name
stringlengths
2
347
module
stringlengths
6
90
type
stringlengths
1
5.42M
docString
stringlengths
0
11.5k
allowCompletion
bool
2 classes
CochainComplex.mappingConeHomOfDegreewiseSplitIso
Mathlib.Algebra.Homology.HomotopyCategory.DegreewiseSplit
{C : Type u_1} → [inst : CategoryTheory.Category.{v, u_1} C] → [inst_1 : CategoryTheory.Preadditive C] → (S : CategoryTheory.ShortComplex (CochainComplex C ℤ)) → (σ : (n : ℤ) → (S.map (HomologicalComplex.eval C (ComplexShape.up ℤ) n)).Splitting) → [inst_2 : CategoryTheory.Limits.HasBinaryB...
The canonical isomorphism `mappingCone (homOfDegreewiseSplit S σ) ≅ S.X₂⟦(1 : ℤ)⟧`.
true
AddSubmonoid.instSetLike.eq_1
Mathlib.Algebra.Group.Submonoid.Defs
∀ {M : Type u_1} [inst : AddZeroClass M], AddSubmonoid.instSetLike = { coe := fun s => s.carrier, coe_injective := ⋯ }
null
true
Lean.Meta.InductionSubgoal.fields
Lean.Meta.Tactic.Induction
Lean.Meta.InductionSubgoal → Array Lean.Expr
null
true
Prefunctor.symmetrify_map
Mathlib.Combinatorics.Quiver.Symmetric
∀ {U : Type u_1} {V : Type u_2} [inst : Quiver U] [inst_1 : Quiver V] (φ : U ⥤q V) {X Y : Quiver.Symmetrify U} (a : (X ⟶ Y) ⊕ (Y ⟶ X)), φ.symmetrify.map a = Sum.map φ.map φ.map a
null
true
Tuple.lt_card_le_iff_apply_le_of_monotone
Mathlib.Data.Fin.Tuple.Sort
∀ {n : ℕ} {α : Type u_1} {j : Fin n} {f : Fin n → α} [inst : Preorder α] {a : α} [inst_1 : DecidableLE α], Monotone f → (↑j < {i | f i ≤ a}.card ↔ f j ≤ a)
If `f₀ ≤ f₁ ≤ f₂ ≤ ⋯` is a sorted `n`-tuple of elements of `α`, then for any `j : Fin n` and `a : α` we have `j < #{i | fᵢ ≤ a}` iff `fⱼ ≤ a`.
true
TopologicalSpace.denseRange_denseSeq
Mathlib.Topology.Bases
∀ (α : Type u) [t : TopologicalSpace α] [inst : TopologicalSpace.SeparableSpace α] [inst_1 : Nonempty α], DenseRange (TopologicalSpace.denseSeq α)
The sequence `TopologicalSpace.denseSeq α` has dense range.
true
ProbabilityTheory.gaussianReal_sub_const
Mathlib.Probability.Distributions.Gaussian.Real
∀ {μ : ℝ} {v : NNReal} {Ω : Type u_1} {mΩ : MeasurableSpace Ω} {P : MeasureTheory.Measure Ω} {X : Ω → ℝ}, ProbabilityTheory.HasLaw X (ProbabilityTheory.gaussianReal μ v) P → ∀ (y : ℝ), ProbabilityTheory.HasLaw (fun ω => X ω - y) (ProbabilityTheory.gaussianReal (μ - y) v) P
If `X` is a real random variable with Gaussian law with mean `μ` and variance `v`, then `X - y` has Gaussian law with mean `μ - y` and variance `v`.
true
GrpCat.sectionsSubgroup._proof_2
Mathlib.Algebra.Category.Grp.Limits
∀ {J : Type u_3} [inst : CategoryTheory.Category.{u_2, u_3} J] (F : CategoryTheory.Functor J GrpCat) {a b : (j : J) → ↑((F.comp (CategoryTheory.forget₂ GrpCat MonCat)).obj j)}, a ∈ (MonCat.sectionsSubmonoid (F.comp (CategoryTheory.forget₂ GrpCat MonCat))).carrier → b ∈ (MonCat.sectionsSubmonoid (F.comp (Categor...
null
false
_private.Init.Data.List.Monadic.0.List.mapM'.match_1.splitter
Init.Data.List.Monadic
{α : Type u_1} → (motive : List α → Sort u_2) → (x : List α) → (Unit → motive []) → ((a : α) → (l : List α) → motive (a :: l)) → motive x
null
true
CategoryTheory.Limits.WalkingMultispan.proxyType
Mathlib.CategoryTheory.Limits.Shapes.FiniteMultiequalizer
CategoryTheory.Limits.MultispanShape → Type (max w w')
A "proxy type" equivalent to `CategoryTheory.Limits.WalkingMultispan` that is constructed from `Unit`, `PLift`, `Sigma`, `Empty`, and `Sum`. See `CategoryTheory.Limits.WalkingMultispan.proxyTypeEquiv` for the equivalence. (Generated by the `proxy_equiv%` elaborator.)
true
CategoryTheory.EnrichedCategory.id_comp._autoParam
Mathlib.CategoryTheory.Enriched.Basic
Lean.Syntax
null
false
CategoryTheory.Functor.hasStrongEpiMonoFactorisations_imp_of_isEquivalence
Mathlib.CategoryTheory.Limits.Shapes.Images
∀ {C : Type u_1} {D : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Category.{v_2, u_2} D] (F : CategoryTheory.Functor C D) [F.IsEquivalence] [h : CategoryTheory.Limits.HasStrongEpiMonoFactorisations C], CategoryTheory.Limits.HasStrongEpiMonoFactorisations D
null
true
Set.countable_iff_exists_surjective
Mathlib.Data.Set.Countable
∀ {α : Type u} {s : Set α}, s.Nonempty → (s.Countable ↔ ∃ f, Function.Surjective f)
A non-empty set is countable iff there exists a surjection from the natural numbers onto the subtype induced by the set.
true
LocallyConstant.instAddZeroClass.eq_1
Mathlib.Topology.LocallyConstant.Algebra
∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] [inst_1 : AddZeroClass Y], LocallyConstant.instAddZeroClass = Function.Injective.addZeroClass DFunLike.coe ⋯ ⋯ ⋯
null
true
OrderIso.sumLexIioIci._proof_1
Mathlib.Order.Hom.Lex
∀ {α : Type u_1} [inst : LinearOrder α] (x : α), Set.Ici x = {y | ¬y < x}
null
false
ContDiffWithinAt._proof_3
Mathlib.Analysis.Calculus.ContDiff.Defs
∀ (𝕜 : Type u_1) [inst : NontriviallyNormedField 𝕜] {F : Type u_2} [inst_1 : NormedAddCommGroup F] [inst_2 : NormedSpace 𝕜 F], SMulCommClass 𝕜 𝕜 F
null
false
Batteries.Tactic.GeneralizeProofs.withGeneralizedProofs
Batteries.Tactic.GeneralizeProofs
{α : Type} → [Nonempty α] → Lean.Expr → Option Lean.Expr → (Array Lean.Expr → Array Lean.Expr → Lean.Expr → Batteries.Tactic.GeneralizeProofs.MGen α) → Batteries.Tactic.GeneralizeProofs.MGen α
Generalizes the proofs in the type `e` and runs `k` in a local context with these propositions. This continuation `k` is passed 1. an array of fvars for the propositions 2. an array of proof terms (extracted from `e`) that prove these propositions 3. the generalized `e`, which refers to these fvars The `propToFVar` ma...
true
Submonoid.toCommMonoid.eq_1
Mathlib.Algebra.Group.Submonoid.Defs
∀ {M : Type u_5} [inst : CommMonoid M] (S : Submonoid M), S.toCommMonoid = SubmonoidClass.toCommMonoid S
null
true
Fin.instUpwardEnumerable
Init.Data.Range.Polymorphic.Fin
{n : ℕ} → Std.PRange.UpwardEnumerable (Fin n)
null
true
SimpleGraph.isVertexCover_empty._simp_1
Mathlib.Combinatorics.SimpleGraph.VertexCover
∀ {V : Type u_1} {G : SimpleGraph V}, G.IsVertexCover ∅ = (G = ⊥)
null
false
_private.Mathlib.Probability.Distributions.Fernique.0.ProbabilityTheory.Fernique.lintegral_exp_mul_sq_norm_le_mul._simp_1_13
Mathlib.Probability.Distributions.Fernique
∀ {a : ENNReal}, (0 < a.toReal) = (0 < a ∧ a < ⊤)
null
false
Mathlib.Tactic.ClickSuggestions.GrwKey.numGoals
Mathlib.Tactic.ClickSuggestions.GRewrite
Mathlib.Tactic.ClickSuggestions.GrwKey → ℕ
The number of side goals created.
true
Metric.infEDist_biUnion
Mathlib.Topology.MetricSpace.HausdorffDistance
∀ {α : Type u} [inst : PseudoEMetricSpace α] {ι : Type u_2} (f : ι → Set α) (I : Set ι) (x : α), Metric.infEDist x (⋃ i ∈ I, f i) = ⨅ i ∈ I, Metric.infEDist x (f i)
null
true
Aesop.instInhabitedRuleBuilderOptions
Aesop.Builder.Basic
Inhabited Aesop.RuleBuilderOptions
null
true
LieModuleEquiv.mk._flat_ctor
Mathlib.Algebra.Lie.Basic
{R : Type u} → {L : Type v} → {M : Type w} → {N : Type w₁} → [inst : CommRing R] → [inst_1 : LieRing L] → [inst_2 : AddCommGroup M] → [inst_3 : AddCommGroup N] → [inst_4 : Module R M] → [inst_5 : Module R N] → ...
null
false
DFinsupp.equivFunOnFintype._proof_3
Mathlib.Data.DFinsupp.Defs
∀ {ι : Type u_1} {β : ι → Type u_2} [inst : (i : ι) → Zero (β i)] [inst_1 : Fintype ι] (x : Π₀ (i : ι), β i) (x_1 : ι), x_1 ∈ Finset.univ.val ∨ x x_1 = 0
null
false
CategoryTheory.ShrinkHoms.comp_def
Mathlib.CategoryTheory.EssentiallySmall
∀ (C : Type u) [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.LocallySmall.{w, v, u} C] {X Y Z : CategoryTheory.ShrinkHoms.{u} C} (f : Shrink.{w, v} (X.fromShrinkHoms ⟶ Y.fromShrinkHoms)) (g : Shrink.{w, v} (Y.fromShrinkHoms ⟶ Z.fromShrinkHoms)), CategoryTheory.CategoryStruct.comp f g = (e...
null
true
ProbabilityTheory.IndepSets.union
Mathlib.Probability.Independence.Basic
∀ {Ω : Type u_1} {_mΩ : MeasurableSpace Ω} {μ : MeasureTheory.Measure Ω} {s₁ s₂ s' : Set (Set Ω)}, ProbabilityTheory.IndepSets s₁ s' μ → ProbabilityTheory.IndepSets s₂ s' μ → ProbabilityTheory.IndepSets (s₁ ∪ s₂) s' μ
null
true
CategoryTheory.Limits.FormalCoproduct.eval_obj_obj
Mathlib.CategoryTheory.Limits.FormalCoproducts.Basic
∀ (C : Type u) [inst : CategoryTheory.Category.{v, u} C] (A : Type u₁) [inst_1 : CategoryTheory.Category.{v₁, u₁} A] [inst_2 : CategoryTheory.Limits.HasCoproducts A] (F : CategoryTheory.Functor C A) (X : CategoryTheory.Limits.FormalCoproduct C), ((CategoryTheory.Limits.FormalCoproduct.eval C A).obj F).obj X = ∐ f...
null
true
RingHom.Smooth.holdsForLocalizationAway
Mathlib.RingTheory.RingHom.Smooth
RingHom.HoldsForLocalizationAway fun {R S} [CommRing R] [CommRing S] => RingHom.Smooth
null
true
List.tail_append_of_ne_nil
Init.Data.List.Lemmas
∀ {α : Type u_1} {xs ys : List α}, xs ≠ [] → (xs ++ ys).tail = xs.tail ++ ys
null
true
ShrinkingLemma.PartialRefinement.instCoeFunForallSet
Mathlib.Topology.ShrinkingLemma
{ι : Type u_1} → {X : Type u_2} → [inst : TopologicalSpace X] → {u : ι → Set X} → {s : Set X} → {p : Set X → Prop} → CoeFun (ShrinkingLemma.PartialRefinement u s p) fun x => ι → Set X
null
true
Lean.Meta.Grind.Extension.addEMatchTheorem
Lean.Meta.Tactic.Grind.EMatchTheorem
Lean.Meta.Grind.Extension → Lean.Name → ℕ → List Lean.Expr → Lean.Meta.Grind.EMatchTheoremKind → Bool → optParam Lean.AttributeKind Lean.AttributeKind.global → List Lean.Meta.Grind.EMatchTheoremConstraint → Lean.MetaM Unit
Adds an E-matching theorem to the environment. See `mkEMatchTheorem`.
true
MeasureTheory.SignedMeasure.haveLebesgueDecomposition_neg
Mathlib.MeasureTheory.VectorMeasure.Decomposition.Lebesgue
∀ {α : Type u_1} {m : MeasurableSpace α} (s : MeasureTheory.SignedMeasure α) (μ : MeasureTheory.Measure α) [s.HaveLebesgueDecomposition μ], (-s).HaveLebesgueDecomposition μ
null
true
Equiv.swap_apply_eq_iff
Mathlib.Logic.Equiv.Basic
∀ {α : Sort u_1} [inst : DecidableEq α] {x y z w : α}, (Equiv.swap x y) z = w ↔ z = (Equiv.swap x y) w
null
true
TopologicalSpace.Compacts.lipschitz_prod
Mathlib.Topology.MetricSpace.Closeds
∀ {α : Type u_1} {β : Type u_2} [inst : EMetricSpace α] [inst_1 : EMetricSpace β], LipschitzWith 1 fun p => p.1 ×ˢ p.2
null
true
Mathlib.Meta.Positivity.Strictness.nonnegative.injEq
Mathlib.Tactic.Positivity.Core
∀ {u : Lean.Level} {α : Q(Type u)} {zα : Q(Zero «$α»)} {pα : Q(PartialOrder «$α»)} {e : Q(«$α»)} (pf pf_1 : Q(0 ≤ «$e»)), (Mathlib.Meta.Positivity.Strictness.nonnegative pf = Mathlib.Meta.Positivity.Strictness.nonnegative pf_1) = (pf = pf_1)
null
true
DirectLimit.map₀RingHom._proof_2
Mathlib.Algebra.Colimit.DirectLimit
∀ {ι : Type u_2} [inst : Preorder ι] {G : ι → Type u_1} {T : ⦃i j : ι⦄ → i ≤ j → Type u_3} (f : (x x_1 : ι) → (h : x ≤ x_1) → T h) [inst_1 : (i j : ι) → (h : i ≤ j) → FunLike (T h) (G i) (G j)] [inst_2 : DirectedSystem G fun x1 x2 x3 => ⇑(f x1 x2 x3)] [inst_3 : IsDirectedOrder ι] [inst_4 : Nonempty ι] [inst_5 : (...
null
false
_private.Mathlib.Analysis.Convex.DoublyStochasticMatrix.0.convex_doublyStochastic._simp_1_1
Mathlib.Analysis.Convex.DoublyStochasticMatrix
∀ {A : Type u_1} {B : Type u_2} [i : SetLike A B] {p : A} {x : B}, (x ∈ ↑p) = (x ∈ p)
null
false
Mathlib.Meta.FunProp.TheoremForm.comp
Mathlib.Tactic.FunProp.Theorems
Mathlib.Meta.FunProp.TheoremForm
null
true
IsAntichain.preimage_relIso
Mathlib.Order.Antichain
∀ {α : Type u_1} {β : Type u_2} {r : α → α → Prop} {r' : β → β → Prop} {t : Set β}, IsAntichain r' t → ∀ (φ : r ≃r r'), IsAntichain r (⇑φ ⁻¹' t)
null
true
NonemptyInterval.fst_sub
Mathlib.Algebra.Order.Interval.Basic
∀ {α : Type u_2} [inst : Preorder α] [inst_1 : AddCommSemigroup α] [inst_2 : Sub α] [inst_3 : OrderedSub α] [inst_4 : AddLeftMono α] (s t : NonemptyInterval α), (s - t).toProd.1 = s.toProd.1 - t.toProd.2
null
true
Set.extremePoints_eq_self
Mathlib.Analysis.Convex.Extreme
∀ {𝕜 : Type u_1} {E : Type u_2} [inst : Semiring 𝕜] [inst_1 : PartialOrder 𝕜] [inst_2 : AddCommMonoid E] [inst_3 : SMul 𝕜 E] [Subsingleton E] (A : Set E), Set.extremePoints 𝕜 A = A
null
true
Bipointed.hasForget._proof_7
Mathlib.CategoryTheory.Category.Bipointed
∀ {X Y : Bipointed} (f : X.HomSubtype Y), ↑f X.toProd.2 = Y.toProd.2
null
false
SimpleGraph.Walk.Nil.rec
Mathlib.Combinatorics.SimpleGraph.Walk.Basic
{V : Type u} → {G : SimpleGraph V} → {v : V} → {motive : {w : V} → (a : G.Walk v w) → a.Nil → Sort u_1} → motive SimpleGraph.Walk.nil ⋯ → {w : V} → {a : G.Walk v w} → (t : a.Nil) → motive a t
null
false
IsCyclotomicExtension.Rat.Three.eq_one_or_neg_one_of_unit_of_congruent
Mathlib.NumberTheory.NumberField.Cyclotomic.Three
∀ {K : Type u_1} [inst : Field K] {ζ : K} (hζ : IsPrimitiveRoot ζ 3) (u : (NumberField.RingOfIntegers K)ˣ) [inst_1 : NumberField K] [IsCyclotomicExtension {3} ℚ K], (∃ n, (hζ.toInteger - 1) ^ 2 ∣ ↑u - ↑n) → u = 1 ∨ u = -1
If a unit `u` is congruent to an integer modulo `λ ^ 2`, then `u = 1` or `u = -1`. This is a special case of the so-called *Kummer's lemma*.
true
Lean.Linter.LinterOptions.ctorIdx
Lean.Linter.Init
Lean.Linter.LinterOptions → ℕ
null
false
SkewPolynomial.sum_monomial
Mathlib.Algebra.SkewPolynomial.Basic
∀ {R : Type u_1} [inst : Semiring R] (f : SkewPolynomial R), (f.sum fun a => ⇑(SkewPolynomial.monomial a)) = f
null
true
SummationFilter.hasSum_symmetricIcc_iff
Mathlib.Topology.Algebra.InfiniteSum.ConditionalInt
∀ {α : Type u_2} [inst : AddCommMonoid α] [inst_1 : TopologicalSpace α] {f : ℤ → α} {a : α}, HasSum f a (SummationFilter.symmetricIcc ℤ) ↔ Filter.Tendsto (fun N => ∑ n ∈ Finset.Icc (-↑N) ↑N, f n) Filter.atTop (nhds a)
null
true
Lean.Server.FileWorker.InlayHintState.mk
Lean.Server.FileWorker.InlayHints
Array Lean.Elab.InlayHintInfo → ℕ → Option ℕ → Bool → Lean.Server.FileWorker.InlayHintState
null
true
Matrix.updateRow_reindex
Mathlib.LinearAlgebra.Matrix.RowCol
∀ {l : Type u_1} {m : Type u_2} {n : Type u_3} {o : Type u_4} {α : Type v} [inst : DecidableEq l] [inst_1 : DecidableEq m] (A : Matrix m n α) (i : l) (r : o → α) (e : m ≃ l) (f : n ≃ o), ((Matrix.reindex e f) A).updateRow i r = (Matrix.reindex e f) (A.updateRow (e.symm i) fun j => r (f j))
null
true
_private.Mathlib.LinearAlgebra.RootSystem.Chain.0.RootPairing.root_add_nsmul_mem_range_iff_le_chainTopCoeff._proof_1_5
Mathlib.LinearAlgebra.RootSystem.Chain
∀ {ι : Type u_2} {R : Type u_3} {M : Type u_1} {N : Type u_4} [inst : Finite ι] [inst_1 : CommRing R] [inst_2 : CharZero R] [inst_3 : IsDomain R] [inst_4 : AddCommGroup M] [inst_5 : Module R M] [inst_6 : AddCommGroup N] [inst_7 : Module R N] {P : RootPairing ι R M N} [inst_8 : P.IsCrystallographic] {i j : ι} (h :...
null
false
Polynomial.monic_zero_iff_subsingleton'
Mathlib.Algebra.Polynomial.Monic
∀ {R : Type u} [inst : Semiring R], Polynomial.Monic 0 ↔ (∀ (f g : Polynomial R), f = g) ∧ ∀ (a b : R), a = b
null
true
Submodule.dualCoannihilator_bot
Mathlib.LinearAlgebra.Dual.Defs
∀ {R : Type u_1} {M : Type u_2} [inst : CommSemiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M], ⊥.dualCoannihilator = ⊤
null
true
Filter.add_bot
Mathlib.Order.Filter.Pointwise
∀ {α : Type u_2} [inst : Add α] {f : Filter α}, f + ⊥ = ⊥
null
true
Filter.ofCardinalUnion._proof_1
Mathlib.Order.Filter.CardinalInter
∀ {α : Type u_1} {c : Cardinal.{u_1}} (l : Set (Set α)), (∀ (S : Set (Set α)), Cardinal.mk ↑S < c → (∀ s ∈ S, s ∈ l) → ⋃₀ S ∈ l) → ∀ (S : Set (Set α)), Cardinal.mk ↑S < c → S ⊆ {s | sᶜ ∈ l} → ⋂₀ S ∈ {s | sᶜ ∈ l}
null
false
MeasureTheory.MeasurePreserving.preErgodic_of_preErgodic_semiconj
Mathlib.Dynamics.Ergodic.Ergodic
∀ {α : Type u_1} {m : MeasurableSpace α} {f : α → α} {μ : MeasureTheory.Measure α} {β : Type u_2} {m' : MeasurableSpace β} {μ' : MeasureTheory.Measure β} {g : α → β}, MeasureTheory.MeasurePreserving g μ μ' → PreErgodic f μ → ∀ {f' : β → β}, Function.Semiconj g f f' → PreErgodic f' μ'
null
true
Interval.subtractionCommMonoid._proof_2
Mathlib.Algebra.Order.Interval.Basic
∀ {α : Type u_1} [inst : AddCommGroup α] [inst_1 : PartialOrder α] [inst_2 : IsOrderedAddMonoid α] (a : Interval α), zsmulRec nsmulRec 0 a = 0
null
false
SSet.RelativeMorphism.Homotopy.postcomp_h
Mathlib.AlgebraicTopology.SimplicialSet.RelativeMorphism
∀ {X Y Z : SSet} {A : X.Subcomplex} {B : Y.Subcomplex} {φ : A.toSSet ⟶ B.toSSet} {f g : SSet.RelativeMorphism A B φ} {C : Z.Subcomplex} {ψ : B.toSSet ⟶ C.toSSet} (h : f.Homotopy g) (f' : SSet.RelativeMorphism B C ψ) {φψ : A.toSSet ⟶ C.toSSet} (fac : CategoryTheory.CategoryStruct.comp φ ψ = φψ), (h.postcomp f' fac...
null
true
Ring.ofMinimalAxioms._proof_13
Mathlib.Algebra.Ring.MinimalAxioms
∀ {R : Type u_1} [inst : Add R] [inst_1 : Neg R] [inst_2 : Zero R] [inst_3 : One R] (add_assoc : ∀ (a b c : R), a + b + c = a + (b + c)) (zero_add : ∀ (a : R), 0 + a = a) (neg_add_cancel : ∀ (a : R), -a + a = 0) (n : ℕ), (Int.negSucc n).castDef = -↑(n + 1)
null
false
IsLocallyConstant.of_constant
Mathlib.Topology.LocallyConstant.Basic
∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] (f : X → Y), (∀ (x y : X), f x = f y) → IsLocallyConstant f
null
true
_private.Mathlib.GroupTheory.SpecificGroups.Alternating.Centralizer.0.alternatingGroup.commutator_perm_le._simp_1_7
Mathlib.GroupTheory.SpecificGroups.Alternating.Centralizer
∀ {S : Type u_3} [inst : CommMagma S] (a b : S), Commute a b = True
null
false
String.decEq._proof_1
Init.Prelude
∀ (a : List UInt8) (isValidUTF8 : { data := { toList := a } }.IsValidUTF8), { toByteArray := { data := { toList := a } }, isValidUTF8 := isValidUTF8 } = { toByteArray := { data := { toList := a } }, isValidUTF8 := isValidUTF8 }
null
false
Set.eq_restrict_iff
Mathlib.Data.Set.Restrict
∀ {α : Type u_1} {π : α → Type u_6} {s : Set α} {f : (a : ↑s) → π ↑a} {g : (a : α) → π a}, f = s.restrict g ↔ ∀ (a : α) (ha : a ∈ s), f ⟨a, ha⟩ = g a
null
true
CategoryTheory.Functor.hasColimit_map_comp_ι_comp_grothendieckProj
Mathlib.CategoryTheory.Functor.KanExtension.Adjunction
∀ {C : Type u_1} {D : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Category.{v_2, u_2} D] (L : CategoryTheory.Functor C D) {H : Type u_3} [inst_2 : CategoryTheory.Category.{v_3, u_3} H] (F : CategoryTheory.Functor C H) [L.HasPointwiseLeftKanExtension F] {X Y : D} (f : X ⟶ Y), ...
null
true
IsPrimitiveRoot.casesOn
Mathlib.RingTheory.RootsOfUnity.PrimitiveRoots
{M : Type u_1} → [inst : CommMonoid M] → {ζ : M} → {k : ℕ} → {motive : IsPrimitiveRoot ζ k → Sort u} → (t : IsPrimitiveRoot ζ k) → ((pow_eq_one : ζ ^ k = 1) → (dvd_of_pow_eq_one : ∀ (l : ℕ), ζ ^ l = 1 → k ∣ l) → motive ⋯) → motive t
null
false
_private.Mathlib.RingTheory.Spectrum.Prime.ChevalleyComplexity.0.chevalley_mvPolynomial_mvPolynomial._simp_1_9
Mathlib.RingTheory.Spectrum.Prime.ChevalleyComplexity
∀ {R : Type u_2} {S : Type u_3} {σ : Type u_4} [inst : CommSemiring R] [inst_1 : CommSemiring S] [inst_2 : Module R S] {M : Submodule R S} {p : MvPolynomial σ S}, (p ∈ MvPolynomial.coeffsIn σ M) = ∀ (i : σ →₀ ℕ), MvPolynomial.coeff i p ∈ M
null
false
differentiableAt_iff_comp_const_sub
Mathlib.Analysis.Calculus.Deriv.Add
∀ {𝕜 : Type u} [inst : NontriviallyNormedField 𝕜] {F : Type v} [inst_1 : NormedAddCommGroup F] [inst_2 : NormedSpace 𝕜 F] {f : 𝕜 → F} {a b : 𝕜}, DifferentiableAt 𝕜 f a ↔ DifferentiableAt 𝕜 (fun x => f (b - x)) (b - a)
null
true
AddMonCat.id_apply
Mathlib.Algebra.Category.MonCat.Basic
∀ (M : AddMonCat) (x : ↑M), (CategoryTheory.ConcreteCategory.hom (CategoryTheory.CategoryStruct.id M)) x = x
null
true
AlgEquiv.aut
Mathlib.Algebra.Algebra.Equiv
{R : Type uR} → {A₁ : Type uA₁} → [inst : CommSemiring R] → [inst_1 : Semiring A₁] → [inst_2 : Algebra R A₁] → Group (A₁ ≃ₐ[R] A₁)
[Stacks Tag 09HR](https://stacks.math.columbia.edu/tag/09HR)
true
IO.Process.runCmdWithInput'.match_1
Batteries.Lean.IO.Process
(cmd : String) → (args : Array String) → (motive : { stdin := IO.Process.Stdio.piped, stdout := IO.Process.Stdio.piped, stderr := IO.Process.Stdio.piped, cmd := cmd, args := args }.stdin.toHandleType × IO.Process.Child { stdin := IO.Process.Stdio.null, ...
null
false
CategoryTheory.SmallCategoryOfSet.mk.sizeOf_spec
Mathlib.CategoryTheory.SmallRepresentatives
∀ {Ω : Type w} [inst : SizeOf Ω] (obj : Set Ω) (hom : ↑obj → ↑obj → Set Ω) (id : (X : ↑obj) → ↑(hom X X)) (comp : {X Y Z : ↑obj} → ↑(hom X Y) → ↑(hom Y Z) → ↑(hom X Z)) (id_comp : autoParam (∀ {X Y : ↑obj} (f : ↑(hom X Y)), comp (id X) f = f) CategoryTheory.SmallCategoryOfSet.id_comp._autoParam) (comp_id : ...
null
true
Set.Nonempty.of_vsub_right
Mathlib.Algebra.Group.Pointwise.Set.Scalar
∀ {α : Type u_2} {β : Type u_3} [inst : VSub α β] {s t : Set β}, (s -ᵥ t).Nonempty → t.Nonempty
null
true
OmegaCompletePartialOrder.ContinuousHom.ωScottContinuous.map
Mathlib.Order.OmegaCompletePartialOrder
∀ {α : Type u_2} [inst : OmegaCompletePartialOrder α] {β γ : Type u_6} {f : β → γ} {g : α → Part β}, OmegaCompletePartialOrder.ωScottContinuous g → OmegaCompletePartialOrder.ωScottContinuous fun x => f <$> g x
null
true
Int.ediv_nonneg
Init.Data.Int.DivMod.Lemmas
∀ {a b : ℤ}, 0 ≤ a → 0 ≤ b → 0 ≤ a / b
null
true
_private.Mathlib.AlgebraicTopology.ExtraDegeneracy.0.CategoryTheory.SimplicialObject.Augmented.ExtraDegeneracy.homotopy._proof_16
Mathlib.AlgebraicTopology.ExtraDegeneracy
∀ {n : ℕ} (i : Fin (n + 1)) (k : Fin (n + 1 + 1)), i.succ.rev = k → ↑k + 1 + ↑i = n + 1
null
false
ShrinkingLemma.PartialRefinement.mk.noConfusion
Mathlib.Topology.ShrinkingLemma
{ι : Type u_1} → {X : Type u_2} → {inst : TopologicalSpace X} → {u : ι → Set X} → {s : Set X} → {p : Set X → Prop} → {P : Sort u} → {toFun : ι → Set X} → {carrier : Set ι} → {isOpen : ∀ (i : ι), IsOpen (toFun i)} → ...
null
false
Lean.Meta.Canonicalizer.State
Lean.Meta.Canonicalizer
Type
State for the `CanonM` monad.
true
_private.Mathlib.CategoryTheory.Limits.Shapes.ConcreteCategory.0.CategoryTheory.Limits.Concrete.Pi.map_ext.match_1_1
Mathlib.CategoryTheory.Limits.Shapes.ConcreteCategory
∀ {J : Type u_1} (motive : CategoryTheory.Discrete J → Prop) (h : CategoryTheory.Discrete J), (∀ (j : J), motive { as := j }) → motive h
null
false
IsOpen.measure_eq_zero_iff
Mathlib.MeasureTheory.Measure.OpenPos
∀ {X : Type u_1} [inst : TopologicalSpace X] {m : MeasurableSpace X} (μ : MeasureTheory.Measure X) [μ.IsOpenPosMeasure] {U : Set X}, IsOpen U → (μ U = 0 ↔ U = ∅)
null
true
_private.Lean.Elab.PreDefinition.Structural.BRecOn.0.Lean.Elab.Structural.replaceRecApps.loop.match_8
Lean.Elab.PreDefinition.Structural.BRecOn
(recArgInfos : Array Lean.Elab.Structural.RecArgInfo) → (motive : Option (Fin recArgInfos.size) → Sort u_1) → (x : Option (Fin recArgInfos.size)) → ((fnIdx : Fin recArgInfos.size) → motive (some fnIdx)) → ((x : Option (Fin recArgInfos.size)) → motive x) → motive x
null
false
CategoryTheory.FunctorToTypes.binaryCoproductIso._proof_1
Mathlib.CategoryTheory.Limits.Shapes.FunctorToTypes
∀ {C : Type u_1} [inst : CategoryTheory.Category.{u_3, u_1} C] (F G : CategoryTheory.Functor C (Type u_2)), CategoryTheory.Limits.HasColimit (CategoryTheory.Limits.pair F G)
null
false
LieHom.coe_mk
Mathlib.Algebra.Lie.Basic
∀ {R : Type u} {L₁ : Type v} {L₂ : Type w} [inst : CommRing R] [inst_1 : LieRing L₁] [inst_2 : LieAlgebra R L₁] [inst_3 : LieRing L₂] [inst_4 : LieAlgebra R L₂] (f : L₁ → L₂) (h₁ : ∀ (x y : L₁), f (x + y) = f x + f y) (h₂ : ∀ (m : R) (x : L₁), { toFun := f, map_add' := h₁ }.toFun (m • x) = (RingHom.id R) ...
null
true
Valuation.instLinearOrderedCommGroupWithZeroMrange._proof_8
Mathlib.RingTheory.Valuation.Archimedean
∀ {F : Type u_2} {Γ₀ : Type u_1} [inst : Field F] [inst_1 : LinearOrderedCommGroupWithZero Γ₀] {v : Valuation F Γ₀} (a : ↥(MonoidHom.mrange v)), ⊥ ≤ a
null
false
Lean.Meta.Sym.Simp.MethodsRef.toMethods
Lean.Meta.Sym.Simp.SimpM
Lean.Meta.Sym.Simp.MethodsRef → Lean.Meta.Sym.Simp.Methods
null
true
continuousFunctionalCalculus._proof_2
Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Basic
ContinuousMul ℂ
null
false
Sigma.Lex.preorder.match_1
Mathlib.Data.Sigma.Order
∀ {ι : Type u_2} {α : ι → Type u_1} (motive : (Σₗ (i : ι), α i) → Prop) (x : Σₗ (i : ι), α i), (∀ (fst : ι) (a : α fst), motive ⟨fst, a⟩) → motive x
null
false
_private.Mathlib.Lean.Meta.RefinedDiscrTree.Encode.0.Lean.Meta.RefinedDiscrTree.etaPossibilities._sunfold
Mathlib.Lean.Meta.RefinedDiscrTree.Encode
Lean.Expr → List Lean.FVarId → Bool → Lean.Meta.RefinedDiscrTree.LazyEntry → ReaderT Lean.Meta.RefinedDiscrTree.Context✝ Lean.MetaM (List (Lean.Meta.RefinedDiscrTree.Key × Lean.Meta.RefinedDiscrTree.LazyEntry))
null
false
_private.Init.Data.String.Slice.0.String.Slice.Pos.skipWhile.match_1.eq_1
Init.Data.String.Slice
∀ {s : String.Slice} (motive : Option s.Pos → Sort u_1) (nextCurr : s.Pos) (h_1 : (nextCurr : s.Pos) → motive (some nextCurr)) (h_2 : Unit → motive none), (match some nextCurr with | some nextCurr => h_1 nextCurr | none => h_2 ()) = h_1 nextCurr
null
true
Std.Channel.Sync.recv
Std.Sync.Channel
{α : Type} → [Inhabited α] → Std.Channel.Sync α → BaseIO α
Receive a value from the channel, blocking until the transmission could be completed.
true
MeasureTheory.Integrable.uniformIntegrable_condExp
Mathlib.MeasureTheory.Function.ConditionalExpectation.Real
∀ {α : Type u_1} {m0 : MeasurableSpace α} {μ : MeasureTheory.Measure α} {ι : Type u_2} [MeasureTheory.IsFiniteMeasure μ] {g : α → ℝ}, MeasureTheory.Integrable g μ → ∀ {ℱ : ι → MeasurableSpace α}, (∀ (i : ι), ℱ i ≤ m0) → MeasureTheory.UniformIntegrable (fun i => μ[g | ℱ i]) 1 μ
Given an integrable function `g`, the conditional expectations of `g` with respect to a sequence of sub-σ-algebras is uniformly integrable.
true
_private.Mathlib.RingTheory.Congruence.Basic.0.RingCon.instIsCentralScalarQuotient._proof_1
Mathlib.RingTheory.Congruence.Basic
∀ {α : Type u_1} {R : Type u_2} [inst : Add R] [inst_1 : MulOneClass R] [inst_2 : SMul α R] [inst_3 : IsScalarTower α R R] (c : RingCon R) [inst_4 : SMul αᵐᵒᵖ R] [inst_5 : IsCentralScalar α R], IsCentralScalar α c.Quotient
null
false
CategoryTheory.Functor.CommShift₂.mk._flat_ctor
Mathlib.CategoryTheory.Shift.CommShiftTwo
{C₁ : Type u_1} → {C₂ : Type u_3} → {D : Type u_5} → [inst : CategoryTheory.Category.{v_1, u_1} C₁] → [inst_1 : CategoryTheory.Category.{v_3, u_3} C₂] → [inst_2 : CategoryTheory.Category.{v_5, u_5} D] → {M : Type u_6} → [inst_3 : AddCommMonoid M] → ...
null
false
AddCommMagma
Mathlib.Algebra.Group.Defs
Type u → Type u
A commutative additive magma is a type with an addition which commutes.
true
Nat.Partrec'.below.comp
Mathlib.Computability.PartrecBasis
∀ {motive : {n : ℕ} → (a : List.Vector ℕ n →. ℕ) → Nat.Partrec' a → Prop} {m n : ℕ} {f : List.Vector ℕ n →. ℕ} (g : Fin n → List.Vector ℕ m →. ℕ) (a : Nat.Partrec' f) (a_1 : ∀ (i : Fin n), Nat.Partrec' (g i)), Nat.Partrec'.below a → motive f a → (∀ (i : Fin n), Nat.Partrec'.below ⋯) → (∀ (i : Fin n), motive (g ...
null
true
CategoryTheory.ShortComplex.LeftHomologyData.map._proof_2
Mathlib.Algebra.Homology.ShortComplex.PreservesHomology
∀ {C : Type u_4} {D : Type u_2} [inst : CategoryTheory.Category.{u_3, u_4} C] [inst_1 : CategoryTheory.Category.{u_1, u_2} D] [inst_2 : CategoryTheory.Limits.HasZeroMorphisms C] [inst_3 : CategoryTheory.Limits.HasZeroMorphisms D] {S : CategoryTheory.ShortComplex C} (h : S.LeftHomologyData) (F : CategoryTheory.Fun...
null
false
FirstOrder.Language.BoundedFormula.realize_liftAt_one
Mathlib.ModelTheory.Semantics
∀ {L : FirstOrder.Language} {M : Type w} [inst : L.Structure M] {α : Type u'} {n m : ℕ} {φ : L.BoundedFormula α n} {v : α → M} {xs : Fin (n + 1) → M}, m ≤ n → ((FirstOrder.Language.BoundedFormula.liftAt 1 m φ).Realize v xs ↔ φ.Realize v (xs ∘ fun i => if ↑i < m then i.castSucc else i.succ))
null
true
Lean.Meta.FunIndParamKind.dropped.elim
Lean.Meta.Tactic.FunIndInfo
{motive : Lean.Meta.FunIndParamKind → Sort u} → (t : Lean.Meta.FunIndParamKind) → t.ctorIdx = 0 → motive Lean.Meta.FunIndParamKind.dropped → motive t
null
false
Shrink.continuousLinearEquiv_symm_apply
Mathlib.Topology.Algebra.Module.TransferInstance
∀ (R : Type u_1) (α : Type u_2) [inst : Small.{v, u_2} α] [inst_1 : AddCommMonoid α] [inst_2 : TopologicalSpace α] [inst_3 : Semiring R] [inst_4 : Module R α] (a : α), (Shrink.continuousLinearEquiv R α).symm a = (equivShrink α) a
null
true
Std.HashSet.get!_inter_of_not_mem_right
Std.Data.HashSet.Lemmas
∀ {α : Type u} {x : BEq α} {x_1 : Hashable α} {m₁ m₂ : Std.HashSet α} [EquivBEq α] [LawfulHashable α] [inst : Inhabited α] {k : α}, k ∉ m₂ → (m₁ ∩ m₂).get! k = default
null
true