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import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.Analysis.Calculus.FDeriv.Mul import Mathlib.Analysis.Calculus.FDeriv.Add #align_import analysis.calculus.deriv.mul from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" universe u v w noncomputable section open scoped Classical...
Mathlib/Analysis/Calculus/Deriv/Mul.lean
92
95
theorem HasDerivAt.smul (hc : HasDerivAt c c' x) (hf : HasDerivAt f f' x) : HasDerivAt (fun y => c y • f y) (c x • f' + c' • f x) x := by
rw [← hasDerivWithinAt_univ] at * exact hc.smul hf
2
7.389056
1
1
25
997
import Mathlib.Data.Opposite import Mathlib.Data.Set.Defs #align_import data.set.opposite from "leanprover-community/mathlib"@"fc2ed6f838ce7c9b7c7171e58d78eaf7b438fb0e" variable {α : Type*} open Opposite namespace Set protected def op (s : Set α) : Set αᵒᵖ := unop ⁻¹' s #align set.op Set.op protected def u...
Mathlib/Data/Set/Opposite.lean
39
39
theorem op_mem_op {s : Set α} {a : α} : op a ∈ s.op ↔ a ∈ s := by
rfl
1
2.718282
0
1.333333
6
1,444
import Mathlib.Data.Fintype.Option import Mathlib.Topology.Separation import Mathlib.Topology.Sets.Opens #align_import topology.alexandroff from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" open Set Filter Topology variable {X : Type*} def OnePoint (X : Type*) := Option X #ali...
Mathlib/Topology/Compactification/OnePoint.lean
144
145
theorem ne_infty_iff_exists {x : OnePoint X} : x ≠ ∞ ↔ ∃ y : X, (y : OnePoint X) = x := by
induction x using OnePoint.rec <;> simp
1
2.718282
0
0.25
4
289
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
60
61
theorem invUnitsSub_mul_sub (u : Rˣ) : invUnitsSub u * (C R u - X) = 1 := by
simp [mul_sub, sub_sub_cancel]
1
2.718282
0
0.857143
14
748
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
343
343
theorem symmDiff_top' : a ∆ ⊤ = ¬a := by
simp [symmDiff]
1
2.718282
0
0.181818
22
266
import Mathlib.Data.Matrix.Basis import Mathlib.RingTheory.TensorProduct.Basic #align_import ring_theory.matrix_algebra from "leanprover-community/mathlib"@"6c351a8fb9b06e5a542fdf427bfb9f46724f9453" suppress_compilation universe u v w open TensorProduct open TensorProduct open Algebra.TensorProduct open Matri...
Mathlib/RingTheory/MatrixAlgebra.lean
99
101
theorem invFun_smul (a : A) (M : Matrix n n A) : invFun R A n (a • M) = a ⊗ₜ 1 * invFun R A n M := by
simp [invFun, Finset.mul_sum]
1
2.718282
0
1
6
859
import Mathlib.Algebra.MonoidAlgebra.Basic #align_import algebra.monoid_algebra.division from "leanprover-community/mathlib"@"72c366d0475675f1309d3027d3d7d47ee4423951" variable {k G : Type*} [Semiring k] namespace AddMonoidAlgebra section variable [AddCancelCommMonoid G] noncomputable def divOf (x : k[G]) (g...
Mathlib/Algebra/MonoidAlgebra/Division.lean
120
121
theorem of'_divOf (a : G) : of' k G a /ᵒᶠ a = 1 := by
simpa only [one_mul] using mul_of'_divOf (1 : k[G]) a
1
2.718282
0
0.857143
7
750
import Mathlib.MeasureTheory.Constructions.Prod.Basic import Mathlib.MeasureTheory.Integral.DominatedConvergence import Mathlib.MeasureTheory.Integral.SetIntegral #align_import measure_theory.constructions.prod.integral from "leanprover-community/mathlib"@"fd5edc43dc4f10b85abfe544b88f82cf13c5f844" noncomputable s...
Mathlib/MeasureTheory/Constructions/Prod/Integral.lean
127
129
theorem MeasureTheory.StronglyMeasurable.integral_prod_right' [SigmaFinite ν] ⦃f : α × β → E⦄ (hf : StronglyMeasurable f) : StronglyMeasurable fun x => ∫ y, f (x, y) ∂ν := by
rw [← uncurry_curry f] at hf; exact hf.integral_prod_right
1
2.718282
0
1.25
4
1,304
import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.Analysis.Calculus.FDeriv.Add #align_import analysis.calculus.deriv.add from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" universe u v w open scoped Classical open Topology Filter ENNReal open Filter Asymptotics Set variable...
Mathlib/Analysis/Calculus/Deriv/Add.lean
208
210
theorem derivWithin.neg (hxs : UniqueDiffWithinAt 𝕜 s x) : derivWithin (fun y => -f y) s x = -derivWithin f s x := by
simp only [derivWithin, fderivWithin_neg hxs, ContinuousLinearMap.neg_apply]
1
2.718282
0
0
8
26
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
347
348
theorem mem_col_iff {μ : YoungDiagram} {j : ℕ} {c : ℕ × ℕ} : c ∈ μ.col j ↔ c ∈ μ ∧ c.snd = j := by
simp [col]
1
2.718282
0
0.769231
13
683
import Mathlib.Algebra.Order.Group.PiLex import Mathlib.Data.DFinsupp.Order import Mathlib.Data.DFinsupp.NeLocus import Mathlib.Order.WellFoundedSet #align_import data.dfinsupp.lex from "leanprover-community/mathlib"@"dde670c9a3f503647fd5bfdf1037bad526d3397a" variable {ι : Type*} {α : ι → Type*} namespace DFinsu...
Mathlib/Data/DFinsupp/Lex.lean
133
139
theorem toLex_monotone : Monotone (@toLex (Π₀ i, α i)) := by
intro a b h refine le_of_lt_or_eq (or_iff_not_imp_right.2 fun hne ↦ ?_) classical exact ⟨Finset.min' _ (nonempty_neLocus_iff.2 hne), fun j hj ↦ not_mem_neLocus.1 fun h ↦ (Finset.min'_le _ _ h).not_lt hj, (h _).lt_of_ne (mem_neLocus.1 <| Finset.min'_mem _ _)⟩
6
403.428793
2
1.666667
3
1,829
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
45
46
theorem units_coe_mul_self (u : ℤˣ) : (u * u : ℤ) = 1 := by
rw [← Units.val_mul, units_mul_self, Units.val_one]
1
2.718282
0
0.222222
9
285
import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryTheory.Limits.Cones #align_import category_theory.limits.is_limit from "leanprover-community/mathlib"@"740acc0e6f9adf4423f92a485d0456fc271482da" noncomputable section open CategoryTheory CategoryTheory.Category CategoryTheory.Functor Opposite ...
Mathlib/CategoryTheory/Limits/IsLimit.lean
101
104
theorem uniq_cone_morphism {s t : Cone F} (h : IsLimit t) {f f' : s ⟶ t} : f = f' := have : ∀ {g : s ⟶ t}, g = h.liftConeMorphism s := by
intro g; apply ConeMorphism.ext; exact h.uniq _ _ g.w this.trans this.symm
2
7.389056
1
1
1
958
import Mathlib.SetTheory.Game.Ordinal import Mathlib.SetTheory.Ordinal.NaturalOps #align_import set_theory.game.birthday from "leanprover-community/mathlib"@"a347076985674932c0e91da09b9961ed0a79508c" universe u open Ordinal namespace SetTheory open scoped NaturalOps PGame namespace PGame noncomputable def b...
Mathlib/SetTheory/Game/Birthday.lean
59
61
theorem birthday_moveRight_lt {x : PGame} (i : x.RightMoves) : (x.moveRight i).birthday < x.birthday := by
cases x; rw [birthday]; exact lt_max_of_lt_right (lt_lsub _ i)
1
2.718282
0
0.4
10
387
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
394
394
theorem lt_inv' : a < b⁻¹ ↔ b < a⁻¹ := by
rw [← inv_lt_inv_iff, inv_inv]
1
2.718282
0
0.4
25
400
import Mathlib.Tactic.Ring #align_import algebra.group_power.identities from "leanprover-community/mathlib"@"c4658a649d216f57e99621708b09dcb3dcccbd23" variable {R : Type*} [CommRing R] {a b x₁ x₂ x₃ x₄ x₅ x₆ x₇ x₈ y₁ y₂ y₃ y₄ y₅ y₆ y₇ y₈ n : R} theorem sq_add_sq_mul_sq_add_sq : (x₁ ^ 2 + x₂ ^ 2) * (y₁ ^ 2 +...
Mathlib/Algebra/Ring/Identities.lean
67
78
theorem sum_eight_sq_mul_sum_eight_sq : (x₁ ^ 2 + x₂ ^ 2 + x₃ ^ 2 + x₄ ^ 2 + x₅ ^ 2 + x₆ ^ 2 + x₇ ^ 2 + x₈ ^ 2) * (y₁ ^ 2 + y₂ ^ 2 + y₃ ^ 2 + y₄ ^ 2 + y₅ ^ 2 + y₆ ^ 2 + y₇ ^ 2 + y₈ ^ 2) = (x₁ * y₁ - x₂ * y₂ - x₃ * y₃ - x₄ * y₄ - x₅ * y₅ - x₆ * y₆ - x₇ * y₇ - x₈ * y₈) ^ 2 + (x₁ * y₂ + x₂ * y₁ + x₃ * ...
ring
1
2.718282
0
0
6
55
import Mathlib.Algebra.Group.Even import Mathlib.Algebra.Order.Monoid.Canonical.Defs import Mathlib.Algebra.Order.Sub.Defs #align_import algebra.order.sub.canonical from "leanprover-community/mathlib"@"62a5626868683c104774de8d85b9855234ac807c" variable {α : Type*} section ExistsAddOfLE variable [AddCommSemigrou...
Mathlib/Algebra/Order/Sub/Canonical.lean
48
49
theorem tsub_left_inj (h1 : c ≤ a) (h2 : c ≤ b) : a - c = b - c ↔ a = b := by
simp_rw [le_antisymm_iff, tsub_le_tsub_iff_right h1, tsub_le_tsub_iff_right h2]
1
2.718282
0
0.571429
7
515
import Mathlib.LinearAlgebra.Finsupp import Mathlib.RingTheory.Ideal.Over import Mathlib.RingTheory.Ideal.Prod import Mathlib.RingTheory.Ideal.MinimalPrime import Mathlib.RingTheory.Localization.Away.Basic import Mathlib.RingTheory.Nilpotent.Lemmas import Mathlib.Topology.Sets.Closeds import Mathlib.Topology.Sober #a...
Mathlib/AlgebraicGeometry/PrimeSpectrum/Basic.lean
178
179
theorem vanishingIdeal_singleton (x : PrimeSpectrum R) : vanishingIdeal ({x} : Set (PrimeSpectrum R)) = x.asIdeal := by
simp [vanishingIdeal]
1
2.718282
0
0.833333
6
733
import Mathlib.Order.Interval.Finset.Nat #align_import data.fin.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" assert_not_exists MonoidWithZero open Finset Fin Function namespace Fin variable (n : ℕ) instance instLocallyFiniteOrder : LocallyFiniteOrder (Fin n) := Orde...
Mathlib/Order/Interval/Finset/Fin.lean
89
90
theorem map_valEmbedding_Ioc : (Ioc a b).map Fin.valEmbedding = Ioc ↑a ↑b := by
simp [Ioc_eq_finset_subtype, Finset.fin, Finset.map_map, Ioc_filter_lt_of_lt_right]
1
2.718282
0
0.125
16
251
import Mathlib.Algebra.Polynomial.Degree.TrailingDegree import Mathlib.Algebra.Polynomial.EraseLead import Mathlib.Algebra.Polynomial.Eval #align_import data.polynomial.reverse from "leanprover-community/mathlib"@"44de64f183393284a16016dfb2a48ac97382f2bd" namespace Polynomial open Polynomial Finsupp Finset open...
Mathlib/Algebra/Polynomial/Reverse.lean
50
52
theorem revAtFun_inj {N : ℕ} : Function.Injective (revAtFun N) := by
intro a b hab rw [← @revAtFun_invol N a, hab, revAtFun_invol]
2
7.389056
1
1
12
945
import Mathlib.Geometry.Manifold.ContMDiff.Defs open Set Filter Function open scoped Topology 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 H] (I : Mode...
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
81
84
theorem ContMDiffWithinAt.comp_of_eq {t : Set M'} {g : M' → M''} {x : M} {y : M'} (hg : ContMDiffWithinAt I' I'' n g t y) (hf : ContMDiffWithinAt I I' n f s x) (st : MapsTo f s t) (hx : f x = y) : ContMDiffWithinAt I I'' n (g ∘ f) s x := by
subst hx; exact hg.comp x hf st
1
2.718282
0
0.833333
6
725
import Mathlib.Algebra.GroupWithZero.NonZeroDivisors import Mathlib.Algebra.Polynomial.AlgebraMap import Mathlib.RingTheory.Coprime.Basic import Mathlib.Tactic.AdaptationNote #align_import ring_theory.polynomial.scale_roots from "leanprover-community/mathlib"@"40ac1b258344e0c2b4568dc37bfad937ec35a727" variable {R...
Mathlib/RingTheory/Polynomial/ScaleRoots.lean
62
64
theorem support_scaleRoots_le (p : R[X]) (s : R) : (scaleRoots p s).support ≤ p.support := by
intro simpa using left_ne_zero_of_mul
2
7.389056
1
0.777778
9
688
import Mathlib.Analysis.SpecialFunctions.Trigonometric.Deriv import Mathlib.Analysis.SpecialFunctions.Log.Basic #align_import analysis.special_functions.arsinh from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" noncomputable section open Function Filter Set open scoped Topology name...
Mathlib/Analysis/SpecialFunctions/Arsinh.lean
78
79
theorem sinh_arsinh (x : ℝ) : sinh (arsinh x) = x := by
rw [sinh_eq, ← arsinh_neg, exp_arsinh, exp_arsinh, neg_sq]; field_simp
1
2.718282
0
0.625
8
547
import Mathlib.MeasureTheory.Measure.Haar.InnerProductSpace import Mathlib.MeasureTheory.Measure.Lebesgue.EqHaar import Mathlib.MeasureTheory.Integral.SetIntegral #align_import measure_theory.measure.haar.normed_space from "leanprover-community/mathlib"@"b84aee748341da06a6d78491367e2c0e9f15e8a5" noncomputable sect...
Mathlib/MeasureTheory/Measure/Haar/NormedSpace.lean
128
130
theorem setIntegral_comp_smul_of_pos (f : E → F) {R : ℝ} (s : Set E) (hR : 0 < R) : ∫ x in s, f (R • x) ∂μ = (R ^ finrank ℝ E)⁻¹ • ∫ x in R • s, f x ∂μ := by
rw [setIntegral_comp_smul μ f s hR.ne', abs_of_nonneg (inv_nonneg.2 (pow_nonneg hR.le _))]
1
2.718282
0
0.75
8
658
import Mathlib.Init.Control.Combinators import Mathlib.Data.Option.Defs import Mathlib.Logic.IsEmpty import Mathlib.Logic.Relator import Mathlib.Util.CompileInductive import Aesop #align_import data.option.basic from "leanprover-community/mathlib"@"f340f229b1f461aa1c8ee11e0a172d0a3b301a4a" universe u namespace Op...
Mathlib/Data/Option/Basic.lean
61
62
theorem exists_mem_map {f : α → β} {o : Option α} {p : β → Prop} : (∃ y ∈ o.map f, p y) ↔ ∃ x ∈ o, p (f x) := by
simp
1
2.718282
0
0
8
110
import Mathlib.Algebra.Group.Defs import Mathlib.Algebra.Group.Prod import Mathlib.Data.PNat.Basic import Mathlib.GroupTheory.GroupAction.Prod variable {M : Type*} class PNatPowAssoc (M : Type*) [Mul M] [Pow M ℕ+] : Prop where protected ppow_add : ∀ (k n : ℕ+) (x : M), x ^ (k + n) = x ^ k * x ^ n prote...
Mathlib/Algebra/Group/PNatPowAssoc.lean
64
65
theorem ppow_mul_comm (m n : ℕ+) (x : M) : x ^ m * x ^ n = x ^ n * x ^ m := by
simp only [← ppow_add, add_comm]
1
2.718282
0
0.5
4
485
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
142
143
theorem cast_lt_one : (n : α) < 1 ↔ n = 0 := by
rw [← cast_one, cast_lt, Nat.lt_succ_iff, ← bot_eq_zero, le_bot_iff]
1
2.718282
0
0.166667
6
261
import Mathlib.MeasureTheory.Integral.Lebesgue open Set hiding restrict restrict_apply open Filter ENNReal NNReal MeasureTheory.Measure namespace MeasureTheory variable {α : Type*} {m0 : MeasurableSpace α} {μ : Measure α} noncomputable def Measure.withDensity {m : MeasurableSpace α} (μ : Measure α) (f : α → ℝ≥...
Mathlib/MeasureTheory/Measure/WithDensity.lean
105
107
theorem withDensity_add_right (f : α → ℝ≥0∞) {g : α → ℝ≥0∞} (hg : Measurable g) : μ.withDensity (f + g) = μ.withDensity f + μ.withDensity g := by
simpa only [add_comm] using withDensity_add_left hg f
1
2.718282
0
1.272727
11
1,348
import Mathlib.Algebra.Polynomial.Degree.Definitions import Mathlib.Algebra.Polynomial.Induction #align_import data.polynomial.eval from "leanprover-community/mathlib"@"728baa2f54e6062c5879a3e397ac6bac323e506f" set_option linter.uppercaseLean3 false noncomputable section open Finset AddMonoidAlgebra open Polyn...
Mathlib/Algebra/Polynomial/Eval.lean
69
69
theorem eval₂_C : (C a).eval₂ f x = f a := by
simp [eval₂_eq_sum]
1
2.718282
0
0.6
15
534
import Mathlib.Data.Matrix.Block import Mathlib.Data.Matrix.Notation import Mathlib.Data.Matrix.RowCol import Mathlib.GroupTheory.GroupAction.Ring import Mathlib.GroupTheory.Perm.Fin import Mathlib.LinearAlgebra.Alternating.Basic #align_import linear_algebra.matrix.determinant from "leanprover-community/mathlib"@"c30...
Mathlib/LinearAlgebra/Matrix/Determinant/Basic.lean
68
69
theorem det_apply' (M : Matrix n n R) : M.det = ∑ σ : Perm n, ε σ * ∏ i, M (σ i) i := by
simp [det_apply, Units.smul_def]
1
2.718282
0
0.888889
9
771
import Mathlib.Analysis.Calculus.FDeriv.Bilinear #align_import analysis.calculus.fderiv.mul from "leanprover-community/mathlib"@"d608fc5d4e69d4cc21885913fb573a88b0deb521" open scoped Classical open Filter Asymptotics ContinuousLinearMap Set Metric Topology NNReal ENNReal noncomputable section section variable ...
Mathlib/Analysis/Calculus/FDeriv/Mul.lean
313
315
theorem HasFDerivWithinAt.smul_const (hc : HasFDerivWithinAt c c' s x) (f : F) : HasFDerivWithinAt (fun y => c y • f) (c'.smulRight f) s x := by
simpa only [smul_zero, zero_add] using hc.smul (hasFDerivWithinAt_const f x s)
1
2.718282
0
0.375
8
376
import Mathlib.Algebra.Associated import Mathlib.Algebra.Ring.Regular import Mathlib.Tactic.Common #align_import algebra.gcd_monoid.basic from "leanprover-community/mathlib"@"550b58538991c8977703fdeb7c9d51a5aa27df11" variable {α : Type*} -- Porting note: mathlib3 had a `@[protect_proj]` here, but adding `protect...
Mathlib/Algebra/GCDMonoid/Basic.lean
169
169
theorem normalize_idem (x : α) : normalize (normalize x) = normalize x := by
simp
1
2.718282
0
1
4
809
import Mathlib.RingTheory.Polynomial.Basic import Mathlib.RingTheory.Ideal.LocalRing #align_import data.polynomial.expand from "leanprover-community/mathlib"@"bbeb185db4ccee8ed07dc48449414ebfa39cb821" universe u v w open Polynomial open Finset namespace Polynomial section CommSemiring variable (R : Type u) [...
Mathlib/Algebra/Polynomial/Expand.lean
48
49
theorem expand_eq_sum {f : R[X]} : expand R p f = f.sum fun e a => C a * (X ^ p) ^ e := by
simp [expand, eval₂]
1
2.718282
0
0.285714
7
311
import Mathlib.Algebra.Field.Basic import Mathlib.Algebra.Order.Group.Basic import Mathlib.Algebra.Order.Ring.Basic import Mathlib.RingTheory.Int.Basic import Mathlib.Tactic.Ring import Mathlib.Tactic.FieldSimp import Mathlib.Data.Int.NatPrime import Mathlib.Data.ZMod.Basic #align_import number_theory.pythagorean_tri...
Mathlib/NumberTheory/PythagoreanTriples.lean
60
61
theorem PythagoreanTriple.zero : PythagoreanTriple 0 0 0 := by
simp only [PythagoreanTriple, zero_mul, zero_add]
1
2.718282
0
1.2
10
1,251
import Batteries.Data.Fin.Basic namespace Fin attribute [norm_cast] val_last protected theorem le_antisymm_iff {x y : Fin n} : x = y ↔ x ≤ y ∧ y ≤ x := Fin.ext_iff.trans Nat.le_antisymm_iff protected theorem le_antisymm {x y : Fin n} (h1 : x ≤ y) (h2 : y ≤ x) : x = y := Fin.le_antisymm_iff.2 ⟨h1, h2⟩ @[simp...
.lake/packages/batteries/Batteries/Data/Fin/Lemmas.lean
66
73
theorem foldl_loop (f : α → Fin (n+1) → α) (x) (h : m < n+1) : foldl.loop (n+1) f x m = foldl.loop n (fun x i => f x i.succ) (f x ⟨m, h⟩) m := by
if h' : m < n then rw [foldl_loop_lt _ _ h, foldl_loop_lt _ _ h', foldl_loop]; rfl else cases Nat.le_antisymm (Nat.le_of_lt_succ h) (Nat.not_lt.1 h') rw [foldl_loop_lt, foldl_loop_eq, foldl_loop_eq] termination_by n - m
6
403.428793
2
1.090909
11
1,186
import Mathlib.Data.Finset.Pointwise #align_import combinatorics.additive.e_transform from "leanprover-community/mathlib"@"207c92594599a06e7c134f8d00a030a83e6c7259" open MulOpposite open Pointwise variable {α : Type*} [DecidableEq α] namespace Finset section CommGroup variable [CommGroup α] (e : α) (x : F...
Mathlib/Combinatorics/Additive/ETransform.lean
66
70
theorem mulDysonETransform.card : (mulDysonETransform e x).1.card + (mulDysonETransform e x).2.card = x.1.card + x.2.card := by
dsimp rw [← card_smul_finset e (_ ∩ _), smul_finset_inter, smul_inv_smul, inter_comm, card_union_add_card_inter, card_smul_finset]
3
20.085537
1
0.875
8
758
import Mathlib.Topology.Algebra.Algebra import Mathlib.Topology.ContinuousFunction.Compact import Mathlib.Topology.UrysohnsLemma import Mathlib.Analysis.RCLike.Basic import Mathlib.Analysis.NormedSpace.Units import Mathlib.Topology.Algebra.Module.CharacterSpace #align_import topology.continuous_function.ideals from "...
Mathlib/Topology/ContinuousFunction/Ideals.lean
103
105
theorem mem_idealOfSet {s : Set X} {f : C(X, R)} : f ∈ idealOfSet R s ↔ ∀ ⦃x : X⦄, x ∈ sᶜ → f x = 0 := by
convert Iff.rfl
1
2.718282
0
0.625
8
544
import Mathlib.LinearAlgebra.Projectivization.Basic #align_import linear_algebra.projective_space.independence from "leanprover-community/mathlib"@"1e82f5ec4645f6a92bb9e02fce51e44e3bc3e1fe" open scoped LinearAlgebra.Projectivization variable {ι K V : Type*} [DivisionRing K] [AddCommGroup V] [Module K V] {f : ι → ...
Mathlib/LinearAlgebra/Projectivization/Independence.lean
119
120
theorem independent_pair_iff_neq (u v : ℙ K V) : Independent ![u, v] ↔ u ≠ v := by
rw [independent_iff_not_dependent, dependent_pair_iff_eq u v]
1
2.718282
0
1.142857
7
1,223
import Mathlib.Data.Set.Image import Mathlib.Data.SProd #align_import data.set.prod from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" open Function namespace Set section Prod variable {α β γ δ : Type*} {s s₁ s₂ : Set α} {t t₁ t₂ : Set β} {a : α} {b : β} theorem Subsingleton.pro...
Mathlib/Data/Set/Prod.lean
104
104
theorem prod_univ {s : Set α} : s ×ˢ (univ : Set β) = Prod.fst ⁻¹' s := by
simp [prod_eq]
1
2.718282
0
0.692308
13
638
import Mathlib.Analysis.Calculus.ContDiff.RCLike import Mathlib.MeasureTheory.Measure.Hausdorff #align_import topology.metric_space.hausdorff_dimension from "leanprover-community/mathlib"@"8f9fea08977f7e450770933ee6abb20733b47c92" open scoped MeasureTheory ENNReal NNReal Topology open MeasureTheory MeasureTheory...
Mathlib/Topology/MetricSpace/HausdorffDimension.lean
110
111
theorem dimH_def (s : Set X) : dimH s = ⨆ (d : ℝ≥0) (_ : μH[d] s = ∞), (d : ℝ≥0∞) := by
borelize X; rw [dimH]
1
2.718282
0
1
4
902
import Mathlib.Data.ENNReal.Basic import Mathlib.Topology.ContinuousFunction.Bounded import Mathlib.Topology.MetricSpace.Thickening #align_import topology.metric_space.thickened_indicator from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open scoped Classical open NNReal ENNReal Topol...
Mathlib/Topology/MetricSpace/ThickenedIndicator.lean
89
91
theorem thickenedIndicatorAux_one_of_mem_closure (δ : ℝ) (E : Set α) {x : α} (x_mem : x ∈ closure E) : thickenedIndicatorAux δ E x = 1 := by
rw [← thickenedIndicatorAux_closure_eq, thickenedIndicatorAux_one δ (closure E) x_mem]
1
2.718282
0
1
8
1,081
import Mathlib.Algebra.MonoidAlgebra.Basic import Mathlib.LinearAlgebra.Basis.VectorSpace import Mathlib.RingTheory.SimpleModule #align_import representation_theory.maschke from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" universe u v w noncomputable section open Module MonoidAlgeb...
Mathlib/RepresentationTheory/Maschke.lean
125
127
theorem equivariantProjection_apply (v : W) : π.equivariantProjection G v = ⅟(Fintype.card G : k) • ∑ g : G, π.conjugate g v := by
simp only [equivariantProjection, smul_apply, sumOfConjugatesEquivariant_apply]
1
2.718282
0
1
3
927
import Mathlib.Algebra.Algebra.Operations import Mathlib.Algebra.Algebra.Subalgebra.Basic import Mathlib.Algebra.Ring.Subring.Pointwise import Mathlib.RingTheory.Adjoin.Basic #align_import algebra.algebra.subalgebra.pointwise from "leanprover-community/mathlib"@"b2c707cd190a58ea0565c86695a19e99ccecc215" namespace...
Mathlib/Algebra/Algebra/Subalgebra/Pointwise.lean
48
65
theorem mul_toSubmodule {R : Type*} {A : Type*} [CommSemiring R] [CommSemiring A] [Algebra R A] (S T : Subalgebra R A) : (Subalgebra.toSubmodule S) * (Subalgebra.toSubmodule T) = Subalgebra.toSubmodule (S ⊔ T) := by
refine le_antisymm (mul_toSubmodule_le _ _) ?_ rintro x (hx : x ∈ Algebra.adjoin R (S ∪ T : Set A)) refine Algebra.adjoin_induction hx (fun x hx => ?_) (fun r => ?_) (fun _ _ => Submodule.add_mem _) fun x y hx hy => ?_ · cases' hx with hxS hxT · rw [← mul_one x] exact Submodule.mul_mem_mul ...
15
3,269,017.372472
2
2
3
2,120
import Mathlib.Algebra.Group.Pi.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.Interval.Set.UnorderedInterval import Mathlib.Data.Set.Lattice #align_import data.set.intervals.pi from "leanprover-community/mathlib"@"e4bc74cbaf429d706cb9140902f7ca6c431e75a4" -- Porting note: Added, since dot nota...
Mathlib/Order/Interval/Set/Pi.lean
101
109
theorem pi_univ_Ioc_update_right {x y : ∀ i, α i} {i₀ : ι} {m : α i₀} (hm : m ≤ y i₀) : (pi univ fun i ↦ Ioc (x i) (update y i₀ m i)) = { z | z i₀ ≤ m } ∩ pi univ fun i ↦ Ioc (x i) (y i) := by
have : Ioc (x i₀) m = Iic m ∩ Ioc (x i₀) (y i₀) := by rw [← Ioi_inter_Iic, ← Ioi_inter_Iic, inter_left_comm, inter_eq_self_of_subset_left (Iic_subset_Iic.2 hm)] simp_rw [univ_pi_update i₀ y m fun i z ↦ Ioc (x i) z, ← pi_inter_compl ({i₀} : Set ι), singleton_pi', ← inter_assoc, this] rfl
6
403.428793
2
2
3
1,935
import Mathlib.Data.Finset.Image import Mathlib.Data.List.FinRange #align_import data.fintype.basic from "leanprover-community/mathlib"@"d78597269638367c3863d40d45108f52207e03cf" assert_not_exists MonoidWithZero assert_not_exists MulAction open Function open Nat universe u v variable {α β γ : Type*} class Fi...
Mathlib/Data/Fintype/Basic.lean
104
105
theorem univ_nonempty_iff : (univ : Finset α).Nonempty ↔ Nonempty α := by
rw [← coe_nonempty, coe_univ, Set.nonempty_iff_univ_nonempty]
1
2.718282
0
0.111111
9
248
import Mathlib.MeasureTheory.Integral.SetIntegral #align_import measure_theory.integral.average from "leanprover-community/mathlib"@"c14c8fcde993801fca8946b0d80131a1a81d1520" open ENNReal MeasureTheory MeasureTheory.Measure Metric Set Filter TopologicalSpace Function open scoped Topology ENNReal Convex variable...
Mathlib/MeasureTheory/Integral/Average.lean
361
362
theorem average_congr {f g : α → E} (h : f =ᵐ[μ] g) : ⨍ x, f x ∂μ = ⨍ x, g x ∂μ := by
simp only [average_eq, integral_congr_ae h]
1
2.718282
0
0.347826
23
374
import Mathlib.Topology.ContinuousFunction.Bounded import Mathlib.Topology.UniformSpace.Compact import Mathlib.Topology.CompactOpen import Mathlib.Topology.Sets.Compacts import Mathlib.Analysis.Normed.Group.InfiniteSum #align_import topology.continuous_function.compact from "leanprover-community/mathlib"@"d3af0609f6d...
Mathlib/Topology/ContinuousFunction/Compact.lean
137
138
theorem dist_le (C0 : (0 : ℝ) ≤ C) : dist f g ≤ C ↔ ∀ x : α, dist (f x) (g x) ≤ C := by
simp only [← dist_mkOfCompact, BoundedContinuousFunction.dist_le C0, mkOfCompact_apply]
1
2.718282
0
0.4
5
384
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
64
65
theorem cantorFunctionAux_true (h : f n = true) : cantorFunctionAux c f n = c ^ n := by
simp [cantorFunctionAux, h]
1
2.718282
0
0.909091
11
786
import Mathlib.CategoryTheory.NatIso import Mathlib.CategoryTheory.EqToHom #align_import category_theory.quotient from "leanprover-community/mathlib"@"740acc0e6f9adf4423f92a485d0456fc271482da" def HomRel (C) [Quiver C] := ∀ ⦃X Y : C⦄, (X ⟶ Y) → (X ⟶ Y) → Prop #align hom_rel HomRel -- Porting Note: `deriving I...
Mathlib/CategoryTheory/Quotient.lean
65
66
theorem CompClosure.of {a b : C} (m₁ m₂ : a ⟶ b) (h : r m₁ m₂) : CompClosure r m₁ m₂ := by
simpa using CompClosure.intro (𝟙 _) m₁ m₂ (𝟙 _) h
1
2.718282
0
0
1
195
import Mathlib.Algebra.FreeMonoid.Basic import Mathlib.Algebra.Group.Submonoid.MulOpposite import Mathlib.Algebra.Group.Submonoid.Operations import Mathlib.Algebra.GroupWithZero.Divisibility import Mathlib.Data.Finset.NoncommProd import Mathlib.Data.Int.Order.Lemmas #align_import group_theory.submonoid.membership fro...
Mathlib/Algebra/Group/Submonoid/Membership.lean
254
257
theorem mem_iSup_of_mem {ι : Sort*} {S : ι → Submonoid M} (i : ι) : ∀ {x : M}, x ∈ S i → x ∈ iSup S := by
rw [← SetLike.le_def] exact le_iSup _ _
2
7.389056
1
0.875
8
759
import Mathlib.Analysis.InnerProductSpace.Dual import Mathlib.Analysis.Calculus.FDeriv.Basic import Mathlib.Analysis.Calculus.Deriv.Basic open Topology InnerProductSpace Set noncomputable section variable {𝕜 F : Type*} [RCLike 𝕜] variable [NormedAddCommGroup F] [InnerProductSpace 𝕜 F] [CompleteSpace F] variabl...
Mathlib/Analysis/Calculus/Gradient/Basic.lean
90
92
theorem hasFDerivWithinAt_iff_hasGradientWithinAt {frechet : F →L[𝕜] 𝕜} {s : Set F} : HasFDerivWithinAt f frechet s x ↔ HasGradientWithinAt f ((toDual 𝕜 F).symm frechet) s x := by
rw [hasGradientWithinAt_iff_hasFDerivWithinAt, (toDual 𝕜 F).apply_symm_apply frechet]
1
2.718282
0
0.538462
13
511
import Mathlib.Algebra.Group.Commute.Units import Mathlib.Algebra.Group.Invertible.Defs import Mathlib.Algebra.Group.Hom.Defs import Mathlib.Logic.Equiv.Defs #align_import algebra.invertible from "leanprover-community/mathlib"@"722b3b152ddd5e0cf21c0a29787c76596cb6b422" assert_not_exists MonoidWithZero assert_not_ex...
Mathlib/Algebra/Group/Invertible/Basic.lean
69
74
theorem Commute.invOf_right [Monoid α] {a b : α} [Invertible b] (h : Commute a b) : Commute a (⅟ b) := calc a * ⅟ b = ⅟ b * (b * a * ⅟ b) := by
simp [mul_assoc] _ = ⅟ b * (a * b * ⅟ b) := by rw [h.eq] _ = ⅟ b * a := by simp [mul_assoc]
3
20.085537
1
1
2
1,017
import Mathlib.Analysis.Calculus.Deriv.Slope import Mathlib.Analysis.Calculus.Deriv.Inv #align_import analysis.calculus.dslope from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" open scoped Classical Topology Filter open Function Set Filter variable {𝕜 E : Type*} [NontriviallyNormed...
Mathlib/Analysis/Calculus/Dslope.lean
72
74
theorem dslope_sub_smul_of_ne (f : 𝕜 → E) (h : b ≠ a) : dslope (fun x => (x - a) • f x) a b = f b := by
rw [dslope_of_ne _ h, slope_sub_smul _ h.symm]
1
2.718282
0
0.875
8
764
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
116
116
theorem intrinsicFrontier_empty : intrinsicFrontier 𝕜 (∅ : Set P) = ∅ := by
simp [intrinsicFrontier]
1
2.718282
0
0.571429
7
518
import Mathlib.Order.ConditionallyCompleteLattice.Finset import Mathlib.Order.Interval.Finset.Nat #align_import data.nat.lattice from "leanprover-community/mathlib"@"52fa514ec337dd970d71d8de8d0fd68b455a1e54" assert_not_exists MonoidWithZero open Set namespace Nat open scoped Classical noncomputable instance : ...
Mathlib/Data/Nat/Lattice.lean
66
67
theorem iInf_of_empty {ι : Sort*} [IsEmpty ι] (f : ι → ℕ) : iInf f = 0 := by
rw [iInf_of_isEmpty, sInf_empty]
1
2.718282
0
1.285714
7
1,355
import Mathlib.Algebra.Group.Center #align_import group_theory.subsemigroup.centralizer from "leanprover-community/mathlib"@"cc67cd75b4e54191e13c2e8d722289a89e67e4fa" variable {M : Type*} {S T : Set M} namespace Set variable (S) @[to_additive addCentralizer " The centralizer of a subset of an additive magma. ...
Mathlib/Algebra/Group/Centralizer.lean
64
65
theorem zero_mem_centralizer [MulZeroClass M] : (0 : M) ∈ centralizer S := by
simp [mem_centralizer_iff]
1
2.718282
0
0.5
4
427
import Mathlib.Analysis.Analytic.Basic import Mathlib.Analysis.Complex.Basic import Mathlib.Analysis.Normed.Field.InfiniteSum import Mathlib.Data.Nat.Choose.Cast import Mathlib.Data.Finset.NoncommProd import Mathlib.Topology.Algebra.Algebra #align_import analysis.normed_space.exponential from "leanprover-community/ma...
Mathlib/Analysis/NormedSpace/Exponential.lean
150
151
theorem exp_op [T2Space 𝔸] (x : 𝔸) : exp 𝕂 (MulOpposite.op x) = MulOpposite.op (exp 𝕂 x) := by
simp_rw [exp, expSeries_sum_eq, ← MulOpposite.op_pow, ← MulOpposite.op_smul, tsum_op]
1
2.718282
0
0.428571
7
408
import Mathlib.MeasureTheory.Function.LpOrder #align_import measure_theory.function.l1_space from "leanprover-community/mathlib"@"ccdbfb6e5614667af5aa3ab2d50885e0ef44a46f" noncomputable section open scoped Classical open Topology ENNReal MeasureTheory NNReal open Set Filter TopologicalSpace ENNReal EMetric Meas...
Mathlib/MeasureTheory/Function/L1Space.lean
70
72
theorem lintegral_norm_eq_lintegral_edist (f : α → β) : ∫⁻ a, ENNReal.ofReal ‖f a‖ ∂μ = ∫⁻ a, edist (f a) 0 ∂μ := by
simp only [ofReal_norm_eq_coe_nnnorm, edist_eq_coe_nnnorm]
1
2.718282
0
0.3
10
320
import Mathlib.LinearAlgebra.LinearIndependent #align_import linear_algebra.dimension from "leanprover-community/mathlib"@"47a5f8186becdbc826190ced4312f8199f9db6a5" noncomputable section universe w w' u u' v v' variable {R : Type u} {R' : Type u'} {M M₁ : Type v} {M' : Type v'} open Cardinal Submodule Function...
Mathlib/LinearAlgebra/Dimension/Basic.lean
92
94
theorem cardinal_le_rank {ι : Type v} {v : ι → M} (hv : LinearIndependent R v) : #ι ≤ Module.rank R M := by
simpa using hv.cardinal_lift_le_rank
1
2.718282
0
0.5
2
445
import Mathlib.Data.Finsupp.Basic import Mathlib.Data.List.AList #align_import data.finsupp.alist from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" namespace Finsupp variable {α M : Type*} [Zero M] @[simps] noncomputable def toAList (f : α →₀ M) : AList fun _x : α => M := ⟨f.grap...
Mathlib/Data/Finsupp/AList.lean
48
49
theorem mem_toAlist {f : α →₀ M} {x : α} : x ∈ f.toAList ↔ f x ≠ 0 := by
classical rw [AList.mem_keys, ← List.mem_toFinset, toAList_keys_toFinset, mem_support_iff]
1
2.718282
0
0.777778
9
691
import Mathlib.Algebra.Group.Subgroup.Pointwise import Mathlib.GroupTheory.GroupAction.ConjAct import Mathlib.GroupTheory.Index #align_import group_theory.commensurable from "leanprover-community/mathlib"@"48085f140e684306f9e7da907cd5932056d1aded" variable {G : Type*} [Group G] def Commensurable (H K : Subgroup...
Mathlib/GroupTheory/Commensurable.lean
81
82
theorem commensurable_inv (H : Subgroup G) (g : ConjAct G) : Commensurable (g • H) H ↔ Commensurable H (g⁻¹ • H) := by
rw [commensurable_conj, inv_smul_smul]
1
2.718282
0
0
1
39
import Mathlib.Data.Finset.Prod import Mathlib.Data.Set.Finite #align_import data.finset.n_ary from "leanprover-community/mathlib"@"eba7871095e834365616b5e43c8c7bb0b37058d0" open Function Set variable {α α' β β' γ γ' δ δ' ε ε' ζ ζ' ν : Type*} namespace Finset variable [DecidableEq α'] [DecidableEq β'] [Decidabl...
Mathlib/Data/Finset/NAry.lean
43
44
theorem mem_image₂ : c ∈ image₂ f s t ↔ ∃ a ∈ s, ∃ b ∈ t, f a b = c := by
simp [image₂, and_assoc]
1
2.718282
0
0.375
8
379
import Mathlib.Combinatorics.SimpleGraph.Finite import Mathlib.Data.Finset.Sym import Mathlib.Data.Matrix.Basic #align_import combinatorics.simple_graph.inc_matrix from "leanprover-community/mathlib"@"bb168510ef455e9280a152e7f31673cabd3d7496" open Finset Matrix SimpleGraph Sym2 open Matrix namespace SimpleGraph...
Mathlib/Combinatorics/SimpleGraph/IncMatrix.lean
134
144
theorem sum_incMatrix_apply_of_mem_edgeSet [Fintype α] : e ∈ G.edgeSet → ∑ a, G.incMatrix R a e = 2 := by
classical refine e.ind ?_ intro a b h rw [mem_edgeSet] at h rw [← Nat.cast_two, ← card_pair h.ne] simp only [incMatrix_apply', sum_boole, mk'_mem_incidenceSet_iff, h, true_and_iff] congr 2 ext e simp only [mem_filter, mem_univ, true_and_iff, mem_insert, mem_singleton]
9
8,103.083928
2
0.9
10
784
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
133
135
theorem factorization_eq_zero_iff (n p : ℕ) : n.factorization p = 0 ↔ ¬p.Prime ∨ ¬p ∣ n ∨ n = 0 := by
simp_rw [← not_mem_support_iff, support_factorization, mem_primeFactors, not_and_or, not_ne_iff]
1
2.718282
0
0.4
10
388
import Mathlib.Topology.Basic #align_import topology.nhds_set from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" open Set Filter Topology variable {X Y : Type*} [TopologicalSpace X] [TopologicalSpace Y] {f : Filter X} {s t s₁ s₂ t₁ t₂ : Set X} {x : X} theorem nhdsSet_diagonal (X) [T...
Mathlib/Topology/NhdsSet.lean
90
91
theorem IsOpen.mem_nhdsSet (hU : IsOpen s) : s ∈ 𝓝ˢ t ↔ t ⊆ s := by
rw [← subset_interior_iff_mem_nhdsSet, hU.interior_eq]
1
2.718282
0
0.333333
9
339
import Mathlib.Analysis.Calculus.Deriv.Basic import Mathlib.Analysis.Calculus.FDeriv.Add #align_import analysis.calculus.deriv.add from "leanprover-community/mathlib"@"3bce8d800a6f2b8f63fe1e588fd76a9ff4adcebe" universe u v w open scoped Classical open Topology Filter ENNReal open Filter Asymptotics Set variable...
Mathlib/Analysis/Calculus/Deriv/Add.lean
213
214
theorem deriv.neg : deriv (fun y => -f y) x = -deriv f x := by
simp only [deriv, fderiv_neg, ContinuousLinearMap.neg_apply]
1
2.718282
0
0
8
26
import Mathlib.MeasureTheory.Integral.SetToL1 #align_import measure_theory.integral.bochner from "leanprover-community/mathlib"@"48fb5b5280e7c81672afc9524185ae994553ebf4" assert_not_exists Differentiable noncomputable section open scoped Topology NNReal ENNReal MeasureTheory open Set Filter TopologicalSpace EN...
Mathlib/MeasureTheory/Integral/Bochner.lean
274
275
theorem posPart_map_norm (f : α →ₛ ℝ) : (posPart f).map norm = posPart f := by
ext; rw [map_apply, Real.norm_eq_abs, abs_of_nonneg]; exact le_max_right _ _
1
2.718282
0
0.692308
13
637
import Mathlib.Algebra.Group.Submonoid.Operations import Mathlib.GroupTheory.Exponent import Mathlib.GroupTheory.OrderOfElement import Mathlib.GroupTheory.PGroup import Mathlib.GroupTheory.QuotientGroup #align_import group_theory.torsion from "leanprover-community/mathlib"@"1f4705ccdfe1e557fc54a0ce081a05e33d2e6240" ...
Mathlib/GroupTheory/Torsion.lean
63
64
theorem not_isTorsion_iff : ¬IsTorsion G ↔ ∃ g : G, ¬IsOfFinOrder g := by
rw [IsTorsion, not_forall]
1
2.718282
0
0
1
194
import Mathlib.Deprecated.Group #align_import deprecated.ring from "leanprover-community/mathlib"@"5a3e819569b0f12cbec59d740a2613018e7b8eec" universe u v w variable {α : Type u} structure IsSemiringHom {α : Type u} {β : Type v} [Semiring α] [Semiring β] (f : α → β) : Prop where map_zero : f 0 = 0 map...
Mathlib/Deprecated/Ring.lean
124
127
theorem comp (hf : IsRingHom f) {γ} [Ring γ] {g : β → γ} (hg : IsRingHom g) : IsRingHom (g ∘ f) := { map_add := fun x y => by simp only [Function.comp_apply, map_add hf, map_add hg] map_mul := fun x y => by simp only [Function.comp_apply, map_mul hf, map_mul hg] map_one := by
simp only [Function.comp_apply, map_one hf, map_one hg] }
1
2.718282
0
0.5
8
496
import Mathlib.Data.Set.Lattice import Mathlib.Init.Set import Mathlib.Control.Basic import Mathlib.Lean.Expr.ExtraRecognizers #align_import data.set.functor from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" universe u open Function namespace Set variable {α β : Type u} {s : Set α} ...
Mathlib/Data/Set/Functor.lean
149
150
theorem mem_of_mem_image_val (ha : a ∈ (γ : Set α)) : ⟨a, image_val_subset ha⟩ ∈ γ := by
rcases ha with ⟨_, ha, rfl⟩; exact ha
1
2.718282
0
0.285714
7
312
import Mathlib.Order.Filter.Bases import Mathlib.Order.ConditionallyCompleteLattice.Basic #align_import order.filter.lift from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" open Set Classical Filter Function namespace Filter variable {α β γ : Type*} {ι : Sort*} section lift protect...
Mathlib/Order/Filter/Lift.lean
117
118
theorem comap_lift_eq {m : γ → β} : comap m (f.lift g) = f.lift (comap m ∘ g) := by
simp only [Filter.lift, comap_iInf]; rfl
1
2.718282
0
0.666667
6
581
import Mathlib.Algebra.Field.Basic import Mathlib.Algebra.Order.Field.Defs import Mathlib.Data.Tree.Basic import Mathlib.Logic.Basic import Mathlib.Tactic.NormNum.Core import Mathlib.Util.SynthesizeUsing import Mathlib.Util.Qq open Lean Parser Tactic Mathlib Meta NormNum Qq initialize registerTraceClass `CancelDen...
Mathlib/Tactic/CancelDenoms/Core.lean
55
56
theorem add_subst {α} [Ring α] {n e1 e2 t1 t2 : α} (h1 : n * e1 = t1) (h2 : n * e2 = t2) : n * (e1 + e2) = t1 + t2 := by
simp [left_distrib, *]
1
2.718282
0
0.545455
11
512
import Mathlib.Data.Set.Pointwise.Interval import Mathlib.LinearAlgebra.AffineSpace.Basic import Mathlib.LinearAlgebra.BilinearMap import Mathlib.LinearAlgebra.Pi import Mathlib.LinearAlgebra.Prod #align_import linear_algebra.affine_space.affine_map from "leanprover-community/mathlib"@"bd1fc183335ea95a9519a1630bcf901...
Mathlib/LinearAlgebra/AffineSpace/AffineMap.lean
135
136
theorem linearMap_vsub (f : P1 →ᵃ[k] P2) (p1 p2 : P1) : f.linear (p1 -ᵥ p2) = f p1 -ᵥ f p2 := by
conv_rhs => rw [← vsub_vadd p1 p2, map_vadd, vadd_vsub]
1
2.718282
0
1
2
799
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
74
77
theorem Ico_mul_Icc_subset' (a b c d : α) : Ico a b * Icc c d ⊆ Ico (a * c) (b * d) := by
haveI := covariantClass_le_of_lt rintro x ⟨y, ⟨hya, hyb⟩, z, ⟨hzc, hzd⟩, rfl⟩ exact ⟨mul_le_mul' hya hzc, mul_lt_mul_of_lt_of_le hyb hzd⟩
3
20.085537
1
0.37931
29
381
import Batteries.Data.DList import Mathlib.Mathport.Rename import Mathlib.Tactic.Cases #align_import data.dlist from "leanprover-community/lean"@"855e5b74e3a52a40552e8f067169d747d48743fd" universe u #align dlist Batteries.DList namespace Batteries.DList open Function variable {α : Type u} #align dlist.of_list...
Mathlib/Data/DList/Defs.lean
72
72
theorem toList_singleton (x : α) : toList (singleton x) = [x] := by
simp
1
2.718282
0
0.333333
6
333
import Mathlib.Analysis.Normed.Group.Basic import Mathlib.LinearAlgebra.AffineSpace.AffineSubspace import Mathlib.LinearAlgebra.AffineSpace.Midpoint #align_import analysis.normed.group.add_torsor from "leanprover-community/mathlib"@"837f72de63ad6cd96519cde5f1ffd5ed8d280ad0" noncomputable section open NNReal Topo...
Mathlib/Analysis/Normed/Group/AddTorsor.lean
142
143
theorem dist_vsub_cancel_left (x y z : P) : dist (x -ᵥ y) (x -ᵥ z) = dist y z := by
rw [dist_eq_norm, vsub_sub_vsub_cancel_left, dist_comm, dist_eq_norm_vsub V]
1
2.718282
0
0.25
4
297
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
120
122
theorem circleMap_mem_sphere (c : ℂ) {R : ℝ} (hR : 0 ≤ R) (θ : ℝ) : circleMap c R θ ∈ sphere c R := by
simpa only [_root_.abs_of_nonneg hR] using circleMap_mem_sphere' c R θ
1
2.718282
0
0.333333
9
352
import Mathlib.Algebra.BigOperators.WithTop import Mathlib.Algebra.GroupWithZero.Divisibility import Mathlib.Data.ENNReal.Basic #align_import data.real.ennreal from "leanprover-community/mathlib"@"c14c8fcde993801fca8946b0d80131a1a81d1520" open Set NNReal ENNReal namespace ENNReal variable {a b c d : ℝ≥0∞} {r p q...
Mathlib/Data/ENNReal/Operations.lean
206
206
theorem mul_top' : a * ∞ = if a = 0 then 0 else ∞ := by
convert WithTop.mul_top' a
1
2.718282
0
0.666667
12
570
import Mathlib.LinearAlgebra.CliffordAlgebra.Conjugation #align_import linear_algebra.clifford_algebra.star from "leanprover-community/mathlib"@"4d66277cfec381260ba05c68f9ae6ce2a118031d" variable {R : Type*} [CommRing R] variable {M : Type*} [AddCommGroup M] [Module R M] variable {Q : QuadraticForm R M} namespac...
Mathlib/LinearAlgebra/CliffordAlgebra/Star.lean
50
50
theorem star_ι (m : M) : star (ι Q m) = -ι Q m := by
rw [star_def, involute_ι, map_neg, reverse_ι]
1
2.718282
0
0
3
167
import Mathlib.Init.Function #align_import data.option.n_ary from "leanprover-community/mathlib"@"995b47e555f1b6297c7cf16855f1023e355219fb" universe u open Function namespace Option variable {α β γ δ : Type*} {f : α → β → γ} {a : Option α} {b : Option β} {c : Option γ} def map₂ (f : α → β → γ) (a : Option α) ...
Mathlib/Data/Option/NAry.lean
140
143
theorem map₂_right_comm {f : δ → γ → ε} {g : α → β → δ} {f' : α → γ → δ'} {g' : δ' → β → ε} (h_right_comm : ∀ a b c, f (g a b) c = g' (f' a c) b) : map₂ f (map₂ g a b) c = map₂ g' (map₂ f' a c) b := by
cases a <;> cases b <;> cases c <;> simp [h_right_comm]
1
2.718282
0
0
14
191
import Mathlib.Algebra.Field.Defs import Mathlib.Algebra.GroupWithZero.Units.Lemmas import Mathlib.Algebra.Ring.Commute import Mathlib.Algebra.Ring.Invertible import Mathlib.Order.Synonym #align_import algebra.field.basic from "leanprover-community/mathlib"@"05101c3df9d9cfe9430edc205860c79b6d660102" open Function ...
Mathlib/Algebra/Field/Basic.lean
66
67
theorem add_div' (a b c : α) (hc : c ≠ 0) : b + a / c = (b * c + a) / c := by
rw [add_div, mul_div_cancel_right₀ _ hc]
1
2.718282
0
0.3125
16
321
import Mathlib.Analysis.SpecialFunctions.Trigonometric.Deriv import Mathlib.Analysis.SpecialFunctions.Log.Basic #align_import analysis.special_functions.arsinh from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" noncomputable section open Function Filter Set open scoped Topology name...
Mathlib/Analysis/SpecialFunctions/Arsinh.lean
65
65
theorem arsinh_zero : arsinh 0 = 0 := by
simp [arsinh]
1
2.718282
0
0.625
8
547
import Mathlib.Algebra.GroupWithZero.Divisibility import Mathlib.Algebra.Order.Ring.Nat import Mathlib.Tactic.NthRewrite #align_import data.nat.gcd.basic from "leanprover-community/mathlib"@"e8638a0fcaf73e4500469f368ef9494e495099b3" namespace Nat theorem gcd_greatest {a b d : ℕ} (hda : d ∣ a) (hdb : d ∣ b) (hd ...
Mathlib/Data/Nat/GCD/Basic.lean
63
64
theorem gcd_mul_right_add_left (m n k : ℕ) : gcd (k * n + m) n = gcd m n := by
rw [gcd_comm, gcd_mul_right_add_right, gcd_comm]
1
2.718282
0
0.352941
17
375
import Mathlib.Data.Fintype.Basic import Mathlib.ModelTheory.Substructures #align_import model_theory.elementary_maps from "leanprover-community/mathlib"@"d11893b411025250c8e61ff2f12ccbd7ee35ab15" open FirstOrder namespace FirstOrder namespace Language open Structure variable (L : Language) (M : Type*) (N : T...
Mathlib/ModelTheory/ElementaryMaps.lean
107
108
theorem theory_model_iff (f : M ↪ₑ[L] N) (T : L.Theory) : M ⊨ T ↔ N ⊨ T := by
simp only [Theory.model_iff, f.map_sentence]
1
2.718282
0
1
7
946
import Mathlib.GroupTheory.Coprod.Basic import Mathlib.GroupTheory.Complement open Monoid Coprod Multiplicative Subgroup Function def HNNExtension.con (G : Type*) [Group G] (A B : Subgroup G) (φ : A ≃* B) : Con (G ∗ Multiplicative ℤ) := conGen (fun x y => ∃ (a : A), x = inr (ofAdd 1) * inl (a : G) ∧ ...
Mathlib/GroupTheory/HNNExtension.lean
77
79
theorem equiv_symm_eq_conj (b : B) : (of (φ.symm b : G) : HNNExtension G A B φ) = t⁻¹ * of (b : G) * t := by
rw [mul_assoc, of_mul_t]; simp
1
2.718282
0
0.444444
9
413
import Mathlib.Topology.Algebra.InfiniteSum.Basic import Mathlib.Topology.Algebra.UniformGroup noncomputable section open Filter Finset Function open scoped Topology variable {α β γ δ : Type*} section TopologicalGroup variable [CommGroup α] [TopologicalSpace α] [TopologicalGroup α] variable {f g : β → α} {a a₁...
Mathlib/Topology/Algebra/InfiniteSum/Group.lean
63
65
theorem Multipliable.trans_div (hg : Multipliable g) (hfg : Multipliable fun b ↦ f b / g b) : Multipliable f := by
simpa only [div_mul_cancel] using hfg.mul hg
1
2.718282
0
0.833333
6
738
import Mathlib.Order.Interval.Set.Monotone import Mathlib.Probability.Process.HittingTime import Mathlib.Probability.Martingale.Basic import Mathlib.Tactic.AdaptationNote #align_import probability.martingale.upcrossing from "leanprover-community/mathlib"@"2c1d8ca2812b64f88992a5294ea3dba144755cd1" open Topological...
Mathlib/Probability/Martingale/Upcrossing.lean
201
203
theorem upperCrossingTime_le_lowerCrossingTime : upperCrossingTime a b f N n ω ≤ lowerCrossingTime a b f N n ω := by
simp only [lowerCrossingTime, le_hitting upperCrossingTime_le ω]
1
2.718282
0
0.625
8
548
import Mathlib.LinearAlgebra.CliffordAlgebra.Fold import Mathlib.LinearAlgebra.ExteriorAlgebra.Basic #align_import linear_algebra.exterior_algebra.of_alternating from "leanprover-community/mathlib"@"ce11c3c2a285bbe6937e26d9792fda4e51f3fe1a" variable {R M N N' : Type*} variable [CommRing R] [AddCommGroup M] [AddCo...
Mathlib/LinearAlgebra/ExteriorAlgebra/OfAlternating.lean
68
76
theorem liftAlternating_ι (f : ∀ i, M [⋀^Fin i]→ₗ[R] N) (m : M) : liftAlternating (R := R) (M := M) (N := N) f (ι R m) = f 1 ![m] := by
dsimp [liftAlternating] rw [foldl_ι, LinearMap.mk₂_apply, AlternatingMap.curryLeft_apply_apply] congr -- Porting note: In Lean 3, `congr` could use the `[Subsingleton (Fin 0 → M)]` instance to finish -- the proof. Here, the instance can be synthesized but `congr` does not use it so the following -- line is...
7
1,096.633158
2
1.333333
6
1,397
import Mathlib.Data.Fin.Tuple.Basic import Mathlib.Data.List.Join #align_import data.list.of_fn from "leanprover-community/mathlib"@"bf27744463e9620ca4e4ebe951fe83530ae6949b" universe u variable {α : Type u} open Nat namespace List #noalign list.length_of_fn_aux @[simp]
Mathlib/Data/List/OfFn.lean
39
40
theorem length_ofFn_go {n} (f : Fin n → α) (i j h) : length (ofFn.go f i j h) = i := by
induction i generalizing j <;> simp_all [ofFn.go]
1
2.718282
0
0.6
10
535
import Mathlib.Algebra.BigOperators.Intervals import Mathlib.Algebra.BigOperators.Ring import Mathlib.Algebra.Order.BigOperators.Ring.Finset import Mathlib.Algebra.Order.Field.Basic import Mathlib.Algebra.Order.Ring.Abs import Mathlib.Algebra.Ring.Opposite import Mathlib.Tactic.Abel #align_import algebra.geom_sum fro...
Mathlib/Algebra/GeomSum.lean
81
82
theorem op_geom_sum (x : α) (n : ℕ) : op (∑ i ∈ range n, x ^ i) = ∑ i ∈ range n, op x ^ i := by
simp
1
2.718282
0
0.333333
6
358
import Mathlib.Algebra.BigOperators.Group.Finset #align_import data.nat.gcd.big_operators from "leanprover-community/mathlib"@"008205aa645b3f194c1da47025c5f110c8406eab" namespace Nat variable {ι : Type*} theorem coprime_list_prod_left_iff {l : List ℕ} {k : ℕ} : Coprime l.prod k ↔ ∀ n ∈ l, Coprime n k := by ...
Mathlib/Data/Nat/GCD/BigOperators.lean
40
42
theorem coprime_prod_right_iff {x : ℕ} {t : Finset ι} {s : ι → ℕ} : Coprime x (∏ i ∈ t, s i) ↔ ∀ i ∈ t, Coprime x (s i) := by
simpa using coprime_multiset_prod_right_iff (m := t.val.map s)
1
2.718282
0
0
8
159
import Mathlib.MeasureTheory.Integral.IntervalIntegral import Mathlib.Analysis.Calculus.Deriv.ZPow import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Analysis.SpecialFunctions.NonIntegrable import Mathlib.Analysis.Analytic.Basic #align_import measure_theory.integral.circle_integral from "leanprover-communit...
Mathlib/MeasureTheory/Integral/CircleIntegral.lean
158
159
theorem circleMap_eq_center_iff {c : ℂ} {R : ℝ} {θ : ℝ} : circleMap c R θ = c ↔ R = 0 := by
simp [circleMap, exp_ne_zero]
1
2.718282
0
0.333333
9
352
import Mathlib.Data.Complex.Exponential import Mathlib.Analysis.SpecialFunctions.Log.Deriv #align_import data.complex.exponential_bounds from "leanprover-community/mathlib"@"402f8982dddc1864bd703da2d6e2ee304a866973" namespace Real open IsAbsoluteValue Finset CauSeq Complex theorem exp_one_near_10 : |exp 1 - 224...
Mathlib/Data/Complex/ExponentialBounds.lean
44
48
theorem exp_neg_one_gt_d9 : 0.36787944116 < exp (-1) := by
rw [exp_neg, lt_inv _ (exp_pos _)] · refine lt_of_le_of_lt (sub_le_iff_le_add.1 (abs_sub_le_iff.1 exp_one_near_10).1) ?_ norm_num · norm_num
4
54.59815
2
2
5
2,495
import Mathlib.MeasureTheory.Measure.Dirac set_option autoImplicit true open Set open scoped ENNReal Classical variable [MeasurableSpace α] [MeasurableSpace β] {s : Set α} noncomputable section namespace MeasureTheory.Measure def count : Measure α := sum dirac #align measure_theory.measure.count MeasureTheo...
Mathlib/MeasureTheory/Measure/Count.lean
68
69
theorem count_apply_finite [MeasurableSingletonClass α] (s : Set α) (hs : s.Finite) : count s = hs.toFinset.card := by
rw [← count_apply_finset, Finite.coe_toFinset]
1
2.718282
0
1.1
10
1,189
import Mathlib.LinearAlgebra.CliffordAlgebra.Conjugation import Mathlib.LinearAlgebra.CliffordAlgebra.Even import Mathlib.LinearAlgebra.QuadraticForm.Prod import Mathlib.Tactic.LiftLets #align_import linear_algebra.clifford_algebra.even_equiv from "leanprover-community/mathlib"@"2196ab363eb097c008d4497125e0dde23fb36d...
Mathlib/LinearAlgebra/CliffordAlgebra/EvenEquiv.lean
95
96
theorem e0_mul_v_mul_e0 (m : M) : e0 Q * v Q m * e0 Q = v Q m := by
rw [← neg_v_mul_e0, ← neg_mul, mul_assoc, e0_mul_e0, mul_neg_one, neg_neg]
1
2.718282
0
1
4
1,132
import Mathlib.Algebra.CharP.ExpChar import Mathlib.GroupTheory.OrderOfElement #align_import algebra.char_p.two from "leanprover-community/mathlib"@"7f1ba1a333d66eed531ecb4092493cd1b6715450" variable {R ι : Type*} namespace CharTwo section Semiring variable [Semiring R] [CharP R 2] theorem two_eq_zero : (2 : ...
Mathlib/Algebra/CharP/Two.lean
44
44
theorem bit0_apply_eq_zero (x : R) : (bit0 x : R) = 0 := by
simp
1
2.718282
0
0.2
10
273
import Mathlib.Order.Interval.Finset.Nat #align_import data.fin.interval from "leanprover-community/mathlib"@"1d29de43a5ba4662dd33b5cfeecfc2a27a5a8a29" assert_not_exists MonoidWithZero open Finset Fin Function namespace Fin variable (n : ℕ) instance instLocallyFiniteOrder : LocallyFiniteOrder (Fin n) := Orde...
Mathlib/Order/Interval/Finset/Fin.lean
114
115
theorem card_Ioc : (Ioc a b).card = b - a := by
rw [← Nat.card_Ioc, ← map_valEmbedding_Ioc, card_map]
1
2.718282
0
0.125
16
251
import Mathlib.MeasureTheory.Integral.SetIntegral #align_import measure_theory.integral.average from "leanprover-community/mathlib"@"c14c8fcde993801fca8946b0d80131a1a81d1520" open ENNReal MeasureTheory MeasureTheory.Measure Metric Set Filter TopologicalSpace Function open scoped Topology ENNReal Convex variable...
Mathlib/MeasureTheory/Integral/Average.lean
149
150
theorem setLaverage_congr (h : s =ᵐ[μ] t) : ⨍⁻ x in s, f x ∂μ = ⨍⁻ x in t, f x ∂μ := by
simp only [setLaverage_eq, set_lintegral_congr h, measure_congr h]
1
2.718282
0
0.347826
23
374
import Mathlib.Tactic.Ring #align_import algebra.group_power.identities from "leanprover-community/mathlib"@"c4658a649d216f57e99621708b09dcb3dcccbd23" variable {R : Type*} [CommRing R] {a b x₁ x₂ x₃ x₄ x₅ x₆ x₇ x₈ y₁ y₂ y₃ y₄ y₅ y₆ y₇ y₈ n : R}
Mathlib/Algebra/Ring/Identities.lean
24
26
theorem sq_add_sq_mul_sq_add_sq : (x₁ ^ 2 + x₂ ^ 2) * (y₁ ^ 2 + y₂ ^ 2) = (x₁ * y₁ - x₂ * y₂) ^ 2 + (x₁ * y₂ + x₂ * y₁) ^ 2 := by
ring
1
2.718282
0
0
6
55
import Mathlib.MeasureTheory.Integral.Bochner import Mathlib.MeasureTheory.Measure.GiryMonad #align_import probability.kernel.basic from "leanprover-community/mathlib"@"fd5edc43dc4f10b85abfe544b88f82cf13c5f844" open MeasureTheory open scoped MeasureTheory ENNReal NNReal namespace ProbabilityTheory noncomputab...
Mathlib/Probability/Kernel/Basic.lean
113
114
theorem finset_sum_apply (I : Finset ι) (κ : ι → kernel α β) (a : α) : (∑ i ∈ I, κ i) a = ∑ i ∈ I, κ i a := by
rw [coe_finset_sum, Finset.sum_apply]
1
2.718282
0
0
2
138