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import Mathlib.Data.Finset.Grade import Mathlib.Order.Interval.Finset.Basic #align_import data.finset.interval from "leanprover-community/mathlib"@"98e83c3d541c77cdb7da20d79611a780ff8e7d90" variable {α β : Type*} namespace Finset section Decidable variable [DecidableEq α] (s t : Finset α) instance instLocally...
Mathlib/Data/Finset/Interval.lean
110
111
theorem card_Ico_finset (h : s ⊆ t) : (Ico s t).card = 2 ^ (t.card - s.card) - 1 := by
rw [card_Ico_eq_card_Icc_sub_one, card_Icc_finset h]
1
2.718282
0
0.75
8
661
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
85
86
theorem tsupport_normed_eq : tsupport (f.normed μ) = Metric.closedBall c f.rOut := by
rw [tsupport, f.support_normed_eq, closure_ball _ f.rOut_pos.ne']
1
2.718282
0
0.818182
11
722
import Mathlib.Algebra.BigOperators.Ring.List import Mathlib.Data.Nat.ModEq import Mathlib.Data.Nat.GCD.BigOperators namespace Nat variable {ι : Type*} lemma modEq_list_prod_iff {a b} {l : List ℕ} (co : l.Pairwise Coprime) : a ≡ b [MOD l.prod] ↔ ∀ i, a ≡ b [MOD l.get i] := by induction' l with m l ih · si...
Mathlib/Data/Nat/ChineseRemainder.lean
93
105
theorem chineseRemainderOfList_modEq_unique (l : List ι) (co : l.Pairwise (Coprime on s)) {z} (hz : ∀ i ∈ l, z ≡ a i [MOD s i]) : z ≡ chineseRemainderOfList a s l co [MOD (l.map s).prod] := by
induction' l with i l ih · simp [modEq_one] · simp only [List.map_cons, List.prod_cons, chineseRemainderOfList] have : Coprime (s i) (l.map s).prod := by simp only [coprime_list_prod_right_iff, List.mem_map, forall_exists_index, and_imp, forall_apply_eq_imp_iff₂] intro j hj exact (L...
10
22,026.465795
2
2
3
2,185
import Mathlib.LinearAlgebra.Matrix.Reindex import Mathlib.LinearAlgebra.Matrix.ToLin #align_import linear_algebra.matrix.basis from "leanprover-community/mathlib"@"6c263e4bfc2e6714de30f22178b4d0ca4d149a76" noncomputable section open LinearMap Matrix Set Submodule open Matrix section BasisToMatrix variable {ι...
Mathlib/LinearAlgebra/Matrix/Basis.lean
113
114
theorem sum_toMatrix_smul_self [Fintype ι] : ∑ i : ι, e.toMatrix v i j • e i = v j := by
simp_rw [e.toMatrix_apply, e.sum_repr]
1
2.718282
0
1.125
8
1,207
import Mathlib.Algebra.Order.Ring.Abs #align_import data.int.order.units from "leanprover-community/mathlib"@"d012cd09a9b256d870751284dd6a29882b0be105" namespace Int theorem isUnit_iff_abs_eq {x : ℤ} : IsUnit x ↔ abs x = 1 := by rw [isUnit_iff_natAbs_eq, abs_eq_natAbs, ← Int.ofNat_one, natCast_inj] #align int....
Mathlib/Data/Int/Order/Units.lean
25
26
theorem units_sq (u : ℤˣ) : u ^ 2 = 1 := by
rw [Units.ext_iff, Units.val_pow_eq_pow_val, Units.val_one, isUnit_sq u.isUnit]
1
2.718282
0
0.222222
9
285
import Mathlib.MeasureTheory.MeasurableSpace.Basic import Mathlib.MeasureTheory.Measure.MeasureSpaceDef #align_import measure_theory.function.ae_measurable_sequence from "leanprover-community/mathlib"@"d003c55042c3cd08aefd1ae9a42ef89441cdaaf3" open MeasureTheory open scoped Classical variable {ι : Sort*} {α β γ...
Mathlib/MeasureTheory/Function/AEMeasurableSequence.lean
59
61
theorem aeSeq_eq_mk_of_mem_aeSeqSet (hf : ∀ i, AEMeasurable (f i) μ) {x : α} (hx : x ∈ aeSeqSet hf p) (i : ι) : aeSeq hf p i x = (hf i).mk (f i) x := by
simp only [aeSeq, hx, if_true]
1
2.718282
0
1.333333
6
1,404
import Mathlib.Data.ZMod.Basic import Mathlib.GroupTheory.Coxeter.Basic namespace CoxeterSystem open List Matrix Function Classical variable {B : Type*} variable {W : Type*} [Group W] variable {M : CoxeterMatrix B} (cs : CoxeterSystem M W) local prefix:100 "s" => cs.simple local prefix:100 "π" => cs.wordProd ...
Mathlib/GroupTheory/Coxeter/Length.lean
107
109
theorem length_mul_ge_length_sub_length (w₁ w₂ : W) : ℓ w₁ - ℓ w₂ ≤ ℓ (w₁ * w₂) := by
simpa [Nat.sub_le_of_le_add] using cs.length_mul_le (w₁ * w₂) w₂⁻¹
1
2.718282
0
1.363636
11
1,468
import Mathlib.Analysis.InnerProductSpace.Dual import Mathlib.Analysis.InnerProductSpace.Orientation import Mathlib.Data.Complex.Orientation import Mathlib.Tactic.LinearCombination #align_import analysis.inner_product_space.two_dim from "leanprover-community/mathlib"@"cd8fafa2fac98e1a67097e8a91ad9901cfde48af" non...
Mathlib/Analysis/InnerProductSpace/TwoDim.lean
146
147
theorem areaForm_le (x y : E) : ω x y ≤ ‖x‖ * ‖y‖ := by
simpa [areaForm_to_volumeForm, Fin.prod_univ_succ] using o.volumeForm_apply_le ![x, y]
1
2.718282
0
1.222222
9
1,295
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
146
148
theorem compProdFun_tsum_left (κ : kernel α β) (η : kernel (α × β) γ) [IsSFiniteKernel κ] (a : α) (s : Set (β × γ)) : compProdFun κ η a s = ∑' n, compProdFun (seq κ n) η a s := by
simp_rw [compProdFun, (measure_sum_seq κ _).symm, lintegral_sum_measure]
1
2.718282
0
1.166667
6
1,242
import Mathlib.Analysis.NormedSpace.Exponential import Mathlib.Analysis.Matrix import Mathlib.LinearAlgebra.Matrix.ZPow import Mathlib.LinearAlgebra.Matrix.Hermitian import Mathlib.LinearAlgebra.Matrix.Symmetric import Mathlib.Topology.UniformSpace.Matrix #align_import analysis.normed_space.matrix_exponential from "l...
Mathlib/Analysis/NormedSpace/MatrixExponential.lean
84
86
theorem exp_blockDiagonal (v : m → Matrix n n 𝔸) : exp 𝕂 (blockDiagonal v) = blockDiagonal (exp 𝕂 v) := by
simp_rw [exp_eq_tsum, ← blockDiagonal_pow, ← blockDiagonal_smul, ← blockDiagonal_tsum]
1
2.718282
0
0.4
5
398
import Mathlib.Data.Nat.Cast.Basic import Mathlib.Algebra.CharZero.Defs import Mathlib.Algebra.Order.Group.Abs import Mathlib.Data.Nat.Cast.NeZero import Mathlib.Algebra.Order.Ring.Nat #align_import data.nat.cast.basic from "leanprover-community/mathlib"@"acebd8d49928f6ed8920e502a6c90674e75bd441" variable {α β : T...
Mathlib/Data/Nat/Cast/Order.lean
147
147
theorem cast_le_one : (n : α) ≤ 1 ↔ n ≤ 1 := by
rw [← cast_one, cast_le]
1
2.718282
0
0.166667
6
261
import Batteries.Data.UnionFind.Basic namespace Batteries.UnionFind @[simp] theorem arr_empty : empty.arr = #[] := rfl @[simp] theorem parent_empty : empty.parent a = a := rfl @[simp] theorem rank_empty : empty.rank a = 0 := rfl @[simp] theorem rootD_empty : empty.rootD a = a := rfl @[simp] theorem arr_push {m : Un...
.lake/packages/batteries/Batteries/Data/UnionFind/Lemmas.lean
53
62
theorem parent_link {self} {x y : Fin self.size} (yroot) {i} : (link self x y yroot).parent i = if x.1 = y then self.parent i else if self.rank y < self.rank x then if y = i then x else self.parent i else if x = i then y else self.parent i := by
simp [rankD_eq]; exact parentD_linkAux
1
2.718282
0
1
5
1,144
import Mathlib.Data.List.Infix #align_import data.list.rdrop from "leanprover-community/mathlib"@"26f081a2fb920140ed5bc5cc5344e84bcc7cb2b2" -- Make sure we don't import algebra assert_not_exists Monoid variable {α : Type*} (p : α → Bool) (l : List α) (n : ℕ) namespace List def rdrop : List α := l.take (l.leng...
Mathlib/Data/List/DropRight.lean
64
65
theorem rdrop_concat_succ (x : α) : rdrop (l ++ [x]) (n + 1) = rdrop l n := by
simp [rdrop_eq_reverse_drop_reverse]
1
2.718282
0
0.631579
19
550
import Mathlib.Order.Filter.Cofinite import Mathlib.Order.Filter.CountableInter import Mathlib.Order.Filter.CardinalInter import Mathlib.SetTheory.Cardinal.Ordinal import Mathlib.SetTheory.Cardinal.Cofinality import Mathlib.Order.Filter.Bases open Set Filter Cardinal universe u variable {ι : Type u} {α β : Type u}...
Mathlib/Order/Filter/Cocardinal.lean
105
107
theorem mem_cocountable {s : Set α} : s ∈ cocountable ↔ (sᶜ : Set α).Countable := by
rw [Cardinal.countable_iff_lt_aleph_one, mem_cocardinal]
1
2.718282
0
0.75
4
659
import Mathlib.Analysis.Complex.Polynomial import Mathlib.NumberTheory.NumberField.Norm import Mathlib.NumberTheory.NumberField.Basic import Mathlib.RingTheory.Norm import Mathlib.Topology.Instances.Complex import Mathlib.RingTheory.RootsOfUnity.Basic #align_import number_theory.number_field.embeddings from "leanprov...
Mathlib/NumberTheory/NumberField/Embeddings.lean
54
55
theorem card : Fintype.card (K →+* A) = finrank ℚ K := by
rw [Fintype.ofEquiv_card RingHom.equivRatAlgHom.symm, AlgHom.card]
1
2.718282
0
0.5
2
497
import Mathlib.Algebra.Group.Commute.Defs import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Set.Function import Mathlib.Logic.Pairwise #align_import algebra.group.pi from "leanprover-community/mathlib"@"e4bc74cbaf429d706cb9140902f7ca6c431e75a4" assert_not_exists AddMonoidWithOne assert_not_exists Mono...
Mathlib/Algebra/Group/Pi/Lemmas.lean
552
555
theorem uncurry_mulSingle_mulSingle [DecidableEq α] [∀ a, DecidableEq (β a)] [∀ a b, One (γ a b)] (a : α) (b : β a) (x : γ a b) : Sigma.uncurry (Pi.mulSingle a (Pi.mulSingle b x)) = Pi.mulSingle (Sigma.mk a b) x := by
rw [← curry_mulSingle ⟨a, b⟩, uncurry_curry]
1
2.718282
0
0.666667
3
623
import Mathlib.Analysis.SpecialFunctions.Complex.Circle import Mathlib.Geometry.Euclidean.Angle.Oriented.Basic #align_import geometry.euclidean.angle.oriented.rotation from "leanprover-community/mathlib"@"f0c8bf9245297a541f468be517f1bde6195105e9" noncomputable section open FiniteDimensional Complex open scoped ...
Mathlib/Geometry/Euclidean/Angle/Oriented/Rotation.lean
134
135
theorem rotation_symm (θ : Real.Angle) : (o.rotation θ).symm = o.rotation (-θ) := by
ext; simp [o.rotation_apply, o.rotation_symm_apply, sub_eq_add_neg]
1
2.718282
0
0.857143
7
744
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
113
114
theorem card_fintype_Ico : Fintype.card (Set.Ico a b) = b - a := by
rw [← card_Ico, Fintype.card_ofFinset]
1
2.718282
0
1
8
948
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
154
155
theorem half_le_symm_iff (t : I) : 1 / 2 ≤ (σ t : ℝ) ↔ (t : ℝ) ≤ 1 / 2 := by
rw [coe_symm_eq, le_sub_iff_add_le, add_comm, ← le_sub_iff_add_le, sub_half]
1
2.718282
0
0.25
4
303
import Mathlib.Algebra.Polynomial.Degree.Definitions import Mathlib.Algebra.Polynomial.Eval import Mathlib.Algebra.Polynomial.Monic import Mathlib.Algebra.Polynomial.RingDivision import Mathlib.Tactic.Abel #align_import ring_theory.polynomial.pochhammer from "leanprover-community/mathlib"@"53b216bcc1146df1c4a0a868778...
Mathlib/RingTheory/Polynomial/Pochhammer.lean
61
61
theorem ascPochhammer_one : ascPochhammer S 1 = X := by
simp [ascPochhammer]
1
2.718282
0
0.96
25
796
import Mathlib.Analysis.Normed.Group.Pointwise import Mathlib.Analysis.NormedSpace.Real #align_import analysis.normed_space.pointwise from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" open Metric Set open Pointwise Topology variable {𝕜 E : Type*} variable [NormedField 𝕜] sectio...
Mathlib/Analysis/NormedSpace/Pointwise.lean
109
115
theorem set_smul_sphere_zero {s : Set 𝕜} (hs : 0 ∉ s) (r : ℝ) : s • sphere (0 : E) r = (‖·‖) ⁻¹' ((‖·‖ * r) '' s) := calc s • sphere (0 : E) r = ⋃ c ∈ s, c • sphere (0 : E) r := iUnion_smul_left_image.symm _ = ⋃ c ∈ s, sphere (0 : E) (‖c‖ * r) := iUnion₂_congr fun c hc ↦ by rw [smul_sphere' (ne_of_...
ext; simp [eq_comm]
1
2.718282
0
1
8
994
import Mathlib.Algebra.Polynomial.Degree.Definitions import Mathlib.Algebra.Polynomial.Eval import Mathlib.Algebra.Polynomial.Monic import Mathlib.Algebra.Polynomial.RingDivision import Mathlib.Tactic.Abel #align_import ring_theory.polynomial.pochhammer from "leanprover-community/mathlib"@"53b216bcc1146df1c4a0a868778...
Mathlib/RingTheory/Polynomial/Pochhammer.lean
116
116
theorem ascPochhammer_zero_eval_zero : (ascPochhammer S 0).eval 0 = 1 := by
simp
1
2.718282
0
0.96
25
796
import Mathlib.Algebra.Group.Indicator import Mathlib.Algebra.Group.Submonoid.Basic import Mathlib.Data.Set.Finite #align_import data.finsupp.defs from "leanprover-community/mathlib"@"842328d9df7e96fd90fc424e115679c15fb23a71" noncomputable section open Finset Function variable {α β γ ι M M' N P G H R S : Type*}...
Mathlib/Data/Finsupp/Defs.lean
209
209
theorem card_support_eq_zero {f : α →₀ M} : card f.support = 0 ↔ f = 0 := by
simp
1
2.718282
0
0.2
5
268
import Mathlib.Algebra.Order.Monoid.Defs import Mathlib.Algebra.Order.Sub.Defs import Mathlib.Util.AssertExists #align_import algebra.order.group.defs from "leanprover-community/mathlib"@"b599f4e4e5cf1fbcb4194503671d3d9e569c1fce" open Function universe u variable {α : Type u} class OrderedAddCommGroup (α : Ty...
Mathlib/Algebra/Order/Group/Defs.lean
389
389
theorem inv_lt' : a⁻¹ < b ↔ b⁻¹ < a := by
rw [← inv_lt_inv_iff, inv_inv]
1
2.718282
0
0.4
25
400
import Mathlib.Algebra.Order.Monoid.Unbundled.MinMax import Mathlib.Algebra.Order.Monoid.WithTop import Mathlib.Data.Finset.Image import Mathlib.Data.Multiset.Fold #align_import data.finset.fold from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" -- TODO: -- assert_not_exists OrderedComm...
Mathlib/Data/Finset/Fold.lean
83
85
theorem fold_op_distrib {f g : α → β} {b₁ b₂ : β} : (s.fold op (b₁ * b₂) fun x => f x * g x) = s.fold op b₁ f * s.fold op b₂ g := by
simp only [fold, fold_distrib]
1
2.718282
0
0.909091
11
789
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
173
175
theorem isBigO_cocompact_zpow [ProperSpace E] (k : ℤ) : f =O[cocompact E] fun x => ‖x‖ ^ k := by
simpa only [Real.rpow_intCast] using isBigO_cocompact_rpow f k
1
2.718282
0
1.25
8
1,308
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
438
440
theorem det_one_sub_mul_comm (A : Matrix m n α) (B : Matrix n m α) : det (1 - A * B) = det (1 - B * A) := by
rw [sub_eq_add_neg, ← Matrix.neg_mul, det_one_add_mul_comm, Matrix.mul_neg, ← sub_eq_add_neg]
1
2.718282
0
1.1875
16
1,248
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 Equiv.Perm secti...
Mathlib/GroupTheory/Perm/Cycle/Concrete.lean
259
260
theorem toList_nthLe_zero (h : x ∈ p.support) : (toList p x).nthLe 0 (length_toList_pos_of_mem_support _ _ h) = x := by
simp [toList]
1
2.718282
0
1
18
1,030
import Mathlib.Order.CompleteLattice import Mathlib.Order.Cover import Mathlib.Order.Iterate import Mathlib.Order.WellFounded #align_import order.succ_pred.basic from "leanprover-community/mathlib"@"0111834459f5d7400215223ea95ae38a1265a907" open Function OrderDual Set variable {α β : Type*} @[ext] class SuccOr...
Mathlib/Order/SuccPred/Basic.lean
279
281
theorem succ_lt_succ_iff_of_not_isMax (ha : ¬IsMax a) (hb : ¬IsMax b) : succ a < succ b ↔ a < b := by
rw [lt_succ_iff_of_not_isMax hb, succ_le_iff_of_not_isMax ha]
1
2.718282
0
0.666667
3
560
import Mathlib.RingTheory.PrincipalIdealDomain #align_import ring_theory.ideal.basic from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" variable {R : Type*} [CommRing R] namespace Ideal open Submodule variable (R) in def isPrincipalSubmonoid : Submonoid (Ideal R) where carrier := ...
Mathlib/RingTheory/Ideal/IsPrincipal.lean
67
72
theorem associatesEquivIsPrincipal_mul (x y : Associates R) : (associatesEquivIsPrincipal R (x * y) : Ideal R) = (associatesEquivIsPrincipal R x) * (associatesEquivIsPrincipal R y) := by
rw [← Associates.quot_out x, ← Associates.quot_out y] simp_rw [Associates.mk_mul_mk, ← Associates.quotient_mk_eq_mk, associatesEquivIsPrincipal_apply, span_singleton_mul_span_singleton]
3
20.085537
1
1
3
999
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
132
137
theorem tendsto_exp_div_rpow_atTop (s : ℝ) : Tendsto (fun x : ℝ => exp x / x ^ s) atTop atTop := by
cases' archimedean_iff_nat_lt.1 Real.instArchimedean s with n hn refine tendsto_atTop_mono' _ ?_ (tendsto_exp_div_pow_atTop n) filter_upwards [eventually_gt_atTop (0 : ℝ), eventually_ge_atTop (1 : ℝ)] with x hx₀ hx₁ rw [div_le_div_left (exp_pos _) (pow_pos hx₀ _) (rpow_pos_of_pos hx₀ _), ← Real.rpow_natCast] ...
5
148.413159
2
1.5
10
1,605
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.Degree.Lemmas import Mathlib.Algebra.Polynomial.HasseDeriv #align_import data.polynomial.taylor from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" noncomputable section namespace Polynomial open Polynomial...
Mathlib/Algebra/Polynomial/Taylor.lean
126
127
theorem taylor_eval_sub {R} [CommRing R] (r : R) (f : R[X]) (s : R) : (taylor r f).eval (s - r) = f.eval s := by
rw [taylor_eval, sub_add_cancel]
1
2.718282
0
0.466667
15
415
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.Basic import Mathlib.RingTheory.Ideal.Maps import Mathlib.RingTheory.MvPowerSeries.Basic #align_import ring_theory.power_series.basic from "leanprover-community/mathlib"@"2d5739b61641ee4e7e53eca5688a08f66f2e6a60" noncomputable section ...
Mathlib/RingTheory/PowerSeries/Basic.lean
150
151
theorem coeff_def {s : Unit →₀ ℕ} {n : ℕ} (h : s () = n) : coeff R n = MvPowerSeries.coeff R s := by
erw [coeff, ← h, ← Finsupp.unique_single s]
1
2.718282
0
0.333333
3
323
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.Monic #align_import data.polynomial.lifts from "leanprover-community/mathlib"@"63417e01fbc711beaf25fa73b6edb395c0cfddd0" open Polynomial noncomputable section namespace Polynomial universe u v w section Semiring variable {R : Type...
Mathlib/Algebra/Polynomial/Lifts.lean
65
66
theorem lifts_iff_set_range (p : S[X]) : p ∈ lifts f ↔ p ∈ Set.range (map f) := by
simp only [coe_mapRingHom, lifts, Set.mem_range, RingHom.mem_rangeS]
1
2.718282
0
1
13
1,139
import Mathlib.Data.DFinsupp.Interval import Mathlib.Data.DFinsupp.Multiset import Mathlib.Order.Interval.Finset.Nat #align_import data.multiset.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" open Finset DFinsupp Function open Pointwise variable {α : Type*} namespace Mu...
Mathlib/Data/Multiset/Interval.lean
72
74
theorem card_Ioo : (Finset.Ioo s t).card = ∏ i ∈ s.toFinset ∪ t.toFinset, (t.count i + 1 - s.count i) - 2 := by
rw [Finset.card_Ioo_eq_card_Icc_sub_two, card_Icc]
1
2.718282
0
0.333333
6
338
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
39
44
theorem convexOn_norm (hs : Convex ℝ s) : ConvexOn ℝ s norm := ⟨hs, fun x _ y _ a b ha hb _ => calc ‖a • x + b • y‖ ≤ ‖a • x‖ + ‖b • y‖ := norm_add_le _ _ _ = a * ‖x‖ + b * ‖y‖ := by
rw [norm_smul, norm_smul, Real.norm_of_nonneg ha, Real.norm_of_nonneg hb]⟩
1
2.718282
0
0.818182
11
721
import Mathlib.Analysis.Complex.RemovableSingularity import Mathlib.Analysis.Calculus.UniformLimitsDeriv import Mathlib.Analysis.NormedSpace.FunctionSeries #align_import analysis.complex.locally_uniform_limit from "leanprover-community/mathlib"@"fe44cd36149e675eb5dec87acc7e8f1d6568e081" open Set Metric MeasureThe...
Mathlib/Analysis/Complex/LocallyUniformLimit.lean
67
76
theorem cderiv_sub (hr : 0 < r) (hf : ContinuousOn f (sphere z r)) (hg : ContinuousOn g (sphere z r)) : cderiv r (f - g) z = cderiv r f z - cderiv r g z := by
have h1 : ContinuousOn (fun w : ℂ => ((w - z) ^ 2)⁻¹) (sphere z r) := by refine ((continuous_id'.sub continuous_const).pow 2).continuousOn.inv₀ fun w hw h => hr.ne ?_ rwa [mem_sphere_iff_norm, sq_eq_zero_iff.mp h, norm_zero] at hw simp_rw [cderiv, ← smul_sub] congr 1 simpa only [Pi.sub_apply, smul_sub]...
8
2,980.957987
2
2
4
2,402
import Mathlib.Analysis.InnerProductSpace.Adjoint #align_import analysis.inner_product_space.positive from "leanprover-community/mathlib"@"caa58cbf5bfb7f81ccbaca4e8b8ac4bc2b39cc1c" open InnerProductSpace RCLike ContinuousLinearMap open scoped InnerProduct ComplexConjugate namespace ContinuousLinearMap variable...
Mathlib/Analysis/InnerProductSpace/Positive.lean
67
68
theorem IsPositive.inner_nonneg_right {T : E →L[𝕜] E} (hT : IsPositive T) (x : E) : 0 ≤ re ⟪x, T x⟫ := by
rw [inner_re_symm]; exact hT.inner_nonneg_left x
1
2.718282
0
0.875
8
762
import Mathlib.Analysis.NormedSpace.AddTorsorBases #align_import analysis.convex.intrinsic from "leanprover-community/mathlib"@"f0c8bf9245297a541f468be517f1bde6195105e9" open AffineSubspace Set open scoped Pointwise variable {𝕜 V W Q P : Type*} section AddTorsor variable (𝕜) [Ring 𝕜] [AddCommGroup V] [Modu...
Mathlib/Analysis/Convex/Intrinsic.lean
120
120
theorem intrinsicClosure_empty : intrinsicClosure 𝕜 (∅ : Set P) = ∅ := by
simp [intrinsicClosure]
1
2.718282
0
0.571429
7
518
import Mathlib.Algebra.Group.Semiconj.Defs import Mathlib.Algebra.Ring.Defs #align_import algebra.ring.semiconj from "leanprover-community/mathlib"@"70d50ecfd4900dd6d328da39ab7ebd516abe4025" universe u v w x variable {α : Type u} {β : Type v} {γ : Type w} {R : Type x} open Function namespace SemiconjBy @[simp...
Mathlib/Algebra/Ring/Semiconj.lean
95
97
theorem sub_left (ha : SemiconjBy a x y) (hb : SemiconjBy b x y) : SemiconjBy (a - b) x y := by
simpa only [sub_eq_add_neg] using ha.add_left hb.neg_left
1
2.718282
0
0
6
216
import Mathlib.SetTheory.Cardinal.Ordinal #align_import set_theory.cardinal.continuum from "leanprover-community/mathlib"@"e08a42b2dd544cf11eba72e5fc7bf199d4349925" namespace Cardinal universe u v open Cardinal def continuum : Cardinal.{u} := 2 ^ ℵ₀ #align cardinal.continuum Cardinal.continuum scoped notat...
Mathlib/SetTheory/Cardinal/Continuum.lean
83
83
theorem beth_one : beth 1 = 𝔠 := by
simpa using beth_succ 0
1
2.718282
0
0.625
8
541
import Mathlib.Analysis.BoxIntegral.Partition.SubboxInduction import Mathlib.Analysis.BoxIntegral.Partition.Split #align_import analysis.box_integral.partition.filter from "leanprover-community/mathlib"@"92ca63f0fb391a9ca5f22d2409a6080e786d99f7" open Set Function Filter Metric Finset Bool open scoped Classical o...
Mathlib/Analysis/BoxIntegral/Partition/Filter.lean
276
276
theorem henstock_le_riemann : Henstock ≤ Riemann := by
trivial
1
2.718282
0
0
3
87
import Mathlib.Probability.ProbabilityMassFunction.Monad #align_import probability.probability_mass_function.constructions from "leanprover-community/mathlib"@"4ac69b290818724c159de091daa3acd31da0ee6d" universe u namespace PMF noncomputable section variable {α β γ : Type*} open scoped Classical open NNReal ENN...
Mathlib/Probability/ProbabilityMassFunction/Constructions.lean
52
52
theorem map_apply : (map f p) b = ∑' a, if b = f a then p a else 0 := by
simp [map]
1
2.718282
0
0.2
10
279
import Batteries.Control.ForInStep.Lemmas import Batteries.Data.List.Basic import Batteries.Tactic.Init import Batteries.Tactic.Alias namespace List open Nat @[simp] theorem mem_toArray {a : α} {l : List α} : a ∈ l.toArray ↔ a ∈ l := by simp [Array.mem_def] @[simp] theorem drop_one : ∀ l : List α, drop 1 l =...
.lake/packages/batteries/Batteries/Data/List/Lemmas.lean
28
29
theorem zipWith_distrib_tail : (zipWith f l l').tail = zipWith f l.tail l'.tail := by
rw [← drop_one]; simp [zipWith_distrib_drop]
1
2.718282
0
1
2
1,133
import Batteries.Data.RBMap.Alter import Batteries.Data.List.Lemmas namespace Batteries namespace RBNode open RBColor attribute [simp] fold foldl foldr Any forM foldlM Ordered @[simp] theorem min?_reverse (t : RBNode α) : t.reverse.min? = t.max? := by unfold RBNode.max?; split <;> simp [RBNode.min?] unfold RB...
.lake/packages/batteries/Batteries/Data/RBMap/Lemmas.lean
67
68
theorem isOrdered_iff [@TransCmp α cmp] {t : RBNode α} : isOrdered cmp t ↔ Ordered cmp t := by
simp [isOrdered_iff']
1
2.718282
0
0.666667
6
556
import Mathlib.RingTheory.DiscreteValuationRing.Basic import Mathlib.RingTheory.MvPowerSeries.Inverse import Mathlib.RingTheory.PowerSeries.Basic import Mathlib.RingTheory.PowerSeries.Order #align_import ring_theory.power_series.basic from "leanprover-community/mathlib"@"2d5739b61641ee4e7e53eca5688a08f66f2e6a60" ...
Mathlib/RingTheory/PowerSeries/Inverse.lean
100
102
theorem constantCoeff_invOfUnit (φ : R⟦X⟧) (u : Rˣ) : constantCoeff R (invOfUnit φ u) = ↑u⁻¹ := by
rw [← coeff_zero_eq_constantCoeff_apply, coeff_invOfUnit, if_pos rfl]
1
2.718282
0
1
2
1,105
import Mathlib.Algebra.Group.Hom.Defs #align_import algebra.group.ext from "leanprover-community/mathlib"@"e574b1a4e891376b0ef974b926da39e05da12a06" assert_not_exists MonoidWithZero assert_not_exists DenselyOrdered open Function universe u @[to_additive (attr := ext)] theorem Monoid.ext {M : Type u} ⦃m₁ m₂ : Mo...
Mathlib/Algebra/Group/Ext.lean
71
74
theorem LeftCancelMonoid.toMonoid_injective {M : Type u} : Function.Injective (@LeftCancelMonoid.toMonoid M) := by
rintro @⟨@⟨⟩⟩ @⟨@⟨⟩⟩ h congr <;> injection h
2
7.389056
1
1.333333
6
1,372
import Batteries.Data.Sum.Basic import Batteries.Logic open Function namespace Sum @[simp] protected theorem «forall» {p : α ⊕ β → Prop} : (∀ x, p x) ↔ (∀ a, p (inl a)) ∧ ∀ b, p (inr b) := ⟨fun h => ⟨fun _ => h _, fun _ => h _⟩, fun ⟨h₁, h₂⟩ => Sum.rec h₁ h₂⟩ @[simp] protected theorem «exists» {p : α ⊕ β ...
.lake/packages/batteries/Batteries/Data/Sum/Lemmas.lean
85
85
theorem isRight_iff : x.isRight ↔ ∃ y, x = Sum.inr y := by
cases x <;> simp
1
2.718282
0
0.285714
7
316
import Mathlib.Analysis.SpecialFunctions.ExpDeriv import Mathlib.Analysis.SpecialFunctions.Complex.Circle import Mathlib.Analysis.InnerProductSpace.l2Space import Mathlib.MeasureTheory.Function.ContinuousMapDense import Mathlib.MeasureTheory.Function.L2Space import Mathlib.MeasureTheory.Group.Integral import Mathlib.M...
Mathlib/Analysis/Fourier/AddCircle.lean
172
174
theorem fourier_add' {m n : ℤ} {x : AddCircle T} : toCircle ((m + n) • x :) = fourier m x * fourier n x := by
rw [← fourier_apply]; exact fourier_add
1
2.718282
0
0.916667
12
791
import Mathlib.Algebra.Ring.Prod import Mathlib.GroupTheory.OrderOfElement import Mathlib.Tactic.FinCases #align_import data.zmod.basic from "leanprover-community/mathlib"@"74ad1c88c77e799d2fea62801d1dbbd698cff1b7" assert_not_exists Submodule open Function namespace ZMod instance charZero : CharZero (ZMod 0) :=...
Mathlib/Data/ZMod/Basic.lean
151
152
theorem natCast_self' (n : ℕ) : (n + 1 : ZMod (n + 1)) = 0 := by
rw [← Nat.cast_add_one, natCast_self (n + 1)]
1
2.718282
0
1
11
900
import Batteries.Data.UInt @[ext] theorem Char.ext : {a b : Char} → a.val = b.val → a = b | ⟨_,_⟩, ⟨_,_⟩, rfl => rfl theorem Char.ext_iff {x y : Char} : x = y ↔ x.val = y.val := ⟨congrArg _, Char.ext⟩ theorem Char.le_antisymm_iff {x y : Char} : x = y ↔ x ≤ y ∧ y ≤ x := Char.ext_iff.trans UInt32.le_antisymm_iff ...
.lake/packages/batteries/Batteries/Data/Char.lean
33
34
theorem csize_le_4 (c) : csize c ≤ 4 := by
rcases csize_eq c with _|_|_|_ <;> simp_all (config := {decide := true})
1
2.718282
0
0
2
136
import Mathlib.LinearAlgebra.Dimension.Basic import Mathlib.SetTheory.Cardinal.ToNat #align_import linear_algebra.finrank from "leanprover-community/mathlib"@"347636a7a80595d55bedf6e6fbd996a3c39da69a" universe u v w open Cardinal Submodule Module Function variable {R : Type u} {M : Type v} {N : Type w} variable...
Mathlib/LinearAlgebra/Dimension/Finrank.lean
92
93
theorem one_lt_rank_of_one_lt_finrank (h : 1 < finrank R M) : 1 < Module.rank R M := by
simpa using lt_rank_of_lt_finrank h
1
2.718282
0
0.833333
6
732
import Batteries.Data.RBMap.Basic import Batteries.Tactic.SeqFocus namespace Batteries namespace RBNode open RBColor attribute [simp] All theorem All.trivial (H : ∀ {x : α}, p x) : ∀ {t : RBNode α}, t.All p | nil => _root_.trivial | node .. => ⟨H, All.trivial H, All.trivial H⟩ theorem All_and {t : RBNode α}...
.lake/packages/batteries/Batteries/Data/RBMap/WF.lean
51
52
theorem reverse_eq_iff {t t' : RBNode α} : t.reverse = t' ↔ t = t'.reverse := by
constructor <;> rintro rfl <;> simp
1
2.718282
0
0
2
62
import Mathlib.LinearAlgebra.FiniteDimensional import Mathlib.LinearAlgebra.FreeModule.Finite.Basic import Mathlib.LinearAlgebra.FreeModule.StrongRankCondition import Mathlib.LinearAlgebra.Projection import Mathlib.LinearAlgebra.SesquilinearForm import Mathlib.RingTheory.TensorProduct.Basic import Mathlib.RingTheory.I...
Mathlib/LinearAlgebra/Dual.lean
329
330
theorem toDual_apply_left (m : M) (i : ι) : b.toDual m (b i) = b.repr m i := by
rw [← b.toDual_total_left, b.total_repr]
1
2.718282
0
1.111111
9
1,196
import Mathlib.Algebra.ContinuedFractions.Computation.Basic import Mathlib.Algebra.ContinuedFractions.Translations #align_import algebra.continued_fractions.computation.translations from "leanprover-community/mathlib"@"a7e36e48519ab281320c4d192da6a7b348ce40ad" namespace GeneralizedContinuedFraction open Generali...
Mathlib/Algebra/ContinuedFractions/Computation/Translations.lean
240
244
theorem get?_of_eq_some_of_succ_get?_intFractPair_stream {ifp_succ_n : IntFractPair K} (stream_succ_nth_eq : IntFractPair.stream v (n + 1) = some ifp_succ_n) : (of v).s.get? n = some ⟨1, ifp_succ_n.b⟩ := by
unfold of IntFractPair.seq1 simp [Stream'.Seq.map_tail, Stream'.Seq.get?_tail, Stream'.Seq.map_get?, stream_succ_nth_eq]
2
7.389056
1
1.307692
13
1,366
import Mathlib.Data.List.Lattice import Mathlib.Data.List.Range import Mathlib.Data.Bool.Basic #align_import data.list.intervals from "leanprover-community/mathlib"@"7b78d1776212a91ecc94cf601f83bdcc46b04213" open Nat namespace List def Ico (n m : ℕ) : List ℕ := range' n (m - n) #align list.Ico List.Ico names...
Mathlib/Data/List/Intervals.lean
153
153
theorem not_mem_top {n m : ℕ} : m ∉ Ico n m := by
simp
1
2.718282
0
0.9375
16
794
import Mathlib.Algebra.Order.Ring.Nat #align_import data.nat.dist from "leanprover-community/mathlib"@"d50b12ae8e2bd910d08a94823976adae9825718b" namespace Nat def dist (n m : ℕ) := n - m + (m - n) #align nat.dist Nat.dist -- Should be aligned to `Nat.dist.eq_def`, but that is generated on demand and isn't pr...
Mathlib/Data/Nat/Dist.lean
99
100
theorem dist_mul_right (n k m : ℕ) : dist (n * k) (m * k) = dist n m * k := by
rw [dist, dist, right_distrib, tsub_mul n, tsub_mul m]
1
2.718282
0
0.266667
15
309
import Mathlib.Analysis.SpecialFunctions.Pow.Real #align_import analysis.special_functions.pow.nnreal from "leanprover-community/mathlib"@"4fa54b337f7d52805480306db1b1439c741848c8" noncomputable section open scoped Classical open Real NNReal ENNReal ComplexConjugate open Finset Function Set namespace NNReal var...
Mathlib/Analysis/SpecialFunctions/Pow/NNReal.lean
112
113
theorem rpow_self_rpow_inv {y : ℝ} (hy : y ≠ 0) (x : ℝ≥0) : (x ^ (1 / y)) ^ y = x := by
field_simp [← rpow_mul]
1
2.718282
0
0.4
5
399
import Mathlib.Algebra.Algebra.Bilinear import Mathlib.RingTheory.Localization.Basic #align_import algebra.module.localized_module from "leanprover-community/mathlib"@"831c494092374cfe9f50591ed0ac81a25efc5b86" namespace LocalizedModule universe u v variable {R : Type u} [CommSemiring R] (S : Submonoid R) variab...
Mathlib/Algebra/Module/LocalizedModule.lean
132
135
theorem liftOn₂_mk {α : Type*} (f : M × S → M × S → α) (wd : ∀ (p q p' q' : M × S), p ≈ p' → q ≈ q' → f p q = f p' q') (m m' : M) (s s' : S) : liftOn₂ (mk m s) (mk m' s') f wd = f ⟨m, s⟩ ⟨m', s'⟩ := by
convert Quotient.liftOn₂_mk f wd _ _
1
2.718282
0
1
7
797
import Mathlib.Data.ENNReal.Real #align_import data.real.conjugate_exponents from "leanprover-community/mathlib"@"2196ab363eb097c008d4497125e0dde23fb36db2" noncomputable section open scoped ENNReal namespace Real @[mk_iff] structure IsConjExponent (p q : ℝ) : Prop where one_lt : 1 < p inv_add_inv_conj : p⁻...
Mathlib/Data/Real/ConjExponents.lean
101
102
theorem mul_eq_add : p * q = p + q := by
simpa only [sub_mul, sub_eq_iff_eq_add, one_mul] using h.sub_one_mul_conj
1
2.718282
0
0.75
4
653
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
161
162
theorem Disjoint.symmDiff_eq_sup {a b : α} (h : Disjoint a b) : a ∆ b = a ⊔ b := by
rw [symmDiff, h.sdiff_eq_left, h.sdiff_eq_right]
1
2.718282
0
0.181818
22
266
import Mathlib.Tactic.NormNum import Mathlib.Tactic.TryThis import Mathlib.Util.AtomM set_option autoImplicit true namespace Mathlib.Tactic.Abel open Lean Elab Meta Tactic Qq initialize registerTraceClass `abel initialize registerTraceClass `abel.detail structure Context where α : Expr univ :...
Mathlib/Tactic/Abel.lean
136
138
theorem term_add_const {α} [AddCommMonoid α] (n x a k a') (h : a + k = a') : @term α _ n x a + k = term n x a' := by
simp [h.symm, term, add_assoc]
1
2.718282
0
0.125
8
249
import Mathlib.Topology.MetricSpace.Isometry #align_import topology.metric_space.gluing from "leanprover-community/mathlib"@"e1a7bdeb4fd826b7e71d130d34988f0a2d26a177" noncomputable section universe u v w open Function Set Uniformity Topology namespace Metric section ApproxGluing variable {X : Type u} {Y : Typ...
Mathlib/Topology/MetricSpace/Gluing.lean
106
108
theorem le_glueDist_inr_inl (Φ : Z → X) (Ψ : Z → Y) (ε : ℝ) (x y) : ε ≤ glueDist Φ Ψ ε (.inr x) (.inl y) := by
rw [glueDist_comm]; apply le_glueDist_inl_inr
1
2.718282
0
1.142857
7
1,221
import Mathlib.Order.BooleanAlgebra import Mathlib.Logic.Equiv.Basic #align_import order.symm_diff from "leanprover-community/mathlib"@"6eb334bd8f3433d5b08ba156b8ec3e6af47e1904" open Function OrderDual variable {ι α β : Type*} {π : ι → Type*} def symmDiff [Sup α] [SDiff α] (a b : α) : α := a \ b ⊔ b \ a #ali...
Mathlib/Order/SymmDiff.lean
113
113
theorem symmDiff_comm : a ∆ b = b ∆ a := by
simp only [symmDiff, sup_comm]
1
2.718282
0
0.181818
22
266
import Mathlib.Algebra.BigOperators.NatAntidiagonal import Mathlib.Algebra.Order.Ring.Abs import Mathlib.Data.Nat.Choose.Sum import Mathlib.RingTheory.PowerSeries.Basic #align_import ring_theory.power_series.well_known from "leanprover-community/mathlib"@"8199f6717c150a7fe91c4534175f4cf99725978f" namespace PowerS...
Mathlib/RingTheory/PowerSeries/WellKnown.lean
181
182
theorem coeff_sin_bit0 : coeff A (bit0 n) (sin A) = 0 := by
rw [sin, coeff_mk, if_pos (even_bit0 n)]
1
2.718282
0
0.857143
14
748
import Mathlib.Analysis.Complex.Basic import Mathlib.Topology.FiberBundle.IsHomeomorphicTrivialBundle #align_import analysis.complex.re_im_topology from "leanprover-community/mathlib"@"468b141b14016d54b479eb7a0fff1e360b7e3cf6" open Set noncomputable section namespace Complex theorem isHomeomorphicTrivialFiber...
Mathlib/Analysis/Complex/ReImTopology.lean
109
110
theorem interior_setOf_le_im (a : ℝ) : interior { z : ℂ | a ≤ z.im } = { z | a < z.im } := by
simpa only [interior_Ici] using interior_preimage_im (Ici a)
1
2.718282
0
0
10
135
import Mathlib.Topology.Connected.Basic open Set Topology universe u v variable {α : Type u} {β : Type v} {ι : Type*} {π : ι → Type*} [TopologicalSpace α] {s t u v : Set α} section LocallyConnectedSpace class LocallyConnectedSpace (α : Type*) [TopologicalSpace α] : Prop where open_connected_basis : ∀ x,...
Mathlib/Topology/Connected/LocallyConnected.lean
63
67
theorem connectedComponentIn_mem_nhds [LocallyConnectedSpace α] {F : Set α} {x : α} (h : F ∈ 𝓝 x) : connectedComponentIn F x ∈ 𝓝 x := by
rw [(LocallyConnectedSpace.open_connected_basis x).mem_iff] at h rcases h with ⟨s, ⟨h1s, hxs, h2s⟩, hsF⟩ exact mem_nhds_iff.mpr ⟨s, h2s.isPreconnected.subset_connectedComponentIn hxs hsF, h1s, hxs⟩
3
20.085537
1
1.571429
7
1,702
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
31
32
theorem Option.id_traverse {α} (x : Option α) : Option.traverse (pure : α → Id α) x = x := by
cases x <;> rfl
1
2.718282
0
0.25
4
301
import Mathlib.Analysis.InnerProductSpace.Basic import Mathlib.LinearAlgebra.SesquilinearForm #align_import analysis.inner_product_space.orthogonal from "leanprover-community/mathlib"@"f0c8bf9245297a541f468be517f1bde6195105e9" variable {𝕜 E F : Type*} [RCLike 𝕜] variable [NormedAddCommGroup E] [InnerProductSpace...
Mathlib/Analysis/InnerProductSpace/Orthogonal.lean
111
111
theorem orthogonal_disjoint : Disjoint K Kᗮ := by
simp [disjoint_iff, K.inf_orthogonal_eq_bot]
1
2.718282
0
1.1
10
1,190
import Mathlib.Analysis.NormedSpace.IndicatorFunction import Mathlib.MeasureTheory.Function.EssSup import Mathlib.MeasureTheory.Function.AEEqFun import Mathlib.MeasureTheory.Function.SpecialFunctions.Basic #align_import measure_theory.function.lp_seminorm from "leanprover-community/mathlib"@"c4015acc0a223449d44061e27...
Mathlib/MeasureTheory/Function/LpSeminorm/Basic.lean
91
93
theorem snorm_eq_lintegral_rpow_nnnorm (hp_ne_zero : p ≠ 0) (hp_ne_top : p ≠ ∞) {f : α → F} : snorm f p μ = (∫⁻ x, (‖f x‖₊ : ℝ≥0∞) ^ p.toReal ∂μ) ^ (1 / p.toReal) := by
rw [snorm_eq_snorm' hp_ne_zero hp_ne_top, snorm']
1
2.718282
0
0.4
5
402
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
51
52
theorem verschiebung_zmod (x : 𝕎 (ZMod p)) : verschiebung x = x * p := by
rw [← frobenius_verschiebung, frobenius_zmodp]
1
2.718282
0
1
13
1,103
import Mathlib.Data.Fintype.List #align_import data.list.cycle from "leanprover-community/mathlib"@"7413128c3bcb3b0818e3e18720abc9ea3100fb49" assert_not_exists MonoidWithZero namespace List variable {α : Type*} [DecidableEq α] def nextOr : ∀ (_ : List α) (_ _ : α), α | [], _, default => default | [_], _, d...
Mathlib/Data/List/Cycle.lean
154
155
theorem next_cons_cons_eq' (y z : α) (h : x ∈ y :: z :: l) (hx : x = y) : next (y :: z :: l) x h = z := by
rw [next, nextOr, if_pos hx]
1
2.718282
0
1.4
10
1,479
import Mathlib.Algebra.CharP.Two import Mathlib.Data.Nat.Factorization.Basic import Mathlib.Data.Nat.Periodic import Mathlib.Data.ZMod.Basic import Mathlib.Tactic.Monotonicity #align_import data.nat.totient from "leanprover-community/mathlib"@"5cc2dfdd3e92f340411acea4427d701dc7ed26f8" open Finset namespace Nat ...
Mathlib/Data/Nat/Totient.lean
78
81
theorem filter_coprime_Ico_eq_totient (a n : ℕ) : ((Ico n (n + a)).filter (Coprime a)).card = totient a := by
rw [totient, filter_Ico_card_eq_of_periodic, count_eq_card_filter_range] exact periodic_coprime a
2
7.389056
1
1.8
5
1,905
import Mathlib.Dynamics.Flow import Mathlib.Tactic.Monotonicity #align_import dynamics.omega_limit from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Function Filter Topology section omegaLimit variable {τ : Type*} {α : Type*} {β : Type*} {ι : Type*} def omegaLimit [Topol...
Mathlib/Dynamics/OmegaLimit.lean
108
109
theorem omegaLimit_image_eq {α' : Type*} (ϕ : τ → α' → β) (f : Filter τ) (g : α → α') : ω f ϕ (g '' s) = ω f (fun t x ↦ ϕ t (g x)) s := by
simp only [omegaLimit, image2_image_right]
1
2.718282
0
0.833333
6
739
import Mathlib.RingTheory.Polynomial.Cyclotomic.Roots import Mathlib.Tactic.ByContra import Mathlib.Topology.Algebra.Polynomial import Mathlib.NumberTheory.Padics.PadicVal import Mathlib.Analysis.Complex.Arg #align_import ring_theory.polynomial.cyclotomic.eval from "leanprover-community/mathlib"@"5bfbcca0a7ffdd21cf16...
Mathlib/RingTheory/Polynomial/Cyclotomic/Eval.lean
36
37
theorem eval₂_one_cyclotomic_prime {R S : Type*} [CommRing R] [Semiring S] (f : R →+* S) {p : ℕ} [Fact p.Prime] : eval₂ f 1 (cyclotomic p R) = p := by
simp
1
2.718282
0
0.8
5
696
namespace Nat @[reducible] def Coprime (m n : Nat) : Prop := gcd m n = 1 instance (m n : Nat) : Decidable (Coprime m n) := inferInstanceAs (Decidable (_ = 1)) theorem coprime_iff_gcd_eq_one : Coprime m n ↔ gcd m n = 1 := .rfl theorem Coprime.gcd_eq_one : Coprime m n → gcd m n = 1 := id theorem Coprime.symm ...
.lake/packages/batteries/Batteries/Data/Nat/Gcd.lean
57
59
theorem coprime_div_gcd_div_gcd (H : 0 < gcd m n) : Coprime (m / gcd m n) (n / gcd m n) := by
rw [coprime_iff_gcd_eq_one, gcd_div (gcd_dvd_left m n) (gcd_dvd_right m n), Nat.div_self H]
1
2.718282
0
1
9
1,124
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
103
104
theorem image2_union_left : image2 f (s ∪ s') t = image2 f s t ∪ image2 f s' t := by
simp_rw [← image_prod, union_prod, image_union]
1
2.718282
0
0.333333
6
336
import Mathlib.Algebra.Group.Commute.Defs import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Set.Function import Mathlib.Logic.Pairwise #align_import algebra.group.pi from "leanprover-community/mathlib"@"e4bc74cbaf429d706cb9140902f7ca6c431e75a4" assert_not_exists AddMonoidWithOne assert_not_exists Mono...
Mathlib/Algebra/Group/Pi/Lemmas.lean
546
549
theorem curry_mulSingle [DecidableEq α] [∀ a, DecidableEq (β a)] [∀ a b, One (γ a b)] (i : Σ a, β a) (x : γ i.1 i.2) : Sigma.curry (Pi.mulSingle i x) = Pi.mulSingle i.1 (Pi.mulSingle i.2 x) := by
simp only [Pi.mulSingle, Sigma.curry_update, Sigma.curry_one, Pi.one_apply]
1
2.718282
0
0.666667
3
623
import Mathlib.Combinatorics.SimpleGraph.Subgraph import Mathlib.Data.List.Rotate #align_import combinatorics.simple_graph.connectivity from "leanprover-community/mathlib"@"b99e2d58a5e6861833fa8de11e51a81144258db4" open Function universe u v w namespace SimpleGraph variable {V : Type u} {V' : Type v} {V'' : Typ...
Mathlib/Combinatorics/SimpleGraph/Connectivity.lean
141
143
theorem copy_nil {u u'} (hu : u = u') : (Walk.nil : G.Walk u u).copy hu hu = Walk.nil := by
subst_vars rfl
2
7.389056
1
1
6
918
import Mathlib.Algebra.Order.AbsoluteValue import Mathlib.Algebra.Ring.Prod import Mathlib.Algebra.Ring.Subring.Basic import Mathlib.Topology.Algebra.Group.Basic #align_import topology.algebra.ring.basic from "leanprover-community/mathlib"@"9a59dcb7a2d06bf55da57b9030169219980660cd" open Set Filter TopologicalSpac...
Mathlib/Topology/Algebra/Ring/Basic.lean
63
66
theorem TopologicalSemiring.continuousNeg_of_mul [TopologicalSpace α] [NonAssocRing α] [ContinuousMul α] : ContinuousNeg α where continuous_neg := by
simpa using (continuous_const.mul continuous_id : Continuous fun x : α => -1 * x)
1
2.718282
0
0
1
99
import Mathlib.Algebra.Group.Commute.Units import Mathlib.Algebra.Group.Int import Mathlib.Algebra.GroupWithZero.Semiconj import Mathlib.Data.Nat.GCD.Basic import Mathlib.Order.Bounds.Basic #align_import data.int.gcd from "leanprover-community/mathlib"@"47a1a73351de8dd6c8d3d32b569c8e434b03ca47" namespace Nat ...
Mathlib/Data/Int/GCD.lean
108
109
theorem xgcdAux_val (x y) : xgcdAux x 1 0 y 0 1 = (gcd x y, xgcd x y) := by
rw [xgcd, ← xgcdAux_fst x y 1 0 0 1]
1
2.718282
0
1.090909
11
1,188
import Mathlib.Algebra.GradedMonoid import Mathlib.Algebra.Order.Monoid.Canonical.Defs import Mathlib.Algebra.MvPolynomial.Basic #align_import ring_theory.mv_polynomial.weighted_homogeneous from "leanprover-community/mathlib"@"2f5b500a507264de86d666a5f87ddb976e2d8de4" noncomputable section open Set Function Fins...
Mathlib/RingTheory/MvPolynomial/WeightedHomogeneous.lean
68
70
theorem weightedDegree_apply (w : σ → M) (f : σ →₀ ℕ): weightedDegree w f = Finsupp.sum f (fun i c => c • w i) := by
rfl
1
2.718282
0
1.125
8
1,208
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
146
147
theorem Ico_subset_closure_interior (a b : α) : Ico a b ⊆ closure (interior (Ico a b)) := by
simpa only [dual_Ioc] using Ioc_subset_closure_interior (OrderDual.toDual b) (OrderDual.toDual a)
1
2.718282
0
0.769231
13
685
import Mathlib.Algebra.BigOperators.Fin import Mathlib.Algebra.Order.BigOperators.Group.Finset import Mathlib.Data.Finset.Sort import Mathlib.Data.Set.Subsingleton #align_import combinatorics.composition from "leanprover-community/mathlib"@"92ca63f0fb391a9ca5f22d2409a6080e786d99f7" open List variable {n : ℕ} ...
Mathlib/Combinatorics/Enumerative/Composition.lean
160
161
theorem sum_blocksFun : ∑ i, c.blocksFun i = n := by
conv_rhs => rw [← c.blocks_sum, ← ofFn_blocksFun, sum_ofFn]
1
2.718282
0
0.642857
14
553
import Mathlib.Algebra.Module.Defs import Mathlib.Algebra.Order.AbsoluteValue import Mathlib.Data.Int.Cast.Lemmas import Mathlib.GroupTheory.GroupAction.Units #align_import data.int.absolute_value from "leanprover-community/mathlib"@"9aba7801eeecebb61f58a5763c2b6dd1b47dc6ef" variable {R S : Type*} [Ring R] [Linea...
Mathlib/Data/Int/AbsoluteValue.lean
33
34
theorem AbsoluteValue.map_units_intCast [Nontrivial R] (abv : AbsoluteValue R S) (x : ℤˣ) : abv ((x : ℤ) : R) = 1 := by
rcases Int.units_eq_one_or x with (rfl | rfl) <;> simp
1
2.718282
0
0
3
76
import Mathlib.CategoryTheory.Monoidal.Mon_ #align_import category_theory.monoidal.Mod_ from "leanprover-community/mathlib"@"33085c9739c41428651ac461a323fde9a2688d9b" universe v₁ v₂ u₁ u₂ open CategoryTheory MonoidalCategory variable (C : Type u₁) [Category.{v₁} C] [MonoidalCategory.{v₁} C] variable {C} struc...
Mathlib/CategoryTheory/Monoidal/Mod_.lean
37
38
theorem assoc_flip : (A.X ◁ M.act) ≫ M.act = (α_ A.X A.X M.X).inv ≫ (A.mul ▷ M.X) ≫ M.act := by
simp
1
2.718282
0
0
2
172
import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.Analysis.Calculus.FDeriv.Comp import Mathlib.Analysis.Calculus.FDeriv.RestrictScalars #align_import analysis.calculus.deriv.comp from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" universe u v w open scoped Classical open Top...
Mathlib/Analysis/Calculus/Deriv/Comp.lean
393
396
theorem HasStrictFDerivAt.comp_hasStrictDerivAt_of_eq (hl : HasStrictFDerivAt l l' y) (hf : HasStrictDerivAt f f' x) (hy : y = f x) : HasStrictDerivAt (l ∘ f) (l' f') x := by
rw [hy] at hl; exact hl.comp_hasStrictDerivAt x hf
1
2.718282
0
0
14
81
import Mathlib.Algebra.Group.Hom.End import Mathlib.Algebra.Ring.Invertible import Mathlib.Algebra.SMulWithZero import Mathlib.Data.Int.Cast.Lemmas import Mathlib.GroupTheory.GroupAction.Units #align_import algebra.module.basic from "leanprover-community/mathlib"@"30413fc89f202a090a54d78e540963ed3de0056e" assert_n...
Mathlib/Algebra/Module/Defs.lean
104
104
theorem two_smul : (2 : R) • x = x + x := by
rw [← one_add_one_eq_two, add_smul, one_smul]
1
2.718282
0
0.333333
3
357
import Mathlib.Control.Functor import Mathlib.Tactic.Common #align_import control.bifunctor from "leanprover-community/mathlib"@"dc1525fb3ef6eb4348fb1749c302d8abc303d34a" universe u₀ u₁ u₂ v₀ v₁ v₂ open Function class Bifunctor (F : Type u₀ → Type u₁ → Type u₂) where bimap : ∀ {α α' β β'}, (α → α') → (β → β'...
Mathlib/Control/Bifunctor.lean
104
105
theorem comp_snd {α β₀ β₁ β₂} (g : β₀ → β₁) (g' : β₁ → β₂) (x : F α β₀) : snd g' (snd g x) = snd (g' ∘ g) x := by
simp [snd, bimap_bimap]
1
2.718282
0
0
4
164
import Mathlib.ModelTheory.ElementaryMaps open FirstOrder namespace FirstOrder namespace Language open Structure variable {L : Language} {M : Type*} {N : Type*} {P : Type*} {Q : Type*} variable [L.Structure M] [L.Structure N] [L.Structure P] [L.Structure Q] def Substructure.IsElementary (S : L.Substructure M...
Mathlib/ModelTheory/ElementarySubstructures.lean
111
112
theorem theory_model_iff (S : L.ElementarySubstructure M) (T : L.Theory) : S ⊨ T ↔ M ⊨ T := by
simp only [Theory.model_iff, realize_sentence]
1
2.718282
0
0
1
204
import Mathlib.MeasureTheory.Measure.NullMeasurable import Mathlib.MeasureTheory.MeasurableSpace.Basic import Mathlib.Topology.Algebra.Order.LiminfLimsup #align_import measure_theory.measure.measure_space from "leanprover-community/mathlib"@"343e80208d29d2d15f8050b929aa50fe4ce71b55" noncomputable section open Set...
Mathlib/MeasureTheory/Measure/MeasureSpace.lean
135
137
theorem measure_union_add_inter' (hs : MeasurableSet s) (t : Set α) : μ (s ∪ t) + μ (s ∩ t) = μ s + μ t := by
rw [union_comm, inter_comm, measure_union_add_inter t hs, add_comm]
1
2.718282
0
0.333333
6
331
import Mathlib.Algebra.Algebra.Defs import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.Order.Field.Canonical.Basic import Mathlib.Algebra.Order.Nonneg.Field import Mathlib.Algebra.Order.Nonneg.Floor import Mathlib.Data.Real.Pointwise import Mathlib.Order.ConditionallyCompleteLattice.Group imp...
Mathlib/Data/Real/NNReal.lean
125
126
theorem _root_.Real.toNNReal_of_nonneg {r : ℝ} (hr : 0 ≤ r) : r.toNNReal = ⟨r, hr⟩ := by
simp_rw [Real.toNNReal, max_eq_left hr]
1
2.718282
0
0
1
85
import Mathlib.Algebra.Algebra.Subalgebra.Operations import Mathlib.Algebra.Ring.Fin import Mathlib.RingTheory.Ideal.Quotient #align_import ring_theory.ideal.quotient_operations from "leanprover-community/mathlib"@"b88d81c84530450a8989e918608e5960f015e6c8" universe u v w namespace Ideal open Function RingHom var...
Mathlib/RingTheory/Ideal/QuotientOperations.lean
189
191
theorem mem_quotient_iff_mem {I J : Ideal R} (hIJ : I ≤ J) {x : R} : Quotient.mk I x ∈ J.map (Quotient.mk I) ↔ x ∈ J := by
rw [mem_quotient_iff_mem_sup, sup_eq_left.mpr hIJ]
1
2.718282
0
1.166667
6
1,238
import Mathlib.SetTheory.Game.State #align_import set_theory.game.domineering from "leanprover-community/mathlib"@"b134b2f5cf6dd25d4bbfd3c498b6e36c11a17225" namespace SetTheory namespace PGame namespace Domineering open Function @[simps!] def shiftUp : ℤ × ℤ ≃ ℤ × ℤ := (Equiv.refl ℤ).prodCongr (Equiv.addRig...
Mathlib/SetTheory/Game/Domineering.lean
125
126
theorem moveLeft_smaller {b : Board} {m : ℤ × ℤ} (h : m ∈ left b) : Finset.card (moveLeft b m) / 2 < Finset.card b / 2 := by
simp [← moveLeft_card h, lt_add_one]
1
2.718282
0
1.428571
7
1,521
import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.Algebra.Polynomial.Degree.Lemmas import Mathlib.Algebra.Polynomial.HasseDeriv #align_import data.polynomial.taylor from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" noncomputable section namespace Polynomial open Polynomial...
Mathlib/Algebra/Polynomial/Taylor.lean
121
123
theorem taylor_eval {R} [CommSemiring R] (r : R) (f : R[X]) (s : R) : (taylor r f).eval s = f.eval (s + r) := by
simp only [taylor_apply, eval_comp, eval_C, eval_X, eval_add]
1
2.718282
0
0.466667
15
415
import Mathlib.Analysis.Complex.Basic import Mathlib.Topology.FiberBundle.IsHomeomorphicTrivialBundle #align_import analysis.complex.re_im_topology from "leanprover-community/mathlib"@"468b141b14016d54b479eb7a0fff1e360b7e3cf6" open Set noncomputable section namespace Complex theorem isHomeomorphicTrivialFiber...
Mathlib/Analysis/Complex/ReImTopology.lean
114
115
theorem closure_setOf_re_lt (a : ℝ) : closure { z : ℂ | z.re < a } = { z | z.re ≤ a } := by
simpa only [closure_Iio] using closure_preimage_re (Iio a)
1
2.718282
0
0
10
135
import Mathlib.Algebra.GroupPower.IterateHom import Mathlib.Analysis.SpecificLimits.Basic import Mathlib.Order.Iterate import Mathlib.Order.SemiconjSup import Mathlib.Tactic.Monotonicity import Mathlib.Topology.Order.MonotoneContinuity #align_import dynamics.circle.rotation_number.translation_number from "leanprover-...
Mathlib/Dynamics/Circle/RotationNumber/TranslationNumber.lean
167
167
theorem map_one_add (x : ℝ) : f (1 + x) = 1 + f x := by
rw [add_comm, map_add_one, add_comm 1]
1
2.718282
0
0
3
35
import Mathlib.Data.List.OfFn import Mathlib.Data.List.Nodup import Mathlib.Data.List.Infix #align_import data.list.sort from "leanprover-community/mathlib"@"f694c7dead66f5d4c80f446c796a5aad14707f0e" open List.Perm universe u namespace List section sort variable {α : Type u} (r : α → α → Prop) [DecidableRe...
Mathlib/Data/List/Sort.lean
273
275
theorem orderedInsert_count [DecidableEq α] (L : List α) (a b : α) : count a (L.orderedInsert r b) = count a L + if a = b then 1 else 0 := by
rw [(L.perm_orderedInsert r b).count_eq, count_cons]
1
2.718282
0
1.4
5
1,484
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
132
135
theorem factorial_inj' (h : 1 < n ∨ 1 < m) : n ! = m ! ↔ n = m := by
obtain hn|hm := h · exact factorial_inj hn · rw [eq_comm, factorial_inj hm, eq_comm]
3
20.085537
1
1.333333
9
1,434
import Mathlib.Algebra.Order.Hom.Monoid import Mathlib.SetTheory.Game.Ordinal #align_import set_theory.surreal.basic from "leanprover-community/mathlib"@"8900d545017cd21961daa2a1734bb658ef52c618" universe u namespace SetTheory open scoped PGame namespace PGame def Numeric : PGame → Prop | ⟨_, _, L, R⟩ => (...
Mathlib/SetTheory/Surreal/Basic.lean
71
75
theorem numeric_def {x : PGame} : Numeric x ↔ (∀ i j, x.moveLeft i < x.moveRight j) ∧ (∀ i, Numeric (x.moveLeft i)) ∧ ∀ j, Numeric (x.moveRight j) := by
cases x; rfl
1
2.718282
0
0
4
86