import Mathlib.LinearAlgebra.FiniteDimensional import Mathlib.LinearAlgebra.UnitaryGroup #align_import analysis.inner_product_space.pi_L2 from "leanprover-community/mathlib"@"13bce9a6b6c44f6b4c91ac1c1d2a816e2533d395" set_...
Mathlib/Analysis/InnerProductSpace/PiL2.lean
140
143
theorem EuclideanSpace.closedBall_zero_eq {n : Type*} [Fintype n] (r : ℝ) (hr : 0 ≤ r) : Metric.closedBall (0 : EuclideanSpace ℝ n) r = {x | ∑ i, x i ^ 2 ≤ r ^ 2} := by
ext simp_rw [mem_setOf, mem_closedBall_zero_iff, norm_eq, norm_eq_abs, sq_abs, sqrt_le_left hr]
2
7.389056
1
1
4
996
import Mathlib.CategoryTheory.Limits.Shapes.ZeroMorphisms import Mathlib.CategoryTheory.Limits.Shapes.Kernels import Mathlib.CategoryTheory.Abelian.Basic import Mathlib.CategoryTheory.Subobject.Lattice import Mathlib.Order.Atoms #align_import category_theory.simple from "leanprover-community/mathlib"@"4ed0bcaef698011...
Mathlib/CategoryTheory/Simple.lean
103
107
theorem mono_to_simple_zero_of_not_iso {X Y : C} [Simple Y] {f : X ⟶ Y} [Mono f] (w : IsIso f → False) : f = 0 := by
classical by_contra h exact w (isIso_of_mono_of_nonzero h)
3
20.085537
1
1.5
8
1,594
import Mathlib.Algebra.DualNumber import Mathlib.Algebra.QuaternionBasis import Mathlib.Data.Complex.Module import Mathlib.LinearAlgebra.CliffordAlgebra.Conjugation import Mathlib.LinearAlgebra.CliffordAlgebra.Star import Mathlib.LinearAlgebra.QuadraticForm.Prod #align_import linear_algebra.clifford_algebra.equivs fr...
Mathlib/LinearAlgebra/CliffordAlgebra/Equivs.lean
182
185
theorem toComplex_comp_ofComplex : toComplex.comp ofComplex = AlgHom.id ℝ ℂ := by
ext1 dsimp only [AlgHom.comp_apply, Subtype.coe_mk, AlgHom.id_apply] rw [ofComplex_I, toComplex_ι, one_smul]
3
20.085537
1
1.4
10
1,508
import Mathlib.MeasureTheory.Integral.Lebesgue import Mathlib.Analysis.MeanInequalities import Mathlib.Analysis.MeanInequalitiesPow import Mathlib.MeasureTheory.Function.SpecialFunctions.Basic #align_import measure_theory.integral.mean_inequalities from "leanprover-community/mathlib"@"13bf7613c96a9fd66a81b9020a82cad9...
Mathlib/MeasureTheory/Integral/MeanInequalities.lean
110
130
theorem lintegral_mul_le_Lp_mul_Lq_of_ne_zero_of_ne_top {p q : ℝ} (hpq : p.IsConjExponent q) {f g : α → ℝ≥0∞} (hf : AEMeasurable f μ) (hf_nontop : (∫⁻ a, f a ^ p ∂μ) ≠ ⊤) (hg_nontop : (∫⁻ a, g a ^ q ∂μ) ≠ ⊤) (hf_nonzero : (∫⁻ a, f a ^ p ∂μ) ≠ 0) (hg_nonzero : (∫⁻ a, g a ^ q ∂μ) ≠ 0) : (∫⁻ a, (f * g) a ∂...
let npf := (∫⁻ c : α, f c ^ p ∂μ) ^ (1 / p) let nqg := (∫⁻ c : α, g c ^ q ∂μ) ^ (1 / q) calc (∫⁻ a : α, (f * g) a ∂μ) = ∫⁻ a : α, (funMulInvSnorm f p μ * funMulInvSnorm g q μ) a * (npf * nqg) ∂μ := by refine lintegral_congr fun a => ?_ rw [Pi.mul_apply, fun_eq_funMulInvSnorm_mul_snorm f h...
16
8,886,110.520508
2
1.4
5
1,491
import Mathlib.CategoryTheory.Limits.Shapes.ZeroMorphisms import Mathlib.CategoryTheory.Limits.Shapes.Kernels import Mathlib.CategoryTheory.Abelian.Basic import Mathlib.CategoryTheory.Subobject.Lattice import Mathlib.Order.Atoms #align_import category_theory.simple from "leanprover-community/mathlib"@"4ed0bcaef698011...
Mathlib/CategoryTheory/Simple.lean
237
248
theorem simple_of_isSimpleOrder_subobject (X : C) [IsSimpleOrder (Subobject X)] : Simple X := by
constructor; intros Y f hf; constructor · intro i rw [Subobject.isIso_iff_mk_eq_top] at i intro w rw [← Subobject.mk_eq_bot_iff_zero] at w exact IsSimpleOrder.bot_ne_top (w.symm.trans i) · intro i rcases IsSimpleOrder.eq_bot_or_eq_top (Subobject.mk f) with (h | h) · rw [Subobject.mk_eq_bo...
11
59,874.141715
2
1.5
8
1,594
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
174
179
theorem coe_bot : (⊥ : YoungDiagram).cells = (∅ : Set (ℕ × ℕ)) := by
refine Set.eq_of_subset_of_subset ?_ ?_ · intros x h simp? [mem_mk, Finset.coe_empty, Set.mem_empty_iff_false] at h says simp only [cells_bot, Finset.coe_empty, Set.mem_empty_iff_false] at h · simp only [cells_bot, Finset.coe_empty, Set.empty_subset]
5
148.413159
2
0.769231
13
683
import Mathlib.Algebra.Homology.ComplexShape import Mathlib.CategoryTheory.Subobject.Limits import Mathlib.CategoryTheory.GradedObject import Mathlib.Algebra.Homology.ShortComplex.Basic #align_import algebra.homology.homological_complex from "leanprover-community/mathlib"@"88bca0ce5d22ebfd9e73e682e51d60ea13b48347" ...
Mathlib/Algebra/Homology/HomologicalComplex.lean
177
182
theorem next_nat_zero : (ComplexShape.down ℕ).next 0 = 0 := by
classical refine dif_neg ?_ push_neg intro apply Nat.noConfusion
5
148.413159
2
1.4
10
1,494
import Mathlib.Combinatorics.SimpleGraph.Clique import Mathlib.Data.ENat.Lattice import Mathlib.Data.Nat.Lattice import Mathlib.Data.Setoid.Partition import Mathlib.Order.Antichain #align_import combinatorics.simple_graph.coloring from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" open ...
Mathlib/Combinatorics/SimpleGraph/Coloring.lean
114
119
theorem Coloring.card_colorClasses_le [Fintype α] [Fintype C.colorClasses] : Fintype.card C.colorClasses ≤ Fintype.card α := by
simp [colorClasses] -- Porting note: brute force instance declaration `[Fintype (Setoid.classes (Setoid.ker C))]` haveI : Fintype (Setoid.classes (Setoid.ker C)) := by assumption convert Setoid.card_classes_ker_le C
4
54.59815
2
2
2
2,377
import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Data.Set.UnionLift #align_import algebra.algebra.subalgebra.basic from "leanprover-community/mathlib"@"b915e9392ecb2a861e1e766f0e1df6ac481188ca" namespace Subalgebra open Algebra variable {R A B : Type*} [CommSemiring R] [Semiring A] [Algebra R A] [...
Mathlib/Algebra/Algebra/Subalgebra/Directed.lean
90
93
theorem iSupLift_mk {i : ι} (x : K i) (hx : (x : A) ∈ T) : iSupLift K dir f hf T hT ⟨x, hx⟩ = f i x := by
dsimp [iSupLift, inclusion] rw [Set.iUnionLift_mk]
2
7.389056
1
0.75
4
678
import Mathlib.Data.Vector.Basic set_option autoImplicit true namespace Vector def snoc : Vector α n → α → Vector α (n+1) := fun xs x => append xs (x ::ᵥ Vector.nil) section Simp variable (xs : Vector α n) @[simp] theorem snoc_cons : (x ::ᵥ xs).snoc y = x ::ᵥ (xs.snoc y) := rfl @[simp] theorem snoc_nil...
Mathlib/Data/Vector/Snoc.lean
54
62
theorem replicate_succ_to_snoc (val : α) : replicate (n+1) val = (replicate n val).snoc val := by
clear xs induction n with | zero => rfl | succ n ih => rw [replicate_succ] conv => rhs; rw [replicate_succ] rw [snoc_cons, ih]
7
1,096.633158
2
1.666667
3
1,811
import Mathlib.Order.Interval.Set.UnorderedInterval import Mathlib.Algebra.Order.Interval.Set.Monoid import Mathlib.Data.Set.Pointwise.Basic import Mathlib.Algebra.Order.Field.Basic import Mathlib.Algebra.Order.Group.MinMax #align_import data.set.pointwise.interval from "leanprover-community/mathlib"@"2196ab363eb097c...
Mathlib/Data/Set/Pointwise/Interval.lean
104
107
theorem Ioi_mul_Ici_subset' (a b : α) : Ioi a * Ici b ⊆ Ioi (a * b) := by
haveI := covariantClass_le_of_lt rintro x ⟨y, hya, z, hzb, rfl⟩ exact mul_lt_mul_of_lt_of_le hya hzb
3
20.085537
1
0.37931
29
381
import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Polynomial.Degree.Lemmas #align_import data.polynomial.erase_lead from "leanprover-community/mathlib"@"fa256f00ce018e7b40e1dc756e403c86680bf448" noncomputable section open Polynomial open Polynomial Finset namespace Polynomial variable {R : Type*}...
Mathlib/Algebra/Polynomial/EraseLead.lean
95
98
theorem lt_natDegree_of_mem_eraseLead_support {a : ℕ} (h : a ∈ (eraseLead f).support) : a < f.natDegree := by
rw [eraseLead_support, mem_erase] at h exact (le_natDegree_of_mem_supp a h.2).lt_of_ne h.1
2
7.389056
1
0.5
14
465
import Mathlib.CategoryTheory.Balanced import Mathlib.CategoryTheory.LiftingProperties.Basic #align_import category_theory.limits.shapes.strong_epi from "leanprover-community/mathlib"@"32253a1a1071173b33dc7d6a218cf722c6feb514" universe v u namespace CategoryTheory variable {C : Type u} [Category.{v} C] variable...
Mathlib/CategoryTheory/Limits/Shapes/StrongEpi.lean
127
135
theorem strongMono_of_strongMono [StrongMono (f ≫ g)] : StrongMono f := { mono := mono_of_mono f g rlp := fun {X Y} z => by intros constructor intro u v sq have h₀ : u ≫ f ≫ g = z ≫ v ≫ g := by
rw [← Category.assoc, eq_whisker sq.w, Category.assoc] exact CommSq.HasLift.mk' ⟨(CommSq.mk h₀).lift, by simp, by simp [← cancel_epi z, sq.w]⟩ }
2
7.389056
1
1.428571
7
1,511
import Mathlib.MeasureTheory.Integral.SetIntegral import Mathlib.MeasureTheory.Measure.Lebesgue.Basic import Mathlib.MeasureTheory.Measure.Haar.Unique #align_import measure_theory.measure.lebesgue.integral from "leanprover-community/mathlib"@"fd5edc43dc4f10b85abfe544b88f82cf13c5f844" open Set Filter MeasureTheory...
Mathlib/MeasureTheory/Measure/Lebesgue/Integral.lean
102
127
theorem integral_comp_abs {f : ℝ → ℝ} : ∫ x, f |x| = 2 * ∫ x in Ioi (0:ℝ), f x := by
have eq : ∫ (x : ℝ) in Ioi 0, f |x| = ∫ (x : ℝ) in Ioi 0, f x := by refine setIntegral_congr measurableSet_Ioi (fun _ hx => ?_) rw [abs_eq_self.mpr (le_of_lt (by exact hx))] by_cases hf : IntegrableOn (fun x => f |x|) (Ioi 0) · have int_Iic : IntegrableOn (fun x ↦ f |x|) (Iic 0) := by rw [← Measure...
24
26,489,122,129.84347
2
1.8
5
1,894
import Mathlib.Data.Real.NNReal import Mathlib.RingTheory.Valuation.Basic noncomputable section open Function Multiplicative open scoped NNReal variable {R : Type*} [Ring R] {Γ₀ : Type*} [LinearOrderedCommGroupWithZero Γ₀] namespace Valuation class RankOne (v : Valuation R Γ₀) where hom : Γ₀ →*₀ ℝ≥0 st...
Mathlib/RingTheory/Valuation/RankOne.lean
67
69
theorem unit_ne_one : unit v ≠ 1 := by
rw [Ne, ← Units.eq_iff, Units.val_one] exact ((nontrivial v).choose_spec ).2
2
7.389056
1
1.5
2
1,589
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section UnusedInput variable {xs : Vector α n} {ys : Vector β n} @[simp]
Mathlib/Data/Vector/MapLemmas.lean
342
347
theorem mapAccumr₂_unused_input_left [Inhabited α] (f : α → β → σ → σ × γ) (h : ∀ a b s, f default b s = f a b s) : mapAccumr₂ f xs ys s = mapAccumr (fun b s => f default b s) ys s := by
induction xs, ys using Vector.revInductionOn₂ generalizing s with | nil => rfl | snoc xs ys x y ih => simp [h x y s, ih]
3
20.085537
1
0.333333
24
337
import Mathlib.Analysis.Seminorm import Mathlib.Topology.Algebra.Equicontinuity import Mathlib.Topology.MetricSpace.Equicontinuity import Mathlib.Topology.Algebra.FilterBasis import Mathlib.Topology.Algebra.Module.LocallyConvex #align_import analysis.locally_convex.with_seminorms from "leanprover-community/mathlib"@"...
Mathlib/Analysis/LocallyConvex/WithSeminorms.lean
121
127
theorem basisSets_add (U) (hU : U ∈ p.basisSets) : ∃ V ∈ p.basisSets, V + V ⊆ U := by
rcases p.basisSets_iff.mp hU with ⟨s, r, hr, hU⟩ use (s.sup p).ball 0 (r / 2) refine ⟨p.basisSets_mem s (div_pos hr zero_lt_two), ?_⟩ refine Set.Subset.trans (ball_add_ball_subset (s.sup p) (r / 2) (r / 2) 0 0) ?_ rw [hU, add_zero, add_halves']
5
148.413159
2
1.272727
11
1,349
import Mathlib.Algebra.Polynomial.Basic #align_import data.polynomial.monomial from "leanprover-community/mathlib"@"220f71ba506c8958c9b41bd82226b3d06b0991e8" noncomputable section namespace Polynomial open Polynomial universe u variable {R : Type u} {a b : R} {m n : ℕ} variable [Semiring R] {p q r : R[X]} th...
Mathlib/Algebra/Polynomial/Monomial.lean
39
56
theorem card_support_le_one_iff_monomial {f : R[X]} : Finset.card f.support ≤ 1 ↔ ∃ n a, f = monomial n a := by
constructor · intro H rw [Finset.card_le_one_iff_subset_singleton] at H rcases H with ⟨n, hn⟩ refine ⟨n, f.coeff n, ?_⟩ ext i by_cases hi : i = n · simp [hi, coeff_monomial] · have : f.coeff i = 0 := by rw [← not_mem_support_iff] exact fun hi' => hi (Finset.mem_singleton...
16
8,886,110.520508
2
1.666667
3
1,753
import Mathlib.Data.Nat.Choose.Basic import Mathlib.Data.Sym.Sym2 namespace List variable {α : Type*} section Sym2 protected def sym2 : List α → List (Sym2 α) | [] => [] | x :: xs => (x :: xs).map (fun y => s(x, y)) ++ xs.sym2 theorem mem_sym2_cons_iff {x : α} {xs : List α} {z : Sym2 α} : z ∈ (x :: xs)...
Mathlib/Data/List/Sym.lean
63
66
theorem right_mem_of_mk_mem_sym2 {xs : List α} {a b : α} (h : s(a, b) ∈ xs.sym2) : b ∈ xs := by
rw [Sym2.eq_swap] at h exact left_mem_of_mk_mem_sym2 h
2
7.389056
1
1.444444
9
1,529
import Mathlib.Algebra.Module.BigOperators import Mathlib.Data.Fintype.BigOperators import Mathlib.LinearAlgebra.AffineSpace.AffineMap import Mathlib.LinearAlgebra.AffineSpace.AffineSubspace import Mathlib.LinearAlgebra.Finsupp import Mathlib.Tactic.FinCases #align_import linear_algebra.affine_space.combination from ...
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
109
118
theorem weightedVSubOfPoint_eq_of_sum_eq_zero (w : ι → k) (p : ι → P) (h : ∑ i ∈ s, w i = 0) (b₁ b₂ : P) : s.weightedVSubOfPoint p b₁ w = s.weightedVSubOfPoint p b₂ w := by
apply eq_of_sub_eq_zero rw [weightedVSubOfPoint_apply, weightedVSubOfPoint_apply, ← sum_sub_distrib] conv_lhs => congr · skip · ext rw [← smul_sub, vsub_sub_vsub_cancel_left] rw [← sum_smul, h, zero_smul]
8
2,980.957987
2
1.083333
12
1,183
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.BigOperators import Mathlib.Algebra.Polynomial.Degree.Lemmas import Mathlib.Algebra.Polynomial.Div #align_import data.polynomial.ring_division from "leanprover-community/mathlib"@"8efcf8022aac8e01df8d302dcebdbc25d6a886c8" noncomputable ...
Mathlib/Algebra/Polynomial/RingDivision.lean
72
80
theorem smul_modByMonic (c : R) (p : R[X]) : c • p %ₘ q = c • (p %ₘ q) := by
by_cases hq : q.Monic · cases' subsingleton_or_nontrivial R with hR hR · simp only [eq_iff_true_of_subsingleton] · exact (div_modByMonic_unique (c • (p /ₘ q)) (c • (p %ₘ q)) hq ⟨by rw [mul_smul_comm, ← smul_add, modByMonic_add_div p hq], (degree_smul_le _ _).trans_lt (degree_mod...
8
2,980.957987
2
1.5
32
1,561
import Mathlib.Analysis.SpecialFunctions.Trigonometric.Arctan import Mathlib.Geometry.Euclidean.Angle.Unoriented.Affine #align_import geometry.euclidean.angle.unoriented.right_angle from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f6dddd2b4f5" noncomputable section open scoped EuclideanGeometry ...
Mathlib/Geometry/Euclidean/Angle/Unoriented/RightAngle.lean
56
59
theorem norm_sub_sq_eq_norm_sq_add_norm_sq_iff_angle_eq_pi_div_two (x y : V) : ‖x - y‖ * ‖x - y‖ = ‖x‖ * ‖x‖ + ‖y‖ * ‖y‖ ↔ angle x y = π / 2 := by
rw [norm_sub_sq_eq_norm_sq_add_norm_sq_iff_real_inner_eq_zero] exact inner_eq_zero_iff_angle_eq_pi_div_two x y
2
7.389056
1
1.5
6
1,630
import Mathlib.Topology.Separation import Mathlib.Topology.NoetherianSpace #align_import topology.quasi_separated from "leanprover-community/mathlib"@"5dc6092d09e5e489106865241986f7f2ad28d4c8" open TopologicalSpace variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] {f : α → β} def IsQuasiSeparate...
Mathlib/Topology/QuasiSeparated.lean
99
103
theorem isQuasiSeparated_iff_quasiSeparatedSpace (s : Set α) (hs : IsOpen s) : IsQuasiSeparated s ↔ QuasiSeparatedSpace s := by
rw [← isQuasiSeparated_univ_iff] convert (hs.openEmbedding_subtype_val.isQuasiSeparated_iff (s := Set.univ)).symm simp
3
20.085537
1
1.4
5
1,482
import Mathlib.Algebra.Polynomial.Degree.Lemmas open Polynomial namespace Mathlib.Tactic.ComputeDegree section recursion_lemmas variable {R : Type*} section semiring variable [Semiring R] theorem natDegree_C_le (a : R) : natDegree (C a) ≤ 0 := (natDegree_C a).le theorem natDegree_natCast_le (n : ℕ) : natDeg...
Mathlib/Tactic/ComputeDegree.lean
150
155
theorem natDegree_eq_of_le_of_coeff_ne_zero' {deg m o : ℕ} {c : R} {p : R[X]} (h_natDeg_le : natDegree p ≤ m) (coeff_eq : coeff p o = c) (coeff_ne_zero : c ≠ 0) (deg_eq_deg : m = deg) (coeff_eq_deg : o = deg) : natDegree p = deg := by
subst coeff_eq deg_eq_deg coeff_eq_deg exact natDegree_eq_of_le_of_coeff_ne_zero ‹_› ‹_›
2
7.389056
1
1.4
5
1,474
import Mathlib.LinearAlgebra.TensorAlgebra.Basic import Mathlib.LinearAlgebra.TensorPower #align_import linear_algebra.tensor_algebra.to_tensor_power from "leanprover-community/mathlib"@"d97a0c9f7a7efe6d76d652c5a6b7c9c634b70e0a" suppress_compilation open scoped DirectSum TensorProduct variable {R M : Type*} [Com...
Mathlib/LinearAlgebra/TensorAlgebra/ToTensorPower.lean
68
72
theorem toTensorAlgebra_galgebra_toFun (r : R) : TensorPower.toTensorAlgebra (DirectSum.GAlgebra.toFun (R := R) (A := fun n => ⨂[R]^n M) r) = algebraMap _ _ r := by
rw [TensorPower.galgebra_toFun_def, TensorPower.algebraMap₀_eq_smul_one, LinearMap.map_smul, TensorPower.toTensorAlgebra_gOne, Algebra.algebraMap_eq_smul_one]
2
7.389056
1
1.5
2
1,619
import Mathlib.CategoryTheory.EqToHom import Mathlib.CategoryTheory.Quotient import Mathlib.Combinatorics.Quiver.Path #align_import category_theory.path_category from "leanprover-community/mathlib"@"c6dd521ebdce53bb372c527569dd7c25de53a08b" universe v₁ v₂ u₁ u₂ namespace CategoryTheory section def Paths (V : ...
Mathlib/CategoryTheory/PathCategory.lean
124
135
theorem ext_functor {C} [Category C] {F G : Paths V ⥤ C} (h_obj : F.obj = G.obj) (h : ∀ (a b : V) (e : a ⟶ b), F.map e.toPath = eqToHom (congr_fun h_obj a) ≫ G.map e.toPath ≫ eqToHom (congr_fun h_obj.symm b)) : F = G := by
fapply Functor.ext · intro X rw [h_obj] · intro X Y f induction' f with Y' Z' g e ih · erw [F.map_id, G.map_id, Category.id_comp, eqToHom_trans, eqToHom_refl] · erw [F.map_comp g (Quiver.Hom.toPath e), G.map_comp g (Quiver.Hom.toPath e), ih, h] simp only [Category.id_comp, eqToHom_refl, eqT...
8
2,980.957987
2
1.75
4
1,866
import Mathlib.Data.Finsupp.Defs #align_import data.finsupp.fin from "leanprover-community/mathlib"@"f7fc89d5d5ff1db2d1242c7bb0e9062ce47ef47c" noncomputable section namespace Finsupp variable {n : ℕ} (i : Fin n) {M : Type*} [Zero M] (y : M) (t : Fin (n + 1) →₀ M) (s : Fin n →₀ M) def tail (s : Fin (n + 1) →₀ ...
Mathlib/Data/Finsupp/Fin.lean
89
92
theorem cons_ne_zero_iff : cons y s ≠ 0 ↔ y ≠ 0 ∨ s ≠ 0 := by
refine ⟨fun h => ?_, fun h => h.casesOn cons_ne_zero_of_left cons_ne_zero_of_right⟩ refine imp_iff_not_or.1 fun h' c => h ?_ rw [h', c, Finsupp.cons_zero_zero]
3
20.085537
1
1.4
5
1,500
import Mathlib.LinearAlgebra.Dual open Function Module variable (R M N : Type*) [CommRing R] [AddCommGroup M] [Module R M] [AddCommGroup N] [Module R N] structure PerfectPairing := toLin : M →ₗ[R] N →ₗ[R] R bijectiveLeft : Bijective toLin bijectiveRight : Bijective toLin.flip attribute [nolint docBlame] P...
Mathlib/LinearAlgebra/PerfectPairing.lean
85
89
theorem apply_apply_toDualRight_symm (x : M) (f : Dual R M) : (p x) (p.toDualRight.symm f) = f x := by
have h := LinearEquiv.apply_symm_apply p.toDualRight f rw [toDualRight_apply] at h exact congrFun (congrArg DFunLike.coe h) x
3
20.085537
1
1
6
845
import Mathlib.Data.Set.Lattice import Mathlib.Order.Directed #align_import data.set.Union_lift from "leanprover-community/mathlib"@"5a4ea8453f128345f73cc656e80a49de2a54f481" variable {α : Type*} {ι β : Sort _} namespace Set section UnionLift @[nolint unusedArguments] noncomputable def iUnionLift (S : ι → Set...
Mathlib/Data/Set/UnionLift.lean
96
100
theorem iUnionLift_const (c : T) (ci : ∀ i, S i) (hci : ∀ i, (ci i : α) = c) (cβ : β) (h : ∀ i, f i (ci i) = cβ) : iUnionLift S f hf T hT c = cβ := by
let ⟨i, hi⟩ := Set.mem_iUnion.1 (hT c.prop) have : ci i = ⟨c, hi⟩ := Subtype.ext (hci i) rw [iUnionLift_of_mem _ hi, ← this, h]
3
20.085537
1
1.4
5
1,503
import Mathlib.Algebra.GCDMonoid.Basic import Mathlib.Data.Multiset.FinsetOps import Mathlib.Data.Multiset.Fold #align_import algebra.gcd_monoid.multiset from "leanprover-community/mathlib"@"f694c7dead66f5d4c80f446c796a5aad14707f0e" namespace Multiset variable {α : Type*} [CancelCommMonoidWithZero α] [NormalizedG...
Mathlib/Algebra/GCDMonoid/Multiset.lean
173
182
theorem gcd_eq_zero_iff (s : Multiset α) : s.gcd = 0 ↔ ∀ x : α, x ∈ s → x = 0 := by
constructor · intro h x hx apply eq_zero_of_zero_dvd rw [← h] apply gcd_dvd hx · refine s.induction_on ?_ ?_ · simp intro a s sgcd h simp [h a (mem_cons_self a s), sgcd fun x hx ↦ h x (mem_cons_of_mem hx)]
9
8,103.083928
2
1.333333
9
1,390
import Mathlib.MeasureTheory.Function.LpSeminorm.Basic import Mathlib.MeasureTheory.Integral.MeanInequalities #align_import measure_theory.function.lp_seminorm from "leanprover-community/mathlib"@"c4015acc0a223449d44061e27ddac1835a3852b9" open Filter open scoped ENNReal Topology namespace MeasureTheory variable ...
Mathlib/MeasureTheory/Function/LpSeminorm/TriangleInequality.lean
87
94
theorem LpAddConst_lt_top (p : ℝ≥0∞) : LpAddConst p < ∞ := by
rw [LpAddConst] split_ifs with h · apply ENNReal.rpow_lt_top_of_nonneg _ ENNReal.two_ne_top simp only [one_div, sub_nonneg] apply one_le_inv (ENNReal.toReal_pos h.1.ne' (h.2.trans ENNReal.one_lt_top).ne) simpa using ENNReal.toReal_mono ENNReal.one_ne_top h.2.le · exact ENNReal.one_lt_top
7
1,096.633158
2
1.5
8
1,656
import Mathlib.Order.Filter.Basic import Mathlib.Order.Filter.CountableInter import Mathlib.SetTheory.Cardinal.Ordinal import Mathlib.SetTheory.Cardinal.Cofinality open Set Filter Cardinal universe u variable {ι : Type u} {α β : Type u} {c : Cardinal.{u}} class CardinalInterFilter (l : Filter α) (c : Cardinal.{...
Mathlib/Order/Filter/CardinalInter.lean
102
105
theorem eventually_cardinal_forall {p : α → ι → Prop} (hic : #ι < c) : (∀ᶠ x in l, ∀ i, p x i) ↔ ∀ i, ∀ᶠ x in l, p x i := by
simp only [Filter.Eventually, setOf_forall] exact cardinal_iInter_mem hic
2
7.389056
1
1
6
1,099
import Mathlib.Algebra.Group.Basic import Mathlib.Algebra.Group.Hom.Defs #align_import algebra.hom.group from "leanprover-community/mathlib"@"a148d797a1094ab554ad4183a4ad6f130358ef64" -- `NeZero` cannot be additivised, hence its theory should be developed outside of the -- `Algebra.Group` folder. assert_not_exists...
Mathlib/Algebra/Group/Hom/Basic.lean
110
113
theorem comp_mul [Mul M] [CommSemigroup N] [CommSemigroup P] (g : N →ₙ* P) (f₁ f₂ : M →ₙ* N) : g.comp (f₁ * f₂) = g.comp f₁ * g.comp f₂ := by
ext simp only [mul_apply, Function.comp_apply, map_mul, coe_comp]
2
7.389056
1
1
2
1,128
import Mathlib.Control.Applicative import Mathlib.Control.Traversable.Basic import Mathlib.Data.List.Forall2 import Mathlib.Data.Set.Functor #align_import control.traversable.instances from "leanprover-community/mathlib"@"18a5306c091183ac90884daa9373fa3b178e8607" universe u v section Option open Functor variab...
Mathlib/Control/Traversable/Instances.lean
47
51
theorem Option.naturality {α β} (f : α → F β) (x : Option α) : η (Option.traverse f x) = Option.traverse (@η _ ∘ f) x := by
-- Porting note: added `ApplicativeTransformation` theorems cases' x with x <;> simp! [*, functor_norm, ApplicativeTransformation.preserves_map, ApplicativeTransformation.preserves_seq, ApplicativeTransformation.preserves_pure]
3
20.085537
1
0.25
4
301
import Mathlib.Algebra.MonoidAlgebra.Support import Mathlib.Algebra.Polynomial.Basic import Mathlib.Algebra.Regular.Basic import Mathlib.Data.Nat.Choose.Sum #align_import data.polynomial.coeff from "leanprover-community/mathlib"@"2651125b48fc5c170ab1111afd0817c903b1fc6c" set_option linter.uppercaseLean3 false no...
Mathlib/Algebra/Polynomial/Coeff.lean
130
134
theorem coeff_mul (p q : R[X]) (n : ℕ) : coeff (p * q) n = ∑ x ∈ antidiagonal n, coeff p x.1 * coeff q x.2 := by
rcases p with ⟨p⟩; rcases q with ⟨q⟩ simp_rw [← ofFinsupp_mul, coeff] exact AddMonoidAlgebra.mul_apply_antidiagonal p q n _ Finset.mem_antidiagonal
3
20.085537
1
1.125
8
1,203
import Mathlib.Algebra.Polynomial.BigOperators import Mathlib.Algebra.Polynomial.Derivative import Mathlib.Data.Nat.Choose.Cast import Mathlib.Data.Nat.Choose.Vandermonde import Mathlib.Tactic.FieldSimp #align_import data.polynomial.hasse_deriv from "leanprover-community/mathlib"@"a148d797a1094ab554ad4183a4ad6f130358...
Mathlib/Algebra/Polynomial/HasseDeriv.lean
93
97
theorem hasseDeriv_eq_zero_of_lt_natDegree (p : R[X]) (n : ℕ) (h : p.natDegree < n) : hasseDeriv n p = 0 := by
rw [hasseDeriv_apply, sum_def] refine Finset.sum_eq_zero fun x hx => ?_ simp [Nat.choose_eq_zero_of_lt ((le_natDegree_of_mem_supp _ hx).trans_lt h)]
3
20.085537
1
1.2
10
1,278
import Mathlib.Algebra.Order.Group.Basic import Mathlib.Algebra.Order.Ring.Abs import Mathlib.Algebra.Order.Ring.Basic import Mathlib.Algebra.Ring.Nat import Mathlib.Data.ZMod.Basic import Mathlib.GroupTheory.OrderOfElement import Mathlib.RingTheory.Fintype import Mathlib.Tactic.IntervalCases #align_import number_the...
Mathlib/NumberTheory/LucasLehmer.lean
148
151
theorem sMod_lt (p : ℕ) (hp : p ≠ 0) (i : ℕ) : sMod p i < 2 ^ p - 1 := by
rw [← sMod_mod] refine (Int.emod_lt _ (mersenne_int_ne_zero p hp)).trans_eq ?_ exact abs_of_nonneg (mersenne_int_pos hp).le
3
20.085537
1
1
7
964
import Mathlib.Algebra.Regular.Basic import Mathlib.LinearAlgebra.Matrix.MvPolynomial import Mathlib.LinearAlgebra.Matrix.Polynomial import Mathlib.RingTheory.Polynomial.Basic #align_import linear_algebra.matrix.adjugate from "leanprover-community/mathlib"@"a99f85220eaf38f14f94e04699943e185a5e1d1a" namespace Matr...
Mathlib/LinearAlgebra/Matrix/Adjugate.lean
173
177
theorem cramer_submatrix_equiv (A : Matrix m m α) (e : n ≃ m) (b : n → α) : cramer (A.submatrix e e) b = cramer A (b ∘ e.symm) ∘ e := by
ext i simp_rw [Function.comp_apply, cramer_apply, updateColumn_submatrix_equiv, det_submatrix_equiv_self e, Function.comp]
3
20.085537
1
1.222222
9
1,297
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
72
75
theorem comp_tfst {α₀ α₁ α₂ β} (f : α₀ → F α₁) (f' : α₁ → G α₂) (x : t α₀ β) : Comp.mk (tfst f' <$> tfst f x) = tfst (Comp.mk ∘ map f' ∘ f) x := by
rw [← comp_bitraverse] simp only [Function.comp, tfst, map_pure, Pure.pure]
2
7.389056
1
0.666667
6
606
import Mathlib.Algebra.MvPolynomial.Funext import Mathlib.Algebra.Ring.ULift import Mathlib.RingTheory.WittVector.Basic #align_import ring_theory.witt_vector.is_poly from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" namespace WittVector universe u variable {p : ℕ} {R S : Type u} {σ id...
Mathlib/RingTheory/WittVector/IsPoly.lean
114
122
theorem poly_eq_of_wittPolynomial_bind_eq' [Fact p.Prime] (f g : ℕ → MvPolynomial (idx × ℕ) ℤ) (h : ∀ n, bind₁ f (wittPolynomial p _ n) = bind₁ g (wittPolynomial p _ n)) : f = g := by
ext1 n apply MvPolynomial.map_injective (Int.castRingHom ℚ) Int.cast_injective rw [← Function.funext_iff] at h replace h := congr_arg (fun fam => bind₁ (MvPolynomial.map (Int.castRingHom ℚ) ∘ fam) (xInTermsOfW p ℚ n)) h simpa only [Function.comp, map_bind₁, map_wittPolynomial, ← bind₁_bind₁, bind₁_wi...
7
1,096.633158
2
2
3
2,029
import Mathlib.Algebra.Quotient import Mathlib.Algebra.Group.Subgroup.Actions import Mathlib.Algebra.Group.Subgroup.MulOpposite import Mathlib.GroupTheory.GroupAction.Basic import Mathlib.SetTheory.Cardinal.Finite #align_import group_theory.coset from "leanprover-community/mathlib"@"f7fc89d5d5ff1db2d1242c7bb0e9062ce4...
Mathlib/GroupTheory/Coset.lean
302
308
theorem leftRel_apply {x y : α} : @Setoid.r _ (leftRel s) x y ↔ x⁻¹ * y ∈ s := calc (∃ a : s.op, y * MulOpposite.unop a = x) ↔ ∃ a : s, y * a = x := s.equivOp.symm.exists_congr_left _ ↔ ∃ a : s, x⁻¹ * y = a⁻¹ := by
simp only [inv_mul_eq_iff_eq_mul, Subgroup.coe_inv, eq_mul_inv_iff_mul_eq] _ ↔ x⁻¹ * y ∈ s := by simp [exists_inv_mem_iff_exists_mem]
2
7.389056
1
0.25
4
295
import Mathlib.Algebra.BigOperators.Finprod import Mathlib.SetTheory.Ordinal.Basic import Mathlib.Topology.ContinuousFunction.Algebra import Mathlib.Topology.Compactness.Paracompact import Mathlib.Topology.ShrinkingLemma import Mathlib.Topology.UrysohnsLemma #align_import topology.partition_of_unity from "leanprover-...
Mathlib/Topology/PartitionOfUnity.lean
297
301
theorem exists_finset_nhd (ρ : PartitionOfUnity ι X univ) (x₀ : X) : ∃ I : Finset ι, ∀ᶠ x in 𝓝 x₀, ∑ i ∈ I, ρ i x = 1 ∧ support (ρ · x) ⊆ I := by
rcases ρ.exists_finset_nhd' x₀ with ⟨I, H⟩ use I rwa [nhdsWithin_univ, ← eventually_and] at H
3
20.085537
1
1.3
10
1,365
import Mathlib.Analysis.SpecialFunctions.ExpDeriv #align_import analysis.ODE.gronwall from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" variable {E : Type*} [NormedAddCommGroup E] [NormedSpace ℝ E] {F : Type*} [NormedAddCommGroup F] [NormedSpace ℝ F] open Metric Set Asymptotics Fil...
Mathlib/Analysis/ODE/Gronwall.lean
86
89
theorem gronwallBound_ε0 (δ K x : ℝ) : gronwallBound δ K 0 x = δ * exp (K * x) := by
by_cases hK : K = 0 · simp only [gronwallBound_K0, hK, zero_mul, exp_zero, add_zero, mul_one] · simp only [gronwallBound_of_K_ne_0 hK, zero_div, zero_mul, add_zero]
3
20.085537
1
1.428571
7
1,514
import Mathlib.Combinatorics.SimpleGraph.Init import Mathlib.Data.Rel import Mathlib.Data.Set.Finite import Mathlib.Data.Sym.Sym2 #align_import combinatorics.simple_graph.basic from "leanprover-community/mathlib"@"3365b20c2ffa7c35e47e5209b89ba9abdddf3ffe" -- Porting note: using `aesop` for automation -- Porting n...
Mathlib/Combinatorics/SimpleGraph/Basic.lean
188
190
theorem ne_of_adj (h : G.Adj a b) : a ≠ b := by
rintro rfl exact G.irrefl h
2
7.389056
1
1
1
1,149
import Mathlib.Topology.Sets.Opens #align_import topology.local_at_target from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open TopologicalSpace Set Filter open Topology Filter variable {α β : Type*} [TopologicalSpace α] [TopologicalSpace β] {f : α → β} variable {s : Set β} {ι : Ty...
Mathlib/Topology/LocalAtTarget.lean
29
34
theorem Set.restrictPreimage_inducing (s : Set β) (h : Inducing f) : Inducing (s.restrictPreimage f) := by
simp_rw [← inducing_subtype_val.of_comp_iff, inducing_iff_nhds, restrictPreimage, MapsTo.coe_restrict, restrict_eq, ← @Filter.comap_comap _ _ _ _ _ f, Function.comp_apply] at h ⊢ intro a rw [← h, ← inducing_subtype_val.nhds_eq_comap]
4
54.59815
2
1.714286
7
1,842
import Mathlib.Algebra.Algebra.Defs import Mathlib.Algebra.Order.Group.Basic import Mathlib.Algebra.Order.Ring.Basic import Mathlib.RingTheory.Localization.Basic import Mathlib.SetTheory.Game.Birthday import Mathlib.SetTheory.Surreal.Basic #align_import set_theory.surreal.dyadic from "leanprover-community/mathlib"@"9...
Mathlib/SetTheory/Surreal/Dyadic.lean
106
109
theorem powHalf_le_one (n : ℕ) : powHalf n ≤ 1 := by
induction' n with n hn · exact le_rfl · exact (powHalf_succ_le_powHalf n).trans hn
3
20.085537
1
0.714286
7
646
import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Data.Finset.NatAntidiagonal import Mathlib.Data.Nat.GCD.Basic import Mathlib.Init.Data.Nat.Lemmas import Mathlib.Logic.Function.Iterate import Mathlib.Tactic.Ring import Mathlib.Tactic.Zify #align_import data.nat.fib from "leanprover-community/mathlib"@"...
Mathlib/Data/Nat/Fib/Basic.lean
135
143
theorem le_fib_self {n : ℕ} (five_le_n : 5 ≤ n) : n ≤ fib n := by
induction' five_le_n with n five_le_n IH ·-- 5 ≤ fib 5 rfl · -- n + 1 ≤ fib (n + 1) for 5 ≤ n rw [succ_le_iff] calc n ≤ fib n := IH _ < fib (n + 1) := fib_lt_fib_succ (le_trans (by decide) five_le_n)
8
2,980.957987
2
1.181818
11
1,246
import Mathlib.Order.UpperLower.Basic import Mathlib.Data.Finset.Preimage #align_import combinatorics.young.young_diagram from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function @[ext] structure YoungDiagram where cells : Finset (ℕ × ℕ) isLowerSet : IsLowerSet (cel...
Mathlib/Combinatorics/Young/YoungDiagram.lean
231
233
theorem transpose_eq_iff {μ ν : YoungDiagram} : μ.transpose = ν.transpose ↔ μ = ν := by
rw [transpose_eq_iff_eq_transpose] simp
2
7.389056
1
0.769231
13
683
import Mathlib.Analysis.Convex.Body import Mathlib.Analysis.Convex.Measure import Mathlib.MeasureTheory.Group.FundamentalDomain #align_import measure_theory.group.geometry_of_numbers from "leanprover-community/mathlib"@"fd5edc43dc4f10b85abfe544b88f82cf13c5f844" namespace MeasureTheory open ENNReal FiniteDimensio...
Mathlib/MeasureTheory/Group/GeometryOfNumbers.lean
92
142
theorem exists_ne_zero_mem_lattice_of_measure_mul_two_pow_le_measure [NormedAddCommGroup E] [NormedSpace ℝ E] [BorelSpace E] [FiniteDimensional ℝ E] [Nontrivial E] [IsAddHaarMeasure μ] {L : AddSubgroup E} [Countable L] [DiscreteTopology L] (fund : IsAddFundamentalDomain L F μ) (h_symm : ∀ x ∈ s, -x ∈ s) (h_...
have h_mes : μ s ≠ 0 := by intro hμ suffices μ F = 0 from fund.measure_ne_zero (NeZero.ne μ) this rw [hμ, le_zero_iff, mul_eq_zero] at h exact h.resolve_right <| pow_ne_zero _ two_ne_zero have h_nemp : s.Nonempty := nonempty_of_measure_ne_zero h_mes let u : ℕ → ℝ≥0 := (exists_seq_strictAnti_tends...
45
34,934,271,057,485,095,000
2
2
3
2,272
import Mathlib.Topology.Algebra.UniformConvergence #align_import topology.algebra.module.strong_topology from "leanprover-community/mathlib"@"8905e5ed90859939681a725b00f6063e65096d95" open scoped Topology UniformConvergence section General variable {𝕜₁ 𝕜₂ : Type*} [NormedField 𝕜₁] [NormedField 𝕜₂] (σ : 𝕜...
Mathlib/Topology/Algebra/Module/StrongTopology.lean
96
101
theorem topologicalSpace_eq [UniformSpace F] [UniformAddGroup F] (𝔖 : Set (Set E)) : instTopologicalSpace σ F 𝔖 = TopologicalSpace.induced DFunLike.coe (UniformOnFun.topologicalSpace E F 𝔖) := by
rw [instTopologicalSpace] congr exact UniformAddGroup.toUniformSpace_eq
3
20.085537
1
1
3
861
import Mathlib.Data.List.OfFn import Mathlib.Data.List.Range #align_import data.list.fin_range from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" universe u open List
Mathlib/Data/List/FinRange.lean
79
82
theorem Equiv.Perm.map_finRange_perm {n : ℕ} (σ : Equiv.Perm (Fin n)) : map σ (finRange n) ~ finRange n := by
rw [perm_ext_iff_of_nodup ((nodup_finRange n).map σ.injective) <| nodup_finRange n] simpa [mem_map, mem_finRange, true_and_iff, iff_true_iff] using σ.surjective
2
7.389056
1
1.125
8
1,204
import Mathlib.CategoryTheory.Types import Mathlib.CategoryTheory.Functor.EpiMono import Mathlib.CategoryTheory.Limits.Constructions.EpiMono #align_import category_theory.concrete_category.basic from "leanprover-community/mathlib"@"311ef8c4b4ae2804ea76b8a611bc5ea1d9c16872" universe w w' v v' v'' u u' u'' namespa...
Mathlib/CategoryTheory/ConcreteCategory/Basic.lean
106
110
theorem ConcreteCategory.hom_ext {X Y : C} (f g : X ⟶ Y) (w : ∀ x : X, f x = g x) : f = g := by
apply (forget C).map_injective dsimp [forget] funext x exact w x
4
54.59815
2
2
1
2,104
import Mathlib.Probability.Kernel.MeasurableIntegral #align_import probability.kernel.composition from "leanprover-community/mathlib"@"3b92d54a05ee592aa2c6181a4e76b1bb7cc45d0b" open MeasureTheory open scoped ENNReal namespace ProbabilityTheory namespace kernel variable {α β ι : Type*} {mα : MeasurableSpace α}...
Mathlib/Probability/Kernel/Composition.lean
93
96
theorem compProdFun_empty (κ : kernel α β) (η : kernel (α × β) γ) (a : α) : compProdFun κ η a ∅ = 0 := by
simp only [compProdFun, Set.mem_empty_iff_false, Set.setOf_false, measure_empty, MeasureTheory.lintegral_const, zero_mul]
2
7.389056
1
1.166667
6
1,242
import Mathlib.RingTheory.DedekindDomain.Ideal import Mathlib.RingTheory.IsAdjoinRoot #align_import number_theory.kummer_dedekind from "leanprover-community/mathlib"@"65a1391a0106c9204fe45bc73a039f056558cb83" variable (R : Type*) {S : Type*} [CommRing R] [CommRing S] [Algebra R S] open Ideal Polynomial DoubleQuo...
Mathlib/NumberTheory/KummerDedekind.lean
119
148
theorem prod_mem_ideal_map_of_mem_conductor {p : R} {z : S} (hp : p ∈ Ideal.comap (algebraMap R S) (conductor R x)) (hz' : z ∈ I.map (algebraMap R S)) : algebraMap R S p * z ∈ algebraMap R<x> S '' ↑(I.map (algebraMap R R<x>)) := by
rw [Ideal.map, Ideal.span, Finsupp.mem_span_image_iff_total] at hz' obtain ⟨l, H, H'⟩ := hz' rw [Finsupp.total_apply] at H' rw [← H', mul_comm, Finsupp.sum_mul] have lem : ∀ {a : R}, a ∈ I → l a • algebraMap R S a * algebraMap R S p ∈ algebraMap R<x> S '' I.map (algebraMap R R<x>) := by intro a ha ...
27
532,048,240,601.79865
2
1.333333
3
1,421
import Batteries.Tactic.SeqFocus import Batteries.Data.List.Lemmas import Batteries.Data.List.Init.Attach namespace Std.Range def numElems (r : Range) : Nat := if r.step = 0 then -- This is a very weird choice, but it is chosen to coincide with the `forIn` impl if r.stop ≤ r.start then 0 else r.stop els...
.lake/packages/batteries/Batteries/Data/Range/Lemmas.lean
94
107
theorem forIn_eq_forIn_range' [Monad m] (r : Std.Range) (init : β) (f : Nat → β → m (ForInStep β)) : forIn r init f = forIn (List.range' r.start r.numElems r.step) init f := by
refine Eq.trans ?_ <| (forIn'_eq_forIn_range' r init (fun x _ => f x)).trans ?_ · simp [forIn, forIn', Range.forIn, Range.forIn'] suffices ∀ fuel i hl b, forIn'.loop r.start r.stop r.step (fun x _ => f x) fuel i hl b = forIn.loop f fuel i r.stop r.step b from (this _ ..).symm intro fuel; induction ...
11
59,874.141715
2
1.5
4
1,541
import Mathlib.MeasureTheory.Integral.Lebesgue #align_import measure_theory.measure.giry_monad from "leanprover-community/mathlib"@"56f4cd1ef396e9fd389b5d8371ee9ad91d163625" noncomputable section open scoped Classical open ENNReal open scoped Classical open Set Filter variable {α β : Type*} namespace MeasureT...
Mathlib/MeasureTheory/Measure/GiryMonad.lean
118
120
theorem join_zero : (0 : Measure (Measure α)).join = 0 := by
ext1 s hs simp only [hs, join_apply, lintegral_zero_measure, coe_zero, Pi.zero_apply]
2
7.389056
1
1.4
5
1,497
import Mathlib.Data.Set.Subsingleton import Mathlib.Order.WithBot #align_import data.set.image from "leanprover-community/mathlib"@"001ffdc42920050657fd45bd2b8bfbec8eaaeb29" universe u v open Function Set namespace Set variable {α β γ : Type*} {ι ι' : Sort*} section Preimage variable {f : α → β} {g : β → γ...
Mathlib/Data/Set/Image.lean
157
159
theorem preimage_iterate_eq {f : α → α} {n : ℕ} : Set.preimage f^[n] = (Set.preimage f)^[n] := by
induction' n with n ih; · simp rw [iterate_succ, iterate_succ', preimage_comp_eq, ih]
2
7.389056
1
0.666667
15
590
import Mathlib.Algebra.Group.Subgroup.Basic import Mathlib.Algebra.Order.Archimedean import Mathlib.Data.Set.Lattice #align_import group_theory.archimedean from "leanprover-community/mathlib"@"f93c11933efbc3c2f0299e47b8ff83e9b539cbf6" open Set variable {G : Type*} [LinearOrderedAddCommGroup G] [Archimedean G] th...
Mathlib/GroupTheory/Archimedean.lean
91
95
theorem AddSubgroup.cyclic_of_isolated_zero {H : AddSubgroup G} {a : G} (h₀ : 0 < a) (hd : Disjoint (H : Set G) (Ioo 0 a)) : ∃ b, H = closure {b} := by
rcases eq_or_ne H ⊥ with rfl | hbot · exact ⟨0, closure_singleton_zero.symm⟩ · exact (exists_isLeast_pos hbot h₀ hd).imp fun _ => cyclic_of_min
3
20.085537
1
1.666667
3
1,776
import Mathlib.NumberTheory.LegendreSymbol.QuadraticChar.Basic #align_import number_theory.legendre_symbol.basic from "leanprover-community/mathlib"@"5b2fe80501ff327b9109fb09b7cc8c325cd0d7d9" open Nat section Euler namespace ZMod variable (p : ℕ) [Fact p.Prime] theorem euler_criterion_units (x : (ZMod p)ˣ) :...
Mathlib/NumberTheory/LegendreSymbol/Basic.lean
61
70
theorem euler_criterion {a : ZMod p} (ha : a ≠ 0) : IsSquare (a : ZMod p) ↔ a ^ (p / 2) = 1 := by
apply (iff_congr _ (by simp [Units.ext_iff])).mp (euler_criterion_units p (Units.mk0 a ha)) simp only [Units.ext_iff, sq, Units.val_mk0, Units.val_mul] constructor · rintro ⟨y, hy⟩; exact ⟨y, hy.symm⟩ · rintro ⟨y, rfl⟩ have hy : y ≠ 0 := by rintro rfl simp [zero_pow, mul_zero, ne_eq, not_true...
9
8,103.083928
2
1
11
839
import Mathlib.RingTheory.WittVector.Frobenius import Mathlib.RingTheory.WittVector.Verschiebung import Mathlib.RingTheory.WittVector.MulP #align_import ring_theory.witt_vector.identities from "leanprover-community/mathlib"@"0798037604b2d91748f9b43925fb7570a5f3256c" namespace WittVector variable {p : ℕ} {R : Typ...
Mathlib/RingTheory/WittVector/Identities.lean
42
47
theorem frobenius_verschiebung (x : 𝕎 R) : frobenius (verschiebung x) = x * p := by
have : IsPoly p fun {R} [CommRing R] x ↦ frobenius (verschiebung x) := IsPoly.comp (hg := frobenius_isPoly p) (hf := verschiebung_isPoly) have : IsPoly p fun {R} [CommRing R] x ↦ x * p := mulN_isPoly p p ghost_calc x ghost_simp [mul_comm]
5
148.413159
2
1
13
1,103
import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral import Mathlib.Analysis.Complex.CauchyIntegral import Mathlib.MeasureTheory.Integral.Pi import Mathlib.Analysis.Fourier.FourierTransform open Real Set MeasureTheory Filter Asymptotics intervalIntegral open scoped Real Topology FourierTransform Re...
Mathlib/Analysis/SpecialFunctions/Gaussian/FourierTransform.lean
51
55
theorem norm_cexp_neg_mul_sq_add_mul_I (b : ℂ) (c T : ℝ) : ‖cexp (-b * (T + c * I) ^ 2)‖ = exp (-(b.re * T ^ 2 - 2 * b.im * c * T - b.re * c ^ 2)) := by
rw [Complex.norm_eq_abs, Complex.abs_exp, neg_mul, neg_re, ← re_add_im b] simp only [sq, re_add_im, mul_re, mul_im, add_re, add_im, ofReal_re, ofReal_im, I_re, I_im] ring_nf
3
20.085537
1
1.8
5
1,904
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
126
128
theorem tendsto_rpow_neg_div : Tendsto (fun x => x ^ (-(1 : ℝ) / x)) atTop (𝓝 1) := by
convert tendsto_rpow_div_mul_add (-(1 : ℝ)) _ (0 : ℝ) zero_ne_one ring
2
7.389056
1
1.5
10
1,605
import Mathlib.Algebra.Group.Equiv.Basic import Mathlib.Algebra.Group.Aut import Mathlib.Data.ZMod.Defs import Mathlib.Tactic.Ring #align_import algebra.quandle from "leanprover-community/mathlib"@"28aa996fc6fb4317f0083c4e6daf79878d81be33" open MulOpposite universe u v class Shelf (α : Type u) where act : ...
Mathlib/Algebra/Quandle.lean
293
297
theorem self_act_invAct_eq {x y : R} : (x ◃ x) ◃⁻¹ y = x ◃⁻¹ y := by
rw [← left_cancel (x ◃ x)] rw [right_inv] rw [self_act_act_eq] rw [right_inv]
4
54.59815
2
1.285714
7
1,357
import Mathlib.Geometry.Manifold.ContMDiff.Basic open Set ChartedSpace SmoothManifoldWithCorners open scoped Manifold variable {𝕜 : Type*} [NontriviallyNormedField 𝕜] -- declare a smooth manifold `M` over the pair `(E, H)`. {E : Type*} [NormedAddCommGroup E] [NormedSpace 𝕜 E] {H : Type*} [TopologicalSpace...
Mathlib/Geometry/Manifold/ContMDiff/Atlas.lean
105
110
theorem contMDiffOn_extend_symm (he : e ∈ maximalAtlas I M) : ContMDiffOn 𝓘(𝕜, E) I n (e.extend I).symm (I '' e.target) := by
refine (contMDiffOn_symm_of_mem_maximalAtlas he).comp (contMDiffOn_model_symm.mono <| image_subset_range _ _) ?_ simp_rw [image_subset_iff, PartialEquiv.restr_coe_symm, I.toPartialEquiv_coe_symm, preimage_preimage, I.left_inv, preimage_id']; rfl
4
54.59815
2
1.75
4
1,863
import Mathlib.LinearAlgebra.QuadraticForm.IsometryEquiv #align_import linear_algebra.quadratic_form.prod from "leanprover-community/mathlib"@"9b2755b951bc323c962bd072cd447b375cf58101" universe u v w variable {ι : Type*} {R : Type*} {M₁ M₂ N₁ N₂ : Type*} {Mᵢ Nᵢ : ι → Type*} namespace QuadraticForm section Pro...
Mathlib/LinearAlgebra/QuadraticForm/Prod.lean
313
325
theorem anisotropic_of_pi [Fintype ι] {R} [OrderedCommRing R] [∀ i, Module R (Mᵢ i)] {Q : ∀ i, QuadraticForm R (Mᵢ i)} (h : (pi Q).Anisotropic) : ∀ i, (Q i).Anisotropic := by
simp_rw [Anisotropic, pi_apply, Function.funext_iff, Pi.zero_apply] at h intro i x hx classical have := h (Pi.single i x) ?_ i · rw [Pi.single_eq_same] at this exact this apply Finset.sum_eq_zero intro j _ by_cases hji : j = i · subst hji; rw [Pi.single_eq_same, hx] · rw [Pi.single_eq_of_ne hji...
11
59,874.141715
2
1.833333
6
1,914
import Mathlib.SetTheory.Ordinal.Arithmetic import Mathlib.SetTheory.Ordinal.Exponential #align_import set_theory.ordinal.cantor_normal_form from "leanprover-community/mathlib"@"991ff3b5269848f6dd942ae8e9dd3c946035dc8b" noncomputable section universe u open List namespace Ordinal @[elab_as_elim] noncomputabl...
Mathlib/SetTheory/Ordinal/CantorNormalForm.lean
150
158
theorem CNF_snd_lt {b o : Ordinal.{u}} (hb : 1 < b) {x : Ordinal × Ordinal} : x ∈ CNF b o → x.2 < b := by
refine CNFRec b ?_ (fun o ho IH ↦ ?_) o · simp only [CNF_zero, not_mem_nil, IsEmpty.forall_iff] · rw [CNF_ne_zero ho] intro h cases' (mem_cons.mp h) with h h · rw [h]; simpa only using div_opow_log_lt o hb · exact IH h
7
1,096.633158
2
0.888889
9
775
import Mathlib.Data.Rat.Cast.Defs import Mathlib.Algebra.Field.Basic #align_import data.rat.cast from "leanprover-community/mathlib"@"acebd8d49928f6ed8920e502a6c90674e75bd441" namespace Rat variable {α : Type*} [DivisionRing α] -- Porting note: rewrote proof @[simp] theorem cast_inv_nat (n : ℕ) : ((n⁻¹ : ℚ) : α...
Mathlib/Data/Rat/Cast/Lemmas.lean
37
40
theorem cast_inv_int (n : ℤ) : ((n⁻¹ : ℚ) : α) = (n : α)⁻¹ := by
cases' n with n n · simp [ofInt_eq_cast, cast_inv_nat] · simp only [ofInt_eq_cast, Int.cast_negSucc, ← Nat.cast_succ, cast_neg, inv_neg, cast_inv_nat]
3
20.085537
1
1.333333
6
1,436
import Mathlib.Data.Finsupp.Multiset import Mathlib.Data.Nat.GCD.BigOperators import Mathlib.Data.Nat.PrimeFin import Mathlib.NumberTheory.Padics.PadicVal import Mathlib.Order.Interval.Finset.Nat #align_import data.nat.factorization.basic from "leanprover-community/mathlib"@"f694c7dead66f5d4c80f446c796a5aad14707f0e" ...
Mathlib/Data/Nat/Factorization/Basic.lean
99
102
theorem factorization_prod_pow_eq_self {n : ℕ} (hn : n ≠ 0) : n.factorization.prod (· ^ ·) = n := by
rw [factorization_eq_factors_multiset n] simp only [← prod_toMultiset, factorization, Multiset.prod_coe, Multiset.toFinsupp_toMultiset] exact prod_factors hn
3
20.085537
1
0.4
10
388
import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Data.Rat.Denumerable import Mathlib.Data.Set.Pointwise.Interval import Mathlib.SetTheory.Cardinal.Continuum #align_import data.real.cardinality from "leanprover-community/mathlib"@"7e7aaccf9b0182576cabdde36cf1b5ad3585b70d" open Nat Set open Cardinal no...
Mathlib/Data/Real/Cardinality.lean
105
110
theorem cantorFunction_le (h1 : 0 ≤ c) (h2 : c < 1) (h3 : ∀ n, f n → g n) : cantorFunction c f ≤ cantorFunction c g := by
apply tsum_le_tsum _ (summable_cantor_function f h1 h2) (summable_cantor_function g h1 h2) intro n; cases h : f n · simp [h, cantorFunctionAux_nonneg h1] replace h3 : g n = true := h3 n h; simp [h, h3]
4
54.59815
2
0.909091
11
786
import Mathlib.Order.Filter.Germ import Mathlib.Topology.NhdsSet import Mathlib.Topology.LocallyConstant.Basic import Mathlib.Analysis.NormedSpace.Basic variable {F G : Type*} [NormedAddCommGroup F] [NormedSpace ℝ F] [NormedAddCommGroup G] [NormedSpace ℝ G] open scoped Topology open Filter Set variable {X Y Z ...
Mathlib/Topology/Germ.lean
112
115
theorem forall_restrictGermPredicate_iff {P : ∀ x : X, Germ (𝓝 x) Y → Prop} : (∀ x, RestrictGermPredicate P A x f) ↔ ∀ᶠ x in 𝓝ˢ A, P x f := by
rw [eventually_nhdsSet_iff_forall] rfl
2
7.389056
1
1.666667
3
1,810
import Mathlib.Topology.Semicontinuous import Mathlib.MeasureTheory.Function.AEMeasurableSequence import Mathlib.MeasureTheory.Order.Lattice import Mathlib.Topology.Order.Lattice import Mathlib.MeasureTheory.Constructions.BorelSpace.Basic #align_import measure_theory.constructions.borel_space.basic from "leanprover-c...
Mathlib/MeasureTheory/Constructions/BorelSpace/Order.lean
81
92
theorem borel_eq_generateFrom_Iic : borel α = MeasurableSpace.generateFrom (range Iic) := by
rw [borel_eq_generateFrom_Ioi] refine le_antisymm ?_ ?_ · refine MeasurableSpace.generateFrom_le fun t ht => ?_ obtain ⟨u, rfl⟩ := ht rw [← compl_Iic] exact (MeasurableSpace.measurableSet_generateFrom (mem_range.mpr ⟨u, rfl⟩)).compl · refine MeasurableSpace.generateFrom_le fun t ht => ?_ obtain...
10
22,026.465795
2
2
2
1,995
import Mathlib.Algebra.Order.Monoid.Unbundled.Basic #align_import algebra.order.monoid.min_max from "leanprover-community/mathlib"@"de87d5053a9fe5cbde723172c0fb7e27e7436473" open Function variable {α β : Type*} section CovariantClassMulLe variable [LinearOrder α] section Mul variable [Mul α] @[to_additive...
Mathlib/Algebra/Order/Monoid/Unbundled/MinMax.lean
99
103
theorem le_or_lt_of_mul_le_mul [CovariantClass α α (· * ·) (· ≤ ·)] [CovariantClass α α (Function.swap (· * ·)) (· < ·)] {a₁ a₂ b₁ b₂ : α} : a₁ * b₁ ≤ a₂ * b₂ → a₁ ≤ a₂ ∨ b₁ < b₂ := by
contrapose! exact fun h => mul_lt_mul_of_lt_of_le h.1 h.2
2
7.389056
1
1.2
5
1,252
import Mathlib.Tactic.Ring import Mathlib.Data.PNat.Prime #align_import data.pnat.xgcd from "leanprover-community/mathlib"@"6afc9b06856ad973f6a2619e3e8a0a8d537a58f2" open Nat namespace PNat structure XgcdType where wp : ℕ x : ℕ y : ℕ zp : ℕ ap : ℕ bp : ℕ deriving Inhabited #alig...
Mathlib/Data/PNat/Xgcd.lean
222
224
theorem flip_isSpecial : (flip u).IsSpecial ↔ u.IsSpecial := by
dsimp [IsSpecial, flip] rw [mul_comm u.x, mul_comm u.zp, add_comm u.zp]
2
7.389056
1
1
4
924
import Mathlib.Analysis.Complex.AbsMax import Mathlib.Analysis.Asymptotics.SuperpolynomialDecay #align_import analysis.complex.phragmen_lindelof from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Function Filter Asymptotics Metric Complex Bornology open scoped Topology Filter R...
Mathlib/Analysis/Complex/PhragmenLindelof.lean
63
74
theorem isBigO_sub_exp_exp {a : ℝ} {f g : ℂ → E} {l : Filter ℂ} {u : ℂ → ℝ} (hBf : ∃ c < a, ∃ B, f =O[l] fun z => expR (B * expR (c * |u z|))) (hBg : ∃ c < a, ∃ B, g =O[l] fun z => expR (B * expR (c * |u z|))) : ∃ c < a, ∃ B, (f - g) =O[l] fun z => expR (B * expR (c * |u z|)) := by
have : ∀ {c₁ c₂ B₁ B₂}, c₁ ≤ c₂ → 0 ≤ B₂ → B₁ ≤ B₂ → ∀ z, ‖expR (B₁ * expR (c₁ * |u z|))‖ ≤ ‖expR (B₂ * expR (c₂ * |u z|))‖ := fun hc hB₀ hB z ↦ by simp only [Real.norm_eq_abs, Real.abs_exp]; gcongr rcases hBf with ⟨cf, hcf, Bf, hOf⟩; rcases hBg with ⟨cg, hcg, Bg, hOg⟩ refine ⟨max cf cg, max_lt hcf hcg...
8
2,980.957987
2
2
3
2,267
import Mathlib.Dynamics.Ergodic.MeasurePreserving import Mathlib.LinearAlgebra.Determinant import Mathlib.LinearAlgebra.Matrix.Diagonal import Mathlib.LinearAlgebra.Matrix.Transvection import Mathlib.MeasureTheory.Group.LIntegral import Mathlib.MeasureTheory.Integral.Marginal import Mathlib.MeasureTheory.Measure.Stiel...
Mathlib/MeasureTheory/Measure/Lebesgue/Basic.lean
624
653
theorem ae_restrict_of_ae_restrict_inter_Ioo {μ : Measure ℝ} [NoAtoms μ] {s : Set ℝ} {p : ℝ → Prop} (h : ∀ a b, a ∈ s → b ∈ s → a < b → ∀ᵐ x ∂μ.restrict (s ∩ Ioo a b), p x) : ∀ᵐ x ∂μ.restrict s, p x := by
/- By second-countability, we cover `s` by countably many intervals `(a, b)` (except maybe for two endpoints, which don't matter since `μ` does not have any atom). -/ let T : s × s → Set ℝ := fun p => Ioo p.1 p.2 let u := ⋃ i : ↥s × ↥s, T i have hfinite : (s \ u).Finite := s.finite_diff_iUnion_Ioo' obtai...
27
532,048,240,601.79865
2
0.909091
22
790
import Mathlib.GroupTheory.Perm.Cycle.Basic #align_import group_theory.perm.cycle.basic from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" open Equiv Function Finset variable {ι α β : Type*} namespace Equiv.Perm section Generation variable [Finite β] open Subgroup theorem closure...
Mathlib/GroupTheory/Perm/Closure.lean
46
93
theorem closure_cycle_adjacent_swap {σ : Perm α} (h1 : IsCycle σ) (h2 : σ.support = ⊤) (x : α) : closure ({σ, swap x (σ x)} : Set (Perm α)) = ⊤ := by
let H := closure ({σ, swap x (σ x)} : Set (Perm α)) have h3 : σ ∈ H := subset_closure (Set.mem_insert σ _) have h4 : swap x (σ x) ∈ H := subset_closure (Set.mem_insert_of_mem _ (Set.mem_singleton _)) have step1 : ∀ n : ℕ, swap ((σ ^ n) x) ((σ ^ (n + 1) : Perm α) x) ∈ H := by intro n induction' n with n...
46
94,961,194,206,024,480,000
2
2
4
2,314
import Mathlib.Analysis.SpecialFunctions.PolarCoord import Mathlib.Analysis.SpecialFunctions.Gamma.Basic open Real Set MeasureTheory MeasureTheory.Measure section real
Mathlib/MeasureTheory/Integral/Gamma.lean
21
37
theorem integral_rpow_mul_exp_neg_rpow {p q : ℝ} (hp : 0 < p) (hq : - 1 < q) : ∫ x in Ioi (0:ℝ), x ^ q * exp (- x ^ p) = (1 / p) * Gamma ((q + 1) / p) := by
calc _ = ∫ (x : ℝ) in Ioi 0, (1 / p * x ^ (1 / p - 1)) • ((x ^ (1 / p)) ^ q * exp (-x)) := by rw [← integral_comp_rpow_Ioi _ (one_div_ne_zero (ne_of_gt hp)), abs_eq_self.mpr (le_of_lt (one_div_pos.mpr hp))] refine setIntegral_congr measurableSet_Ioi (fun _ hx => ?_) rw [← rpow_mul (le_...
15
3,269,017.372472
2
1.5
4
1,616
import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Data.Setoid.Basic import Mathlib.Dynamics.FixedPoints.Topology import Mathlib.Topology.MetricSpace.Lipschitz #align_import topology.metric_space.contracting from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open scoped Classi...
Mathlib/Topology/MetricSpace/Contracting.lean
84
87
theorem eq_or_edist_eq_top_of_fixedPoints (hf : ContractingWith K f) {x y} (hx : IsFixedPt f x) (hy : IsFixedPt f y) : x = y ∨ edist x y = ∞ := by
refine or_iff_not_imp_right.2 fun h ↦ edist_le_zero.1 ?_ simpa only [hx.eq, edist_self, add_zero, ENNReal.zero_div] using hf.edist_le_of_fixedPoint h hy
2
7.389056
1
0.6
5
531
import Mathlib.Topology.MetricSpace.HausdorffDistance #align_import topology.metric_space.hausdorff_distance from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" noncomputable section open NNReal ENNReal Topology Set Filter Bornology universe u v w variable {ι : Sort*} {α : Type u} {β :...
Mathlib/Topology/MetricSpace/Thickening.lean
271
275
theorem closedBall_subset_cthickening_singleton {α : Type*} [PseudoMetricSpace α] (x : α) (δ : ℝ) : closedBall x δ ⊆ cthickening δ ({x} : Set α) := by
rcases lt_or_le δ 0 with (hδ | hδ) · simp only [closedBall_eq_empty.mpr hδ, empty_subset] · simp only [cthickening_singleton x hδ, Subset.rfl]
3
20.085537
1
0.777778
9
686
import Mathlib.Algebra.Order.Ring.Nat import Mathlib.Algebra.Order.Monoid.WithTop #align_import data.nat.with_bot from "leanprover-community/mathlib"@"966e0cf0685c9cedf8a3283ac69eef4d5f2eaca2" namespace Nat namespace WithBot instance : WellFoundedRelation (WithBot ℕ) where rel := (· < ·) wf := IsWellFounde...
Mathlib/Data/Nat/WithBot.lean
35
40
theorem add_eq_one_iff {n m : WithBot ℕ} : n + m = 1 ↔ n = 0 ∧ m = 1 ∨ n = 1 ∧ m = 0 := by
rcases n, m with ⟨_ | _, _ | _⟩ repeat refine ⟨fun h => Option.noConfusion h, fun h => ?_⟩; aesop (simp_config := { decide := true }) repeat erw [WithBot.coe_eq_coe] exact Nat.add_eq_one_iff
5
148.413159
2
1.857143
7
1,928
import Mathlib.LinearAlgebra.Projectivization.Basic #align_import linear_algebra.projective_space.subspace from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" variable (K V : Type*) [Field K] [AddCommGroup V] [Module K V] namespace Projectivization open scoped LinearAlgebra.Projectivi...
Mathlib/LinearAlgebra/Projectivization/Subspace.lean
155
158
theorem span_univ : span (Set.univ : Set (ℙ K V)) = ⊤ := by
rw [eq_top_iff, SetLike.le_def] intro x _hx exact subset_span _ (Set.mem_univ x)
3
20.085537
1
1
1
934
import Mathlib.Order.Interval.Finset.Nat import Mathlib.Data.PNat.Defs #align_import data.pnat.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset Function PNat namespace PNat variable (a b : ℕ+) instance instLocallyFiniteOrder : LocallyFiniteOrder ℕ+ := Subtype....
Mathlib/Data/PNat/Interval.lean
94
99
theorem card_Ioo : (Ioo a b).card = b - a - 1 := by
rw [← Nat.card_Ioo] -- Porting note: I had to change this to `erw` *and* provide the proof, yuck. -- https://github.com/leanprover-community/mathlib4/issues/5164 erw [← Finset.map_subtype_embedding_Ioo _ a b (fun c x _ hx _ hc _ => hc.trans_le hx)] rw [card_map]
5
148.413159
2
1
8
948
import Mathlib.Analysis.Convex.Between import Mathlib.Analysis.Convex.Jensen import Mathlib.Analysis.Convex.Topology import Mathlib.Analysis.Normed.Group.Pointwise import Mathlib.Analysis.NormedSpace.AddTorsor #align_import analysis.convex.normed from "leanprover-community/mathlib"@"a63928c34ec358b5edcda2bf7513c50052...
Mathlib/Analysis/Convex/Normed.lean
75
80
theorem Convex.cthickening (hs : Convex ℝ s) (δ : ℝ) : Convex ℝ (cthickening δ s) := by
obtain hδ | hδ := le_total 0 δ · rw [cthickening_eq_iInter_thickening hδ] exact convex_iInter₂ fun _ _ => hs.thickening _ · rw [cthickening_of_nonpos hδ] exact hs.closure
5
148.413159
2
0.818182
11
721
import Mathlib.Algebra.Polynomial.Degree.Definitions import Mathlib.Data.ENat.Basic #align_import data.polynomial.degree.trailing_degree from "leanprover-community/mathlib"@"302eab4f46abb63de520828de78c04cb0f9b5836" noncomputable section open Function Polynomial Finsupp Finset open scoped Polynomial namespace ...
Mathlib/Algebra/Polynomial/Degree/TrailingDegree.lean
148
151
theorem natTrailingDegree_eq_of_trailingDegree_eq [Semiring S] {q : S[X]} (h : trailingDegree p = trailingDegree q) : natTrailingDegree p = natTrailingDegree q := by
unfold natTrailingDegree rw [h]
2
7.389056
1
1.666667
6
1,754
import Batteries.Data.Array.Lemmas namespace ByteArray @[ext] theorem ext : {a b : ByteArray} → a.data = b.data → a = b | ⟨_⟩, ⟨_⟩, rfl => rfl theorem getElem_eq_data_getElem (a : ByteArray) (h : i < a.size) : a[i] = a.data[i] := rfl @[simp] theorem uset_eq_set (a : ByteArray) {i : USize} (h : i.toNat < a.size...
.lake/packages/batteries/Batteries/Data/ByteArray.lean
102
105
theorem get_extract_aux {a : ByteArray} {start stop} (h : i < (a.extract start stop).size) : start + i < a.size := by
apply Nat.add_lt_of_lt_sub'; apply Nat.lt_of_lt_of_le h rw [size_extract, ← Nat.sub_min_sub_right]; exact Nat.min_le_right ..
2
7.389056
1
0.25
4
286
import Mathlib.CategoryTheory.Subobject.Lattice #align_import category_theory.subobject.limits from "leanprover-community/mathlib"@"956af7c76589f444f2e1313911bad16366ea476d" universe v u noncomputable section open CategoryTheory CategoryTheory.Category CategoryTheory.Limits CategoryTheory.Subobject Opposite var...
Mathlib/CategoryTheory/Subobject/Limits.lean
134
137
theorem factorThruKernelSubobject_comp_arrow {W : C} (h : W ⟶ X) (w : h ≫ f = 0) : factorThruKernelSubobject f h w ≫ (kernelSubobject f).arrow = h := by
dsimp [factorThruKernelSubobject] simp
2
7.389056
1
0.263158
19
308
import Mathlib.Algebra.Order.Hom.Ring import Mathlib.Algebra.Order.Pointwise import Mathlib.Analysis.SpecialFunctions.Pow.Real #align_import algebra.order.complete_field from "leanprover-community/mathlib"@"0b9eaaa7686280fad8cce467f5c3c57ee6ce77f8" variable {F α β γ : Type*} noncomputable section open Function ...
Mathlib/Algebra/Order/CompleteField.lean
121
127
theorem cutMap_self (a : α) : cutMap α a = Iio a ∩ range (Rat.cast : ℚ → α) := by
ext constructor · rintro ⟨q, h, rfl⟩ exact ⟨h, q, rfl⟩ · rintro ⟨h, q, rfl⟩ exact ⟨q, h, rfl⟩
6
403.428793
2
2
1
2,204
import Mathlib.Analysis.Complex.CauchyIntegral import Mathlib.Analysis.Calculus.FDeriv.Analytic import Mathlib.Analysis.NormedSpace.Completion #align_import analysis.complex.liouville from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open TopologicalSpace Metric Set Filter Asymptotics ...
Mathlib/Analysis/Complex/Liouville.lean
45
50
theorem deriv_eq_smul_circleIntegral [CompleteSpace F] {R : ℝ} {c : ℂ} {f : ℂ → F} (hR : 0 < R) (hf : DiffContOnCl ℂ f (ball c R)) : deriv f c = (2 * π * I : ℂ)⁻¹ • ∮ z in C(c, R), (z - c) ^ (-2 : ℤ) • f z := by
lift R to ℝ≥0 using hR.le refine (hf.hasFPowerSeriesOnBall hR).hasFPowerSeriesAt.deriv.trans ?_ simp only [cauchyPowerSeries_apply, one_div, zpow_neg, pow_one, smul_smul, zpow_two, mul_inv]
3
20.085537
1
1.75
4
1,851
import Mathlib.Data.Nat.Defs import Mathlib.Tactic.GCongr.Core import Mathlib.Tactic.Common import Mathlib.Tactic.Monotonicity.Attr #align_import data.nat.factorial.basic from "leanprover-community/mathlib"@"d012cd09a9b256d870751284dd6a29882b0be105" namespace Nat def factorial : ℕ → ℕ | 0 => 1 | succ n => s...
Mathlib/Data/Nat/Factorial/Basic.lean
95
103
theorem factorial_lt (hn : 0 < n) : n ! < m ! ↔ n < m := by
refine ⟨fun h => not_le.mp fun hmn => Nat.not_le_of_lt h (factorial_le hmn), fun h => ?_⟩ have : ∀ {n}, 0 < n → n ! < (n + 1)! := by intro k hk rw [factorial_succ, succ_mul, Nat.lt_add_left_iff_pos] exact Nat.mul_pos hk k.factorial_pos induction' h with k hnk ih generalizing hn · exact this hn · ...
8
2,980.957987
2
1.333333
9
1,434
import Mathlib.LinearAlgebra.QuadraticForm.IsometryEquiv #align_import linear_algebra.quadratic_form.prod from "leanprover-community/mathlib"@"9b2755b951bc323c962bd072cd447b375cf58101" universe u v w variable {ι : Type*} {R : Type*} {M₁ M₂ N₁ N₂ : Type*} {Mᵢ Nᵢ : ι → Type*} namespace QuadraticForm section Pro...
Mathlib/LinearAlgebra/QuadraticForm/Prod.lean
137
147
theorem anisotropic_of_prod {R} [OrderedCommRing R] [Module R M₁] [Module R M₂] {Q₁ : QuadraticForm R M₁} {Q₂ : QuadraticForm R M₂} (h : (Q₁.prod Q₂).Anisotropic) : Q₁.Anisotropic ∧ Q₂.Anisotropic := by
simp_rw [Anisotropic, prod_apply, Prod.forall, Prod.mk_eq_zero] at h constructor · intro x hx refine (h x 0 ?_).1 rw [hx, zero_add, map_zero] · intro x hx refine (h 0 x ?_).2 rw [hx, add_zero, map_zero]
8
2,980.957987
2
1.833333
6
1,914
import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Analysis.SpecialFunctions.Pow.Real #align_import analysis.specific_limits.floor_pow from "leanprover-community/mathlib"@"0b9eaaa7686280fad8cce467f5c3c57ee6ce77f8" open Filter Finset open Topology
Mathlib/Analysis/SpecificLimits/FloorPow.lean
28
182
theorem tendsto_div_of_monotone_of_exists_subseq_tendsto_div (u : ℕ → ℝ) (l : ℝ) (hmono : Monotone u) (hlim : ∀ a : ℝ, 1 < a → ∃ c : ℕ → ℕ, (∀ᶠ n in atTop, (c (n + 1) : ℝ) ≤ a * c n) ∧ Tendsto c atTop atTop ∧ Tendsto (fun n => u (c n) / c n) atTop (𝓝 l)) : Tendsto (fun n => u n / n) atTop (𝓝 l) := b...
/- To check the result up to some `ε > 0`, we use a sequence `c` for which the ratio `c (N+1) / c N` is bounded by `1 + ε`. Sandwiching a given `n` between two consecutive values of `c`, say `c N` and `c (N+1)`, one can then bound `u n / n` from above by `u (c N) / c (N - 1)` and from below by `u (c (N -...
150
139,370,958,066,637,970,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000
2
2
1
2,418