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import Mathlib.Algebra.Polynomial.Degree.Lemmas open Polynomial namespace Mathlib.Tactic.ComputeDegree section recursion_lemmas variable {R : Type*} section semiring variable [Semiring R] theorem natDegree_C_le (a : R) : natDegree (C a) ≤ 0 := (natDegree_C a).le theorem natDegree_natCast_le (n : ℕ) : natDeg...
Mathlib/Tactic/ComputeDegree.lean
101
103
theorem coeff_add_of_eq {n : ℕ} {a b : R} {f g : R[X]} (h_add_left : f.coeff n = a) (h_add_right : g.coeff n = b) : (f + g).coeff n = a + b := by
subst ‹_› ‹_›; apply coeff_add
1
2.718282
0
1.4
5
1,474
import Mathlib.Algebra.CharP.Invertible import Mathlib.Analysis.NormedSpace.Basic import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.LinearAlgebra.AffineSpace.AffineSubspace import Mathlib.Topology.Instances.RealVectorSpace #align_import analysis.normed_space.add_torsor from "leanprover-community/mathlib"@...
Mathlib/Analysis/NormedSpace/AddTorsor.lean
109
111
theorem dist_lineMap_right (p₁ p₂ : P) (c : 𝕜) : dist (lineMap p₁ p₂ c) p₂ = ‖1 - c‖ * dist p₁ p₂ := by
simpa only [lineMap_apply_one, dist_eq_norm'] using dist_lineMap_lineMap p₁ p₂ c 1
1
2.718282
0
0.5
6
418
import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Preserves.Basic #align_import category_theory.limits.preserves.shapes.pullbacks from "leanprover-community/mathlib"@"f11e306adb9f2a393539d2bb4293bf1b42caa7ac" noncomputable section universe v₁ v₂ u₁ u₂ -- Porting note: ne...
Mathlib/CategoryTheory/Limits/Preserves/Shapes/Pullbacks.lean
239
241
theorem PreservesPushout.inl_iso_inv : G.map pushout.inl ≫ (PreservesPushout.iso G f g).inv = pushout.inl := by
simp [PreservesPushout.iso, Iso.comp_inv_eq]
1
2.718282
0
0.25
8
287
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
303
305
theorem toDual_apply (i j : ι) : b.toDual (b i) (b j) = if i = j then 1 else 0 := by
erw [constr_basis b, constr_basis b] simp only [eq_comm]
2
7.389056
1
1.111111
9
1,196
import Mathlib.GroupTheory.Solvable import Mathlib.FieldTheory.PolynomialGaloisGroup import Mathlib.RingTheory.RootsOfUnity.Basic #align_import field_theory.abel_ruffini from "leanprover-community/mathlib"@"e3f4be1fcb5376c4948d7f095bec45350bfb9d1a" noncomputable section open scoped Classical Polynomial Intermedi...
Mathlib/FieldTheory/AbelRuffini.lean
57
57
theorem gal_X_pow_isSolvable (n : ℕ) : IsSolvable (X ^ n : F[X]).Gal := by
infer_instance
1
2.718282
0
0.909091
11
788
import Mathlib.Topology.Category.TopCat.EpiMono import Mathlib.Topology.Category.TopCat.Limits.Basic import Mathlib.CategoryTheory.Limits.Shapes.Products import Mathlib.CategoryTheory.Limits.ConcreteCategory import Mathlib.Data.Set.Subsingleton import Mathlib.Tactic.CategoryTheory.Elementwise #align_import topology.c...
Mathlib/Topology/Category/TopCat/Limits/Products.lean
127
128
theorem sigmaIsoSigma_hom_ι {ι : Type v} (α : ι → TopCat.{max v u}) (i : ι) : Sigma.ι α i ≫ (sigmaIsoSigma α).hom = sigmaι α i := by
simp [sigmaIsoSigma]
1
2.718282
0
0.5
4
450
import Mathlib.MeasureTheory.PiSystem import Mathlib.Order.OmegaCompletePartialOrder import Mathlib.Topology.Constructions import Mathlib.MeasureTheory.MeasurableSpace.Basic open Set namespace MeasureTheory variable {ι : Type _} {α : ι → Type _} section cylinder def cylinder (s : Finset ι) (S : Set (∀ i : s, α...
Mathlib/MeasureTheory/Constructions/Cylinders.lean
161
162
theorem cylinder_empty (s : Finset ι) : cylinder s (∅ : Set (∀ i : s, α i)) = ∅ := by
rw [cylinder, preimage_empty]
1
2.718282
0
0.6875
16
636
import Mathlib.Data.Vector.Basic import Mathlib.Data.Vector.Snoc set_option autoImplicit true namespace Vector section Fold section Binary variable (xs : Vector α n) (ys : Vector β n) @[simp]
Mathlib/Data/Vector/MapLemmas.lean
60
68
theorem mapAccumr₂_mapAccumr_left (f₁ : γ → β → σ₁ → σ₁ × ζ) (f₂ : α → σ₂ → σ₂ × γ) : (mapAccumr₂ f₁ (mapAccumr f₂ xs s₂).snd ys s₁) = let m := (mapAccumr₂ (fun x y s => let r₂ := f₂ x s.snd let r₁ := f₁ r₂.snd y s.fst ((r₁.fst, r₂.fst), r₁.snd) ) xs ys (s₁, s₂)) (m.f...
induction xs, ys using Vector.revInductionOn₂ generalizing s₁ s₂ <;> simp_all
1
2.718282
0
0.333333
24
337
import Mathlib.CategoryTheory.NatTrans import Mathlib.CategoryTheory.Iso #align_import category_theory.functor.category from "leanprover-community/mathlib"@"63721b2c3eba6c325ecf8ae8cca27155a4f6306f" namespace CategoryTheory -- declare the `v`'s first; see note [CategoryTheory universes]. universe v₁ v₂ v₃ u₁ u₂ u...
Mathlib/CategoryTheory/Functor/Category.lean
68
68
theorem congr_app {α β : F ⟶ G} (h : α = β) (X : C) : α.app X = β.app X := by
rw [h]
1
2.718282
0
0
4
163
import Mathlib.Data.Finsupp.Basic import Mathlib.Data.Finsupp.Order #align_import data.finsupp.multiset from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Finset variable {α β ι : Type*} namespace Finsupp def toMultiset : (α →₀ ℕ) →+ Multiset α where toFun f := Finsupp.sum f...
Mathlib/Data/Finsupp/Multiset.lean
52
53
theorem toMultiset_single (a : α) (n : ℕ) : toMultiset (single a n) = n • {a} := by
rw [toMultiset_apply, sum_single_index]; apply zero_nsmul
1
2.718282
0
1.111111
9
1,194
import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Preserves.Basic #align_import category_theory.limits.preserves.shapes.pullbacks from "leanprover-community/mathlib"@"f11e306adb9f2a393539d2bb4293bf1b42caa7ac" noncomputable section universe v₁ v₂ u₁ u₂ -- Porting note: ne...
Mathlib/CategoryTheory/Limits/Preserves/Shapes/Pullbacks.lean
126
128
theorem PreservesPullback.iso_hom_snd : (PreservesPullback.iso G f g).hom ≫ pullback.snd = G.map pullback.snd := by
simp [PreservesPullback.iso]
1
2.718282
0
0.25
8
287
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
115
118
theorem inv_add_inv_conj_ennreal : (ENNReal.ofReal p)⁻¹ + (ENNReal.ofReal q)⁻¹ = 1 := by
rw [← ENNReal.ofReal_one, ← ENNReal.ofReal_inv_of_pos h.pos, ← ENNReal.ofReal_inv_of_pos h.symm.pos, ← ENNReal.ofReal_add h.inv_nonneg h.symm.inv_nonneg, h.inv_add_inv_conj]
3
20.085537
1
0.75
4
653
import Mathlib.Data.List.Basic namespace List variable {α β : Type*} @[simp] theorem reduceOption_cons_of_some (x : α) (l : List (Option α)) : reduceOption (some x :: l) = x :: l.reduceOption := by simp only [reduceOption, filterMap, id, eq_self_iff_true, and_self_iff] #align list.reduce_option_cons_of_some...
Mathlib/Data/List/ReduceOption.lean
88
90
theorem reduceOption_concat_of_some (l : List (Option α)) (x : α) : (l.concat (some x)).reduceOption = l.reduceOption.concat x := by
simp only [reduceOption_nil, concat_eq_append, reduceOption_append, reduceOption_cons_of_some]
1
2.718282
0
0.615385
13
540
import Mathlib.Data.Fin.VecNotation import Mathlib.Logic.Embedding.Set #align_import logic.equiv.fin from "leanprover-community/mathlib"@"bd835ef554f37ef9b804f0903089211f89cb370b" assert_not_exists MonoidWithZero universe u variable {m n : ℕ} def finZeroEquiv : Fin 0 ≃ Empty := Equiv.equivEmpty _ #align fin_...
Mathlib/Logic/Equiv/Fin.lean
126
128
theorem finSuccEquiv'_above {i : Fin (n + 1)} {m : Fin n} (h : i ≤ Fin.castSucc m) : (finSuccEquiv' i) m.succ = some m := by
rw [← Fin.succAbove_of_le_castSucc _ _ h, finSuccEquiv'_succAbove]
1
2.718282
0
0.25
4
298
import Mathlib.LinearAlgebra.Dimension.Free import Mathlib.Algebra.Module.Torsion #align_import linear_algebra.dimension from "leanprover-community/mathlib"@"47a5f8186becdbc826190ced4312f8199f9db6a5" noncomputable section universe u v v' u₁' w w' variable {R S : Type u} {M : Type v} {M' : Type v'} {M₁ : Type v}...
Mathlib/LinearAlgebra/Dimension/Constructions.lean
251
252
theorem finrank_matrix (m n : Type*) [Fintype m] [Fintype n] : finrank R (Matrix m n R) = card m * card n := by
simp [finrank]
1
2.718282
0
0.75
24
667
import Mathlib.Algebra.Group.Hom.Defs import Mathlib.Algebra.Group.Units #align_import algebra.hom.units from "leanprover-community/mathlib"@"a07d750983b94c530ab69a726862c2ab6802b38c" assert_not_exists MonoidWithZero assert_not_exists DenselyOrdered open Function universe u v w namespace Units variable {α : Ty...
Mathlib/Algebra/Group/Units/Hom.lean
150
152
theorem mul_liftRight_inv {f : M →* N} {g : M → Nˣ} (h : ∀ x, ↑(g x) = f x) (x) : f x * ↑(liftRight f g h x)⁻¹ = 1 := by
rw [Units.mul_inv_eq_iff_eq_mul, one_mul, coe_liftRight]
1
2.718282
0
0
4
43
import Mathlib.Algebra.Polynomial.Derivative import Mathlib.Tactic.LinearCombination #align_import ring_theory.polynomial.chebyshev from "leanprover-community/mathlib"@"d774451114d6045faeb6751c396bea1eb9058946" namespace Polynomial.Chebyshev set_option linter.uppercaseLean3 false -- `T` `U` `X` open Polynomial v...
Mathlib/RingTheory/Polynomial/Chebyshev.lean
153
154
theorem U_add_one (n : ℤ) : U R (n + 1) = 2 * X * U R n - U R (n - 1) := by
linear_combination (norm := ring_nf) U_add_two R (n - 1)
1
2.718282
0
0.166667
12
265
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
113
114
theorem univ_eq_empty_iff : (univ : Finset α) = ∅ ↔ IsEmpty α := by
rw [← not_nonempty_iff, ← univ_nonempty_iff, not_nonempty_iff_eq_empty]
1
2.718282
0
0.111111
9
248
import Mathlib.Algebra.GroupWithZero.Units.Lemmas import Mathlib.Algebra.Order.BigOperators.Group.Finset import Mathlib.Data.Fintype.BigOperators #align_import data.sign from "leanprover-community/mathlib"@"2445c98ae4b87eabebdde552593519b9b6dc350c" -- Porting note (#11081): cannot automatically derive Fintype, adde...
Mathlib/Data/Sign.lean
171
171
theorem nonpos_iff {a : SignType} : a ≤ 0 ↔ a = -1 ∨ a = 0 := by
cases a <;> decide
1
2.718282
0
0
6
104
import Mathlib.Logic.Relation import Mathlib.Data.List.Forall2 import Mathlib.Data.List.Lex import Mathlib.Data.List.Infix #align_import data.list.chain from "leanprover-community/mathlib"@"dd71334db81d0bd444af1ee339a29298bef40734" -- Make sure we haven't imported `Data.Nat.Order.Basic` assert_not_exists OrderedSu...
Mathlib/Data/List/Chain.lean
58
59
theorem chain_singleton {a b : α} : Chain R a [b] ↔ R a b := by
simp only [chain_cons, Chain.nil, and_true_iff]
1
2.718282
0
0.428571
7
405
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
369
370
theorem setAverage_congr_fun (hs : MeasurableSet s) (h : ∀ᵐ x ∂μ, x ∈ s → f x = g x) : ⨍ x in s, f x ∂μ = ⨍ x in s, g x ∂μ := by
simp only [average_eq, setIntegral_congr_ae hs h]
1
2.718282
0
0.347826
23
374
import Mathlib.Data.List.Basic #align_import data.list.join from "leanprover-community/mathlib"@"18a5306c091183ac90884daa9373fa3b178e8607" -- Make sure we don't import algebra assert_not_exists Monoid variable {α β : Type*} namespace List attribute [simp] join -- Porting note (#10618): simp can prove this -- @...
Mathlib/Data/List/Join.lean
28
28
theorem join_singleton (l : List α) : [l].join = l := by
rw [join, join, append_nil]
1
2.718282
0
0.9
10
782
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
79
80
theorem fold_congr {g : α → β} (H : ∀ x ∈ s, f x = g x) : s.fold op b f = s.fold op b g := by
rw [fold, fold, map_congr rfl H]
1
2.718282
0
0.909091
11
789
import Mathlib.Init.Function import Mathlib.Init.Order.Defs #align_import data.bool.basic from "leanprover-community/mathlib"@"c4658a649d216f57e99621708b09dcb3dcccbd23" namespace Bool @[deprecated (since := "2024-06-07")] alias decide_True := decide_true_eq_true #align bool.to_bool_true decide_true_eq_true @[dep...
Mathlib/Data/Bool/Basic.lean
102
102
theorem or_inr {a b : Bool} (H : b) : a || b := by
cases a <;> simp [H]
1
2.718282
0
0
6
186
import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Data.Fintype.Option import Mathlib.Data.Fintype.Pi import Mathlib.Data.Fintype.Sum #align_import combinatorics.hales_jewett from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe" open scoped Classical universe u v namespace ...
Mathlib/Combinatorics/HalesJewett.lean
211
212
theorem diagonal_apply {α ι} [Nonempty ι] (x : α) : Line.diagonal α ι x = fun _ => x := by
simp_rw [Line.diagonal, Option.getD_none]
1
2.718282
0
0.571429
7
522
import Mathlib.Topology.PartialHomeomorph import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Analysis.NormedSpace.Pointwise import Mathlib.Data.Real.Sqrt #align_import analysis.normed_space.basic from "leanprover-community/mathlib"@"bc91ed7093bf098d253401e69df601fc33dde156" open Set Metric Pointwise var...
Mathlib/Analysis/NormedSpace/HomeomorphBall.lean
133
137
theorem ball_subset_univBall_target (c : P) (r : ℝ) : ball c r ⊆ (univBall c r).target := by
by_cases hr : 0 < r · rw [univBall_target c hr] · rw [univBall, dif_neg hr] exact subset_univ _
4
54.59815
2
0.375
8
380
import Mathlib.Logic.Encodable.Lattice import Mathlib.MeasureTheory.MeasurableSpace.Defs #align_import measure_theory.pi_system from "leanprover-community/mathlib"@"98e83c3d541c77cdb7da20d79611a780ff8e7d90" open MeasurableSpace Set open scoped Classical open MeasureTheory def IsPiSystem {α} (C : Set (Set α)) :...
Mathlib/MeasureTheory/PiSystem.lean
164
170
theorem isPiSystem_Ixx_mem {Ixx : α → α → Set α} {p : α → α → Prop} (Hne : ∀ {a b}, (Ixx a b).Nonempty → p a b) (Hi : ∀ {a₁ b₁ a₂ b₂}, Ixx a₁ b₁ ∩ Ixx a₂ b₂ = Ixx (max a₁ a₂) (min b₁ b₂)) (s t : Set α) : IsPiSystem { S | ∃ᵉ (l ∈ s) (u ∈ t), p l u ∧ Ixx l u = S } := by
rintro _ ⟨l₁, hls₁, u₁, hut₁, _, rfl⟩ _ ⟨l₂, hls₂, u₂, hut₂, _, rfl⟩ simp only [Hi] exact fun H => ⟨l₁ ⊔ l₂, sup_ind l₁ l₂ hls₁ hls₂, u₁ ⊓ u₂, inf_ind u₁ u₂ hut₁ hut₂, Hne H, rfl⟩
3
20.085537
1
1.333333
9
1,451
import Mathlib.Analysis.Convex.Hull #align_import analysis.convex.join from "leanprover-community/mathlib"@"951bf1d9e98a2042979ced62c0620bcfb3587cf8" open Set variable {ι : Sort*} {𝕜 E : Type*} section OrderedSemiring variable (𝕜) [OrderedSemiring 𝕜] [AddCommMonoid E] [Module 𝕜 E] {s t s₁ s₂ t₁ t₂ u : Set ...
Mathlib/Analysis/Convex/Join.lean
70
71
theorem convexJoin_singleton_right (s : Set E) (y : E) : convexJoin 𝕜 s {y} = ⋃ x ∈ s, segment 𝕜 x y := by
simp [convexJoin]
1
2.718282
0
0.1
10
244
import Batteries.Classes.Order namespace Batteries.PairingHeapImp inductive Heap (α : Type u) where | nil : Heap α | node (a : α) (child sibling : Heap α) : Heap α deriving Repr def Heap.size : Heap α → Nat | .nil => 0 | .node _ c s => c.size + 1 + s.size def Heap.singleton (a : α) : Heap α := ....
.lake/packages/batteries/Batteries/Data/PairingHeap.lean
154
156
theorem Heap.size_deleteMin_lt {s : Heap α} (eq : s.deleteMin le = some (a, s')) : s'.size < s.size := by
cases s with cases eq | node a c => simp_arith [size_combine, size]
1
2.718282
0
1
13
899
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
151
151
theorem rotation_pi_apply (x : V) : o.rotation π x = -x := by
simp
1
2.718282
0
0.857143
7
744
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
351
351
theorem mk_mem_col_iff {μ : YoungDiagram} {i j : ℕ} : (i, j) ∈ μ.col j ↔ (i, j) ∈ μ := by
simp [col]
1
2.718282
0
0.769231
13
683
import Mathlib.Data.Multiset.Dedup #align_import data.multiset.finset_ops from "leanprover-community/mathlib"@"c227d107bbada5d0d9d20287e3282c0a7f1651a0" namespace Multiset open List variable {α : Type*} [DecidableEq α] {s : Multiset α} def ndinsert (a : α) (s : Multiset α) : Multiset α := Quot.liftOn s (...
Mathlib/Data/Multiset/FinsetOps.lean
74
75
theorem length_ndinsert_of_mem {a : α} {s : Multiset α} (h : a ∈ s) : card (ndinsert a s) = card s := by
simp [h]
1
2.718282
0
0.4
5
392
import Mathlib.Algebra.Group.Basic import Mathlib.Algebra.Order.Monoid.Canonical.Defs import Mathlib.Data.Set.Function import Mathlib.Order.Interval.Set.Basic #align_import data.set.intervals.monoid from "leanprover-community/mathlib"@"aba57d4d3dae35460225919dcd82fe91355162f9" namespace Set variable {M : Type*} ...
Mathlib/Algebra/Order/Interval/Set/Monoid.lean
113
114
theorem image_const_add_Ici : (fun x => a + x) '' Ici b = Ici (a + b) := by
simp only [add_comm a, image_add_const_Ici]
1
2.718282
0
1.090909
11
1,187
import Mathlib.Data.Set.Pointwise.SMul import Mathlib.GroupTheory.GroupAction.Hom open Set Pointwise theorem MulAction.smul_bijective_of_is_unit {M : Type*} [Monoid M] {α : Type*} [MulAction M α] {m : M} (hm : IsUnit m) : Function.Bijective (fun (a : α) ↦ m • a) := by lift m to Mˣ using hm rw [Functio...
Mathlib/GroupTheory/GroupAction/Pointwise.lean
58
60
theorem image_smul_setₛₗ : h '' (c • s) = σ c • h '' s := by
simp only [← image_smul, image_image, map_smulₛₗ h]
1
2.718282
0
1.2
5
1,282
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
120
121
theorem interior_Ioc [NoMaxOrder α] {a b : α} : interior (Ioc a b) = Ioo a b := by
rw [← Ioi_inter_Iic, interior_inter, interior_Ioi, interior_Iic, Ioi_inter_Iio]
1
2.718282
0
0.769231
13
685
import Mathlib.Topology.Category.LightProfinite.Basic import Mathlib.Topology.Category.Profinite.Limits namespace LightProfinite universe u w attribute [local instance] CategoryTheory.ConcreteCategory.instFunLike open CategoryTheory Limits section Pullbacks variable {X Y B : LightProfinite.{u}} (f : X ⟶ B) (g ...
Mathlib/Topology/Category/LightProfinite/Limits.lean
202
204
theorem Sigma.ι_comp_toFiniteCoproduct (a : α) : (Limits.Sigma.ι X a) ≫ (coproductIsoCoproduct X).inv = finiteCoproduct.ι X a := by
simp [coproductIsoCoproduct]
1
2.718282
0
0.666667
3
593
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
140
140
theorem rotation_zero : o.rotation 0 = LinearIsometryEquiv.refl ℝ V := by
ext; simp [rotation]
1
2.718282
0
0.857143
7
744
import Mathlib.Algebra.Group.Equiv.Basic import Mathlib.Data.ENat.Lattice import Mathlib.Data.Part import Mathlib.Tactic.NormNum #align_import data.nat.part_enat from "leanprover-community/mathlib"@"3ff3f2d6a3118b8711063de7111a0d77a53219a8" open Part hiding some def PartENat : Type := Part ℕ #align part_enat ...
Mathlib/Data/Nat/PartENat.lean
184
185
theorem get_natCast' (x : ℕ) (h : (x : PartENat).Dom) : get (x : PartENat) h = x := by
rw [← natCast_inj, natCast_get]
1
2.718282
0
0
4
215
import Mathlib.Data.Finset.Fold import Mathlib.Algebra.GCDMonoid.Multiset #align_import algebra.gcd_monoid.finset from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" #align_import algebra.gcd_monoid.div from "leanprover-community/mathlib"@"b537794f8409bc9598febb79cd510b1df5f4539d" variab...
Mathlib/Algebra/GCDMonoid/Finset.lean
100
103
theorem lcm_congr {f g : β → α} (hs : s₁ = s₂) (hfg : ∀ a ∈ s₂, f a = g a) : s₁.lcm f = s₂.lcm g := by
subst hs exact Finset.fold_congr hfg
2
7.389056
1
1
13
925
import Mathlib.Data.Nat.Bits import Mathlib.Order.Lattice #align_import data.nat.size from "leanprover-community/mathlib"@"18a5306c091183ac90884daa9373fa3b178e8607" namespace Nat section set_option linter.deprecated false theorem shiftLeft_eq_mul_pow (m) : ∀ n, m <<< n = m * 2 ^ n := shiftLeft_eq _ #align nat....
Mathlib/Data/Nat/Size.lean
55
61
theorem size_bit {b n} (h : bit b n ≠ 0) : size (bit b n) = succ (size n) := by
rw [size] conv => lhs rw [binaryRec] simp [h] rw [div2_bit]
6
403.428793
2
0.666667
9
569
import Mathlib.RingTheory.RootsOfUnity.Basic import Mathlib.FieldTheory.Minpoly.IsIntegrallyClosed import Mathlib.Algebra.GCDMonoid.IntegrallyClosed import Mathlib.FieldTheory.Finite.Basic #align_import ring_theory.roots_of_unity.minpoly from "leanprover-community/mathlib"@"7fdeecc0d03cd40f7a165e6cf00a4d2286db599f" ...
Mathlib/RingTheory/RootsOfUnity/Minpoly.lean
53
58
theorem minpoly_dvd_x_pow_sub_one : minpoly ℤ μ ∣ X ^ n - 1 := by
rcases n.eq_zero_or_pos with (rfl | h0) · simp apply minpoly.isIntegrallyClosed_dvd (isIntegral h h0) simp only [((IsPrimitiveRoot.iff_def μ n).mp h).left, aeval_X_pow, eq_intCast, Int.cast_one, aeval_one, AlgHom.map_sub, sub_self]
5
148.413159
2
2
6
2,240
import Mathlib.Topology.Algebra.GroupWithZero import Mathlib.Topology.Order.OrderClosed #align_import topology.algebra.with_zero_topology from "leanprover-community/mathlib"@"3e0c4d76b6ebe9dfafb67d16f7286d2731ed6064" open Topology Filter TopologicalSpace Filter Set Function namespace WithZeroTopology variable {α...
Mathlib/Topology/Algebra/WithZeroTopology.lean
106
106
theorem singleton_mem_nhds_of_ne_zero (h : γ ≠ 0) : ({γ} : Set Γ₀) ∈ 𝓝 (γ : Γ₀) := by
simp [h]
1
2.718282
0
0.454545
11
414
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
68
69
theorem image2_subset_iff_left : image2 f s t ⊆ u ↔ ∀ a ∈ s, (fun b => f a b) '' t ⊆ u := by
simp_rw [image2_subset_iff, image_subset_iff, subset_def, mem_preimage]
1
2.718282
0
0.333333
6
336
import Mathlib.AlgebraicTopology.DoldKan.FunctorN #align_import algebraic_topology.dold_kan.normalized from "leanprover-community/mathlib"@"32a7e535287f9c73f2e4d2aef306a39190f0b504" open CategoryTheory CategoryTheory.Category CategoryTheory.Limits CategoryTheory.Subobject CategoryTheory.Idempotents DoldKan non...
Mathlib/AlgebraicTopology/DoldKan/Normalized.lean
91
92
theorem PInfty_comp_PInftyToNormalizedMooreComplex (X : SimplicialObject A) : PInfty ≫ PInftyToNormalizedMooreComplex X = PInftyToNormalizedMooreComplex X := by
aesop_cat
1
2.718282
0
0.8
5
699
import Mathlib.Algebra.Algebra.Hom import Mathlib.RingTheory.Ideal.Quotient #align_import algebra.ring_quot from "leanprover-community/mathlib"@"e5820f6c8fcf1b75bcd7738ae4da1c5896191f72" universe uR uS uT uA u₄ variable {R : Type uR} [Semiring R] variable {S : Type uS} [CommSemiring S] variable {T : Type uT} vari...
Mathlib/Algebra/RingQuot.lean
79
80
theorem Rel.smul {r : A → A → Prop} (k : S) ⦃a b : A⦄ (h : Rel r a b) : Rel r (k • a) (k • b) := by
simp only [Algebra.smul_def, Rel.mul_right h]
1
2.718282
0
0.5
6
490
import Mathlib.Algebra.Bounds import Mathlib.Algebra.Order.Field.Basic -- Porting note: `LinearOrderedField`, etc import Mathlib.Data.Set.Pointwise.SMul #align_import algebra.order.pointwise from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" open Function Set open Pointwise variable ...
Mathlib/Algebra/Order/Pointwise.lean
167
169
theorem csInf_div (hs₀ : s.Nonempty) (hs₁ : BddBelow s) (ht₀ : t.Nonempty) (ht₁ : BddAbove t) : sInf (s / t) = sInf s / sSup t := by
rw [div_eq_mul_inv, csInf_mul hs₀ hs₁ ht₀.inv ht₁.inv, csInf_inv ht₀ ht₁, div_eq_mul_inv]
1
2.718282
0
1.25
16
1,340
import Mathlib.Algebra.Group.Conj import Mathlib.Algebra.Group.Pi.Lemmas import Mathlib.Algebra.Group.Subsemigroup.Operations import Mathlib.Algebra.Group.Submonoid.Operations import Mathlib.Algebra.Order.Group.Abs import Mathlib.Data.Set.Image import Mathlib.Order.Atoms import Mathlib.Tactic.ApplyFun #align_import g...
Mathlib/Algebra/Group/Subgroup/Basic.lean
144
145
theorem div_mem {x y : M} (hx : x ∈ H) (hy : y ∈ H) : x / y ∈ H := by
rw [div_eq_mul_inv]; exact mul_mem hx (inv_mem hy)
1
2.718282
0
0.5
2
466
import Mathlib.Data.List.Basic #align_import data.list.lattice from "leanprover-community/mathlib"@"dd71334db81d0bd444af1ee339a29298bef40734" open Nat namespace List variable {α : Type*} {l l₁ l₂ : List α} {p : α → Prop} {a : α} variable [DecidableEq α] section Inter @[simp] theorem inter_nil (l : L...
Mathlib/Data/List/Lattice.lean
147
147
theorem mem_of_mem_inter_right (h : a ∈ l₁ ∩ l₂) : a ∈ l₂ := by
simpa using of_mem_filter h
1
2.718282
0
0.3
10
318
import Mathlib.Analysis.SpecialFunctions.ExpDeriv #align_import analysis.ODE.gronwall from "leanprover-community/mathlib"@"f2ce6086713c78a7f880485f7917ea547a215982" variable {E : Type*} [NormedAddCommGroup E] [NormedSpace ℝ E] {F : Type*} [NormedAddCommGroup F] [NormedSpace ℝ F] open Metric Set Asymptotics Fil...
Mathlib/Analysis/ODE/Gronwall.lean
92
93
theorem gronwallBound_ε0_δ0 (K x : ℝ) : gronwallBound 0 K 0 x = 0 := by
simp only [gronwallBound_ε0, zero_mul]
1
2.718282
0
1.428571
7
1,514
import Mathlib.Data.Finset.Prod import Mathlib.Data.Sym.Basic import Mathlib.Data.Sym.Sym2.Init import Mathlib.Data.SetLike.Basic #align_import data.sym.sym2 from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" assert_not_exists MonoidWithZero open Finset Function Sym universe u variab...
Mathlib/Data/Sym/Sym2.lean
91
92
theorem rel_iff {x y z w : α} : Rel α (x, y) (z, w) ↔ x = z ∧ y = w ∨ x = w ∧ y = z := by
simp
1
2.718282
0
0
4
173
import Mathlib.CategoryTheory.Abelian.Basic #align_import category_theory.idempotents.basic from "leanprover-community/mathlib"@"3a061790136d13594ec10c7c90d202335ac5d854" open CategoryTheory open CategoryTheory.Category open CategoryTheory.Limits open CategoryTheory.Preadditive open Opposite namespace Catego...
Mathlib/CategoryTheory/Idempotents/Basic.lean
99
101
theorem idem_of_id_sub_idem [Preadditive C] {X : C} (p : X ⟶ X) (hp : p ≫ p = p) : (𝟙 _ - p) ≫ (𝟙 _ - p) = 𝟙 _ - p := by
simp only [comp_sub, sub_comp, id_comp, comp_id, hp, sub_self, sub_zero]
1
2.718282
0
1.6
5
1,735
import Lean.Elab.Tactic.Location import Mathlib.Logic.Basic import Mathlib.Init.Order.Defs import Mathlib.Tactic.Conv import Mathlib.Init.Set import Lean.Elab.Tactic.Location set_option autoImplicit true namespace Mathlib.Tactic.PushNeg open Lean Meta Elab.Tactic Parser.Tactic variable (p q : Prop) (s : α → Prop)...
Mathlib/Tactic/PushNeg.lean
44
45
theorem ne_empty_eq_nonempty (s : Set γ) : (s ≠ ∅) = s.Nonempty := by
rw [ne_eq, ← not_nonempty_eq s, not_not]
1
2.718282
0
0.333333
3
366
import Mathlib.Data.Finsupp.Lex import Mathlib.Data.Finsupp.Multiset import Mathlib.Order.GameAdd #align_import logic.hydra from "leanprover-community/mathlib"@"48085f140e684306f9e7da907cd5932056d1aded" namespace Relation open Multiset Prod variable {α : Type*} def CutExpand (r : α → α → Prop) (s' s : Multise...
Mathlib/Logic/Hydra.lean
101
104
theorem not_cutExpand_zero [IsIrrefl α r] (s) : ¬CutExpand r s 0 := by
classical rw [cutExpand_iff] rintro ⟨_, _, _, ⟨⟩, _⟩
3
20.085537
1
1.833333
6
1,915
import Mathlib.Algebra.Group.Support import Mathlib.Algebra.Order.Monoid.WithTop import Mathlib.Data.Nat.Cast.Field #align_import algebra.char_zero.lemmas from "leanprover-community/mathlib"@"acee671f47b8e7972a1eb6f4eed74b4b3abce829" open Function Set section AddMonoidWithOne variable {α M : Type*} [AddMonoidWith...
Mathlib/Algebra/CharZero/Lemmas.lean
188
188
theorem half_sub (a : R) : a / 2 - a = -(a / 2) := by
rw [← neg_sub, sub_half]
1
2.718282
0
0.5
12
426
import Mathlib.Data.Nat.Factorial.Basic import Mathlib.Algebra.Order.BigOperators.Ring.Finset #align_import data.nat.factorial.big_operators from "leanprover-community/mathlib"@"1126441d6bccf98c81214a0780c73d499f6721fe" open Finset Nat namespace Nat lemma monotone_factorial : Monotone factorial := fun _ _ => fa...
Mathlib/Data/Nat/Factorial/BigOperators.lean
31
31
theorem prod_factorial_pos : 0 < ∏ i ∈ s, (f i)! := by
positivity
1
2.718282
0
1
2
884
import Mathlib.Algebra.BigOperators.Group.Finset import Mathlib.Data.Finset.NatAntidiagonal import Mathlib.Data.Nat.GCD.Basic import Mathlib.Init.Data.Nat.Lemmas import Mathlib.Logic.Function.Iterate import Mathlib.Tactic.Ring import Mathlib.Tactic.Zify #align_import data.nat.fib from "leanprover-community/mathlib"@"...
Mathlib/Data/Nat/Fib/Basic.lean
87
88
theorem fib_add_two {n : ℕ} : fib (n + 2) = fib n + fib (n + 1) := by
simp [fib, Function.iterate_succ_apply']
1
2.718282
0
1.181818
11
1,246
import Mathlib.Analysis.Convex.Between import Mathlib.Analysis.Normed.Group.AddTorsor import Mathlib.Geometry.Euclidean.Angle.Unoriented.Basic import Mathlib.Analysis.NormedSpace.AffineIsometry #align_import geometry.euclidean.angle.unoriented.affine from "leanprover-community/mathlib"@"46b633fd842bef9469441c0209906f...
Mathlib/Geometry/Euclidean/Angle/Unoriented/Affine.lean
113
114
theorem angle_sub_const (v₁ v₂ v₃ : V) (v : V) : ∠ (v₁ - v) (v₂ - v) (v₃ - v) = ∠ v₁ v₂ v₃ := by
simpa only [vsub_eq_sub] using angle_vsub_const v₁ v₂ v₃ v
1
2.718282
0
0.4
5
403
import Mathlib.Topology.Connected.Basic import Mathlib.Topology.Separation open scoped Topology variable {X Y A} [TopologicalSpace X] [TopologicalSpace A] theorem embedding_toPullbackDiag (f : X → Y) : Embedding (toPullbackDiag f) := Embedding.mk' _ (injective_toPullbackDiag f) fun x ↦ by rw [toPullbackDiag,...
Mathlib/Topology/SeparatedMap.lean
101
106
theorem IsSeparatedMap.pullback {f : X → Y} (sep : IsSeparatedMap f) (g : A → Y) : IsSeparatedMap (@snd X Y A f g) := by
rw [isSeparatedMap_iff_isClosed_diagonal] at sep ⊢ rw [← preimage_map_fst_pullbackDiagonal] refine sep.preimage (Continuous.mapPullback ?_ ?_) <;> apply_rules [continuous_fst, continuous_subtype_val, Continuous.comp]
4
54.59815
2
1.5
4
1,617
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
48
48
theorem xgcd_zero_left {s t r' s' t'} : xgcdAux 0 s t r' s' t' = (r', s', t') := by
simp [xgcdAux]
1
2.718282
0
1.090909
11
1,188
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
32
32
theorem lift_top (g : Set α → Filter β) : (⊤ : Filter α).lift g = g univ := by
simp [Filter.lift]
1
2.718282
0
0.666667
6
581
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
200
200
theorem not_lt_top {x : ℝ≥0∞} : ¬x < ∞ ↔ x = ∞ := by
rw [lt_top_iff_ne_top, Classical.not_not]
1
2.718282
0
0.666667
12
570
import Mathlib.Algebra.Category.GroupCat.EquivalenceGroupAddGroup import Mathlib.GroupTheory.QuotientGroup #align_import algebra.category.Group.epi_mono from "leanprover-community/mathlib"@"70fd9563a21e7b963887c9360bd29b2393e6225a" noncomputable section open scoped Pointwise universe u v namespace MonoidHom o...
Mathlib/Algebra/Category/GroupCat/EpiMono.lean
35
36
theorem ker_eq_bot_of_cancel {f : A →* B} (h : ∀ u v : f.ker →* A, f.comp u = f.comp v → u = v) : f.ker = ⊥ := by
simpa using _root_.congr_arg range (h f.ker.subtype 1 (by aesop_cat))
1
2.718282
0
1
2
1,113
import Mathlib.Control.Functor.Multivariate import Mathlib.Data.PFunctor.Univariate.Basic #align_import data.pfunctor.multivariate.basic from "leanprover-community/mathlib"@"e3d9ab8faa9dea8f78155c6c27d62a621f4c152d" universe u v open MvFunctor @[pp_with_univ] structure MvPFunctor (n : ℕ) where A : Type u ...
Mathlib/Data/PFunctor/Multivariate/Basic.lean
153
154
theorem comp.mk_get (x : comp P Q α) : comp.mk (comp.get x) = x := by
rfl
1
2.718282
0
0.857143
7
749
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
46
48
theorem length (n m : ℕ) : length (Ico n m) = m - n := by
dsimp [Ico] simp [length_range', autoParam]
2
7.389056
1
0.9375
16
794
import Mathlib.Order.Filter.Lift import Mathlib.Topology.Separation import Mathlib.Order.Interval.Set.Monotone #align_import topology.filter from "leanprover-community/mathlib"@"4c19a16e4b705bf135cf9a80ac18fcc99c438514" open Set Filter TopologicalSpace open Filter Topology variable {ι : Sort*} {α β X Y : Type*}...
Mathlib/Topology/Filter.lean
125
125
theorem nhds_top : 𝓝 (⊤ : Filter α) = ⊤ := by
simp [nhds_eq]
1
2.718282
0
0.5
6
489
import Mathlib.Logic.Nonempty import Mathlib.Init.Set import Mathlib.Logic.Basic #align_import logic.function.basic from "leanprover-community/mathlib"@"29cb56a7b35f72758b05a30490e1f10bd62c35c1" open Function universe u v w namespace Function section variable {α β γ : Sort*} {f : α → β} @[reducible, simp] de...
Mathlib/Logic/Function/Basic.lean
89
91
theorem Injective.beq_eq {α β : Type*} [BEq α] [LawfulBEq α] [BEq β] [LawfulBEq β] {f : α → β} (I : Injective f) {a b : α} : (f a == f b) = (a == b) := by
by_cases h : a == b <;> simp [h] <;> simpa [I.eq_iff] using h
1
2.718282
0
0
2
166
import Mathlib.Algebra.Field.Defs import Mathlib.Algebra.Ring.Int #align_import data.int.cast.field from "leanprover-community/mathlib"@"acee671f47b8e7972a1eb6f4eed74b4b3abce829" namespace Int open Nat variable {α : Type*} @[norm_cast]
Mathlib/Data/Int/Cast/Field.lean
34
34
theorem cast_neg_natCast {R} [DivisionRing R] (n : ℕ) : ((-n : ℤ) : R) = -n := by
simp
1
2.718282
0
0.5
2
480
import Mathlib.Data.Int.Interval import Mathlib.Data.Int.SuccPred import Mathlib.Data.Int.ConditionallyCompleteOrder import Mathlib.Topology.Instances.Discrete import Mathlib.Topology.MetricSpace.Bounded import Mathlib.Order.Filter.Archimedean #align_import topology.instances.int from "leanprover-community/mathlib"@"...
Mathlib/Topology/Instances/Int.lean
62
63
theorem ball_eq_Ioo (x : ℤ) (r : ℝ) : ball x r = Ioo ⌊↑x - r⌋ ⌈↑x + r⌉ := by
rw [← preimage_ball, Real.ball_eq_Ioo, preimage_Ioo]
1
2.718282
0
0.333333
6
327
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
89
90
theorem hasCompactSupport_normed : HasCompactSupport (f.normed μ) := by
simp only [HasCompactSupport, f.tsupport_normed_eq (μ := μ), isCompact_closedBall]
1
2.718282
0
0.818182
11
722
import Mathlib.Algebra.Module.BigOperators import Mathlib.Data.Fintype.BigOperators import Mathlib.LinearAlgebra.AffineSpace.AffineMap import Mathlib.LinearAlgebra.AffineSpace.AffineSubspace import Mathlib.LinearAlgebra.Finsupp import Mathlib.Tactic.FinCases #align_import linear_algebra.affine_space.combination from ...
Mathlib/LinearAlgebra/AffineSpace/Combination.lean
796
797
theorem sum_centroidWeights_eq_one_of_cast_card_ne_zero (h : (card s : k) ≠ 0) : ∑ i ∈ s, s.centroidWeights k i = 1 := by
simp [h]
1
2.718282
0
1.083333
12
1,183
import Mathlib.Analysis.SpecialFunctions.Gamma.Basic import Mathlib.Analysis.SpecialFunctions.PolarCoord import Mathlib.Analysis.Convex.Complex #align_import analysis.special_functions.gaussian from "leanprover-community/mathlib"@"7982767093ae38cba236487f9c9dd9cd99f63c16" noncomputable section open Real Set Measu...
Mathlib/Analysis/SpecialFunctions/Gaussian/GaussianIntegral.lean
57
60
theorem rpow_mul_exp_neg_mul_sq_isLittleO_exp_neg {b : ℝ} (hb : 0 < b) (s : ℝ) : (fun x : ℝ => x ^ s * exp (-b * x ^ 2)) =o[atTop] fun x : ℝ => exp (-(1 / 2) * x) := by
simp_rw [← rpow_two] exact rpow_mul_exp_neg_mul_rpow_isLittleO_exp_neg s one_lt_two hb
2
7.389056
1
1.5
6
1,554
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
145
146
theorem laverage_congr {f g : α → ℝ≥0∞} (h : f =ᵐ[μ] g) : ⨍⁻ x, f x ∂μ = ⨍⁻ x, g x ∂μ := by
simp only [laverage_eq, lintegral_congr_ae h]
1
2.718282
0
0.347826
23
374
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
112
112
theorem intrinsicInterior_empty : intrinsicInterior 𝕜 (∅ : Set P) = ∅ := by
simp [intrinsicInterior]
1
2.718282
0
0.571429
7
518
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
353
355
theorem mul_inv_le_inv_mul_iff : a * b⁻¹ ≤ d⁻¹ * c ↔ d * a ≤ c * b := by
rw [← mul_le_mul_iff_left d, ← mul_le_mul_iff_right b, mul_inv_cancel_left, mul_assoc, inv_mul_cancel_right]
2
7.389056
1
0.4
25
400
import Mathlib.Data.Real.Irrational import Mathlib.Data.Nat.Fib.Basic import Mathlib.Data.Fin.VecNotation import Mathlib.Algebra.LinearRecurrence import Mathlib.Tactic.NormNum.NatFib import Mathlib.Tactic.NormNum.Prime #align_import data.real.golden_ratio from "leanprover-community/mathlib"@"2196ab363eb097c008d449712...
Mathlib/Data/Real/GoldenRatio.lean
187
192
theorem fib_isSol_fibRec : fibRec.IsSolution (fun x => x.fib : ℕ → α) := by
rw [fibRec] intro n simp only rw [Nat.fib_add_two, add_comm] simp [Finset.sum_fin_eq_sum_range, Finset.sum_range_succ']
5
148.413159
2
0.894737
19
776
import Mathlib.Analysis.NormedSpace.BoundedLinearMaps import Mathlib.Topology.FiberBundle.Basic #align_import topology.vector_bundle.basic from "leanprover-community/mathlib"@"e473c3198bb41f68560cab68a0529c854b618833" noncomputable section open scoped Classical open Bundle Set open scoped Topology variable (R : ...
Mathlib/Topology/VectorBundle/Basic.lean
151
154
theorem symmₗ_linearMapAt (e : Pretrivialization F (π F E)) [e.IsLinear R] {b : B} (hb : b ∈ e.baseSet) (y : E b) : e.symmₗ R b (e.linearMapAt R b y) = y := by
rw [e.linearMapAt_def_of_mem hb] exact (e.linearEquivAt R b hb).left_inv y
2
7.389056
1
0.6
5
539
import Mathlib.RingTheory.Ideal.Operations import Mathlib.Algebra.Module.Torsion import Mathlib.Algebra.Ring.Idempotents import Mathlib.LinearAlgebra.FiniteDimensional import Mathlib.RingTheory.Ideal.LocalRing import Mathlib.RingTheory.Filtration import Mathlib.RingTheory.Nakayama #align_import ring_theory.ideal.cota...
Mathlib/RingTheory/Ideal/Cotangent.lean
69
71
theorem mem_toCotangent_ker {x : I} : x ∈ LinearMap.ker I.toCotangent ↔ (x : R) ∈ I ^ 2 := by
rw [← I.map_toCotangent_ker] simp
2
7.389056
1
1.333333
6
1,400
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
79
80
theorem map_valEmbedding_Icc : (Icc a b).map Fin.valEmbedding = Icc ↑a ↑b := by
simp [Icc_eq_finset_subtype, Finset.fin, Finset.map_map, Icc_filter_lt_of_lt_right]
1
2.718282
0
0.125
16
251
import Mathlib.Algebra.Order.Group.Basic import Mathlib.Algebra.Order.Ring.Basic import Mathlib.Algebra.Star.Unitary import Mathlib.Data.Nat.ModEq import Mathlib.NumberTheory.Zsqrtd.Basic import Mathlib.Tactic.Monotonicity #align_import number_theory.pell_matiyasevic from "leanprover-community/mathlib"@"795b501869b9f...
Mathlib/NumberTheory/PellMatiyasevic.lean
155
155
theorem yn_one : yn a1 1 = 1 := by
simp
1
2.718282
0
0
2
100
import Mathlib.Algebra.Polynomial.Splits #align_import algebra.cubic_discriminant from "leanprover-community/mathlib"@"930133160e24036d5242039fe4972407cd4f1222" noncomputable section @[ext] structure Cubic (R : Type*) where (a b c d : R) #align cubic Cubic namespace Cubic open Cubic Polynomial open Polynom...
Mathlib/Algebra/CubicDiscriminant.lean
121
121
theorem a_of_eq (h : P.toPoly = Q.toPoly) : P.a = Q.a := by
rw [← coeff_eq_a, h, coeff_eq_a]
1
2.718282
0
0.1
10
246
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
73
75
theorem equiv_eq_conj (a : A) : (of (φ a : G) : HNNExtension G A B φ) = t * of (a : G) * t⁻¹ := by
rw [t_mul_of]; simp
1
2.718282
0
0.444444
9
413
import Mathlib.Algebra.Order.Archimedean import Mathlib.Order.Filter.AtTopBot import Mathlib.Tactic.GCongr #align_import order.filter.archimedean from "leanprover-community/mathlib"@"8631e2d5ea77f6c13054d9151d82b83069680cb1" variable {α R : Type*} open Filter Set Function @[simp] theorem Nat.comap_cast_atTop [S...
Mathlib/Order/Filter/Archimedean.lean
69
71
theorem tendsto_intCast_atTop_iff [StrictOrderedRing R] [Archimedean R] {f : α → ℤ} {l : Filter α} : Tendsto (fun n => (f n : R)) l atTop ↔ Tendsto f l atTop := by
rw [← @Int.comap_cast_atTop R, tendsto_comap_iff]; rfl
1
2.718282
0
0
4
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
248
248
theorem bihimp_self : a ⇔ a = ⊤ := by
rw [bihimp, inf_idem, himp_self]
1
2.718282
0
0.181818
22
266
import Mathlib.Analysis.Normed.Group.Hom import Mathlib.CategoryTheory.Limits.Shapes.ZeroMorphisms import Mathlib.CategoryTheory.ConcreteCategory.BundledHom import Mathlib.CategoryTheory.Elementwise #align_import analysis.normed.group.SemiNormedGroup from "leanprover-community/mathlib"@"17ef379e997badd73e5eabb4d38f11...
Mathlib/Analysis/Normed/Group/SemiNormedGroupCat.lean
121
129
theorem iso_isometry_of_normNoninc {V W : SemiNormedGroupCat} (i : V ≅ W) (h1 : i.hom.NormNoninc) (h2 : i.inv.NormNoninc) : Isometry i.hom := by
apply AddMonoidHomClass.isometry_of_norm intro v apply le_antisymm (h1 v) calc -- This used to be `rw`, but we need `erw` after leanprover/lean4#2644 ‖v‖ = ‖i.inv (i.hom v)‖ := by erw [Iso.hom_inv_id_apply] _ ≤ ‖i.hom v‖ := h2 _
7
1,096.633158
2
1.5
2
1,640
import Mathlib.SetTheory.Cardinal.Basic import Mathlib.Tactic.Ring #align_import data.nat.count from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" open Finset namespace Nat variable (p : ℕ → Prop) section Count variable [DecidablePred p] def count (n : ℕ) : ℕ := (List.range n)....
Mathlib/Data/Nat/Count.lean
106
107
theorem count_succ_eq_succ_count_iff {n : ℕ} : count p (n + 1) = count p n + 1 ↔ p n := by
by_cases h : p n <;> simp [h, count_succ]
1
2.718282
0
0.642857
14
554
import Mathlib.Algebra.Homology.ShortComplex.Basic import Mathlib.CategoryTheory.Limits.Constructions.FiniteProductsOfBinaryProducts import Mathlib.CategoryTheory.Triangulated.TriangleShift #align_import category_theory.triangulated.pretriangulated from "leanprover-community/mathlib"@"6876fa15e3158ff3e4a4e2af1fb6e194...
Mathlib/CategoryTheory/Triangulated/Pretriangulated.lean
156
159
theorem comp_distTriang_mor_zero₃₁ (T : Triangle C) (H : T ∈ distTriang C) : T.mor₃ ≫ T.mor₁⟦1⟧' = 0 := by
have H₂ := rot_of_distTriang T.rotate (rot_of_distTriang T H) simpa using comp_distTriang_mor_zero₁₂ T.rotate.rotate H₂
2
7.389056
1
1.5
2
1,615
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
70
72
theorem frequently_cocardinal {p : α → Prop} : (∃ᶠ x in cocardinal α hreg, p x) ↔ c ≤ # { x | p x } := by
simp only [Filter.Frequently, eventually_cocardinal, not_not,coe_setOf, not_lt]
1
2.718282
0
0.75
4
659
import Mathlib.Order.Antichain import Mathlib.Order.UpperLower.Basic import Mathlib.Order.Interval.Set.Basic import Mathlib.Order.RelIso.Set #align_import order.minimal from "leanprover-community/mathlib"@"59694bd07f0a39c5beccba34bd9f413a160782bf" open Function Set variable {α : Type*} (r r₁ r₂ : α → α → Prop) (s...
Mathlib/Order/Minimal.lean
113
115
theorem mem_minimals_iff_forall_lt_not_mem' (rlt : α → α → Prop) [IsNonstrictStrictOrder α r rlt] : x ∈ minimals r s ↔ x ∈ s ∧ ∀ ⦃y⦄, rlt y x → y ∉ s := by
simp [minimals, right_iff_left_not_left_of r rlt, not_imp_not, imp.swap (a := _ ∈ _)]
1
2.718282
0
0.75
4
676
import Mathlib.Data.Real.Basic #align_import data.real.sign from "leanprover-community/mathlib"@"9003f28797c0664a49e4179487267c494477d853" namespace Real noncomputable def sign (r : ℝ) : ℝ := if r < 0 then -1 else if 0 < r then 1 else 0 #align real.sign Real.sign theorem sign_of_neg {r : ℝ} (hr : r < 0) : si...
Mathlib/Data/Real/Sign.lean
43
43
theorem sign_zero : sign 0 = 0 := by
rw [sign, if_neg (lt_irrefl _), if_neg (lt_irrefl _)]
1
2.718282
0
1.363636
11
1,467
import Mathlib.Data.Set.Prod import Mathlib.Logic.Function.Conjugate #align_import data.set.function from "leanprover-community/mathlib"@"996b0ff959da753a555053a480f36e5f264d4207" variable {α β γ : Type*} {ι : Sort*} {π : α → Type*} open Equiv Equiv.Perm Function namespace Set section restrict def restrict (...
Mathlib/Data/Set/Function.lean
74
76
theorem image_restrict (f : α → β) (s t : Set α) : s.restrict f '' (Subtype.val ⁻¹' t) = f '' (t ∩ s) := by
rw [restrict_eq, image_comp, image_preimage_eq_inter_range, Subtype.range_coe]
1
2.718282
0
0.8
10
704
import Mathlib.Algebra.Divisibility.Basic import Mathlib.Algebra.Group.Prod import Mathlib.Tactic.Common variable {ι G₁ G₂ : Type*} {G : ι → Type*} [Semigroup G₁] [Semigroup G₂] [∀ i, Semigroup (G i)] theorem prod_dvd_iff {x y : G₁ × G₂} : x ∣ y ↔ x.1 ∣ y.1 ∧ x.2 ∣ y.2 := by cases x; cases y simp only [dvd...
Mathlib/Algebra/Divisibility/Prod.lean
35
36
theorem pi_dvd_iff {x y : ∀ i, G i} : x ∣ y ↔ ∀ i, x i ∣ y i := by
simp_rw [dvd_def, Function.funext_iff, Classical.skolem]; rfl
1
2.718282
0
0.5
2
447
import Mathlib.Data.Set.Lattice #align_import data.set.intervals.disjoint from "leanprover-community/mathlib"@"207cfac9fcd06138865b5d04f7091e46d9320432" universe u v w variable {ι : Sort u} {α : Type v} {β : Type w} open Set open OrderDual (toDual) namespace Set section Preorder variable [Preorder α] {a b c...
Mathlib/Order/Interval/Set/Disjoint.lean
102
103
theorem iUnion_Ico_left (b : α) : ⋃ a, Ico a b = Iio b := by
simp only [← Ici_inter_Iio, ← iUnion_inter, iUnion_Ici, univ_inter]
1
2.718282
0
0.333333
18
364
import Mathlib.Data.Matrix.Basic import Mathlib.Data.PEquiv #align_import data.matrix.pequiv from "leanprover-community/mathlib"@"3e068ece210655b7b9a9477c3aff38a492400aa1" namespace PEquiv open Matrix universe u v variable {k l m n : Type*} variable {α : Type v} open Matrix def toMatrix [DecidableEq n] [Zer...
Mathlib/Data/Matrix/PEquiv.lean
152
155
theorem single_mul_single [Fintype n] [DecidableEq k] [DecidableEq m] [DecidableEq n] [Semiring α] (a : m) (b : n) (c : k) : ((single a b).toMatrix : Matrix _ _ α) * (single b c).toMatrix = (single a c).toMatrix := by
rw [← toMatrix_trans, single_trans_single]
1
2.718282
0
1.2
10
1,267
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
73
73
theorem symm : PythagoreanTriple y x z := by
rwa [pythagoreanTriple_comm]
1
2.718282
0
1.2
10
1,251
import Mathlib.Algebra.CharP.Invertible import Mathlib.Algebra.MvPolynomial.Variables import Mathlib.Algebra.MvPolynomial.CommRing import Mathlib.Algebra.MvPolynomial.Expand import Mathlib.Data.Fintype.BigOperators import Mathlib.Data.ZMod.Basic #align_import ring_theory.witt_vector.witt_polynomial from "leanprover-c...
Mathlib/RingTheory/WittVector/WittPolynomial.lean
154
163
theorem wittPolynomial_zmod_self (n : ℕ) : W_ (ZMod (p ^ (n + 1))) (n + 1) = expand p (W_ (ZMod (p ^ (n + 1))) n) := by
simp only [wittPolynomial_eq_sum_C_mul_X_pow] rw [sum_range_succ, ← Nat.cast_pow, CharP.cast_eq_zero (ZMod (p ^ (n + 1))) (p ^ (n + 1)), C_0, zero_mul, add_zero, AlgHom.map_sum, sum_congr rfl] intro k hk rw [AlgHom.map_mul, AlgHom.map_pow, expand_X, algHom_C, ← pow_mul, ← pow_succ'] congr rw [mem_range...
8
2,980.957987
2
1.181818
11
1,247
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
178
178
theorem not_mem_compl : a ∉ sᶜ ↔ a ∈ s := by
rw [mem_compl, not_not]
1
2.718282
0
0.111111
9
248
import Mathlib.RepresentationTheory.FdRep import Mathlib.LinearAlgebra.Trace import Mathlib.RepresentationTheory.Invariants #align_import representation_theory.character from "leanprover-community/mathlib"@"55b3f8206b8596db8bb1804d8a92814a0b6670c9" noncomputable section universe u open CategoryTheory LinearMap ...
Mathlib/RepresentationTheory/Character.lean
64
65
theorem char_tensor (V W : FdRep k G) : (V ⊗ W).character = V.character * W.character := by
ext g; convert trace_tensorProduct' (V.ρ g) (W.ρ g)
1
2.718282
0
0
5
148
import Mathlib.Data.List.Basic #align_import data.list.join from "leanprover-community/mathlib"@"18a5306c091183ac90884daa9373fa3b178e8607" -- Make sure we don't import algebra assert_not_exists Monoid variable {α β : Type*} namespace List attribute [simp] join -- Porting note (#10618): simp can prove this -- @...
Mathlib/Data/List/Join.lean
44
44
theorem join_concat (L : List (List α)) (l : List α) : join (L.concat l) = join L ++ l := by
simp
1
2.718282
0
0.9
10
782
import Mathlib.Algebra.BigOperators.GroupWithZero.Finset import Mathlib.Data.Finite.Card import Mathlib.GroupTheory.Finiteness import Mathlib.GroupTheory.GroupAction.Quotient #align_import group_theory.index from "leanprover-community/mathlib"@"dc6c365e751e34d100e80fe6e314c3c3e0fd2988" namespace Subgroup open Ca...
Mathlib/GroupTheory/Index.lean
134
135
theorem inf_relindex_right : (H ⊓ K).relindex K = H.relindex K := by
rw [relindex, relindex, inf_subgroupOf_right]
1
2.718282
0
0.666667
6
611
import Mathlib.RingTheory.WittVector.Basic import Mathlib.RingTheory.WittVector.IsPoly #align_import ring_theory.witt_vector.verschiebung from "leanprover-community/mathlib"@"32b08ef840dd25ca2e47e035c5da03ce16d2dc3c" namespace WittVector open MvPolynomial variable {p : ℕ} {R S : Type*} [hp : Fact p.Prime] [Comm...
Mathlib/RingTheory/WittVector/Verschiebung.lean
47
48
theorem verschiebungFun_coeff_zero (x : 𝕎 R) : (verschiebungFun x).coeff 0 = 0 := by
rw [verschiebungFun_coeff, if_pos rfl]
1
2.718282
0
1
6
1,101