name
stringlengths
2
347
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6
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1
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docString
stringlengths
0
11k
⌀
allowCompletion
bool
2 classes
RingHom.finitePresentation_ofLocalizationSpanTarget
Mathlib.RingTheory.RingHom.FinitePresentation
RingHom.OfLocalizationSpanTarget @RingHom.FinitePresentation
Finite-presentation can be checked on a standard covering of the target.
true
Std.Do.SPred.entails.eq_1
Std.Do.SPred.Laws
∀ (P_2 Q_2 : Std.Do.SPred []), (P_2 ⊢ₛ Q_2) = (P_2.down → Q_2.down)
null
true
CategoryTheory.Limits.Bicone.toBinaryBiconeFunctor._proof_8
Mathlib.CategoryTheory.Limits.Shapes.BinaryBiproducts
∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] {X Y : C} {X_1 Y_1 : CategoryTheory.Limits.Bicone (CategoryTheory.Limits.pairFunction X Y)} (f : X_1 ⟶ Y_1), CategoryTheory.CategoryStruct.comp f.hom { pt := Y_1.pt, fst := Y_1.π CategoryTheory.L...
null
false
Lean.Widget.RpcEncodablePacket._sizeOf_1._@.Lean.Widget.UserWidget.577854155._hygCtx._hyg.1
Lean.Widget.UserWidget
Lean.Widget.RpcEncodablePacket✝ → ℕ
null
false
SSet.Subcomplex.Pairing.ofIso.congr_simp
Mathlib.AlgebraicTopology.SimplicialSet.AnodyneExtensions.Pairing
∀ {X : SSet} {A : X.Subcomplex} (P P_1 : A.Pairing), P = P_1 → ∀ {Y : SSet} {B : Y.Subcomplex} (e e_1 : Y ≅ X) (e_e : e = e_1) (hA : A.preimage e.hom = B), P.ofIso e hA = P_1.ofIso e_1 ⋯
null
true
_private.Mathlib.RingTheory.Localization.Integral.0.IsLocalization.integerNormalization_eval₂_eq_zero.match_1_1
Mathlib.RingTheory.Localization.Integral
∀ {R : Type u_1} [inst : CommRing R] (M : Submonoid R) {S : Type u_2} [inst_1 : CommRing S] [inst_2 : Algebra R S] [inst_3 : IsLocalization M S] (p : Polynomial S) (motive : (∃ b ∈ M, Polynomial.map (algebraMap R S) (IsLocalization.integerNormalization M p) = b • p) → Prop) (x : ∃ b ∈ M, Polynomial.map (algebraMa...
null
false
Colex.instAddCancelMonoid._proof_1
Mathlib.Algebra.Order.Group.Synonym
∀ {α : Type u_1} [inst : AddCancelMonoid α], IsRightCancelAdd (Colex α)
null
false
_private.Lean.Environment.0.Lean.Environment.ConstPromiseVal.mk.injEq
Lean.Environment
∀ (privateConstInfo exportedConstInfo : Lean.ConstantInfo) (exts : Array Lean.EnvExtensionState) (nestedConsts : Lean.VisibilityMap✝ Lean.AsyncConsts✝) (privateConstInfo_1 exportedConstInfo_1 : Lean.ConstantInfo) (exts_1 : Array Lean.EnvExtensionState) (nestedConsts_1 : Lean.VisibilityMap✝ Lean.AsyncConsts✝), ({ ...
null
true
_private.Mathlib.Analysis.Convex.Between.0.sbtw_of_sbtw_of_sbtw_of_mem_affineSpan_pair._simp_1_3
Mathlib.Analysis.Convex.Between
∀ {α : Type u_1} [inst : Zero α] [inst_1 : Preorder α] [inst_2 : DecidableLT α] {a : α}, (SignType.sign a = 1) = (0 < a)
null
false
DFinsupp.coeFnLinearMap_apply
Mathlib.Data.DFinsupp.Module
∀ {ι : Type u} {γ : Type w} {β : ι → Type v} [inst : Semiring γ] [inst_1 : (i : ι) → AddCommMonoid (β i)] [inst_2 : (i : ι) → Module γ (β i)] (v : Π₀ (i : ι), β i), (DFinsupp.coeFnLinearMap γ) v = ⇑v
null
true
Std.Http.URI.Port.omitted.sizeOf_spec
Std.Http.Data.URI.Basic
sizeOf Std.Http.URI.Port.omitted = 1
null
true
Bimod.instCategory._proof_2
Mathlib.CategoryTheory.Monoidal.Bimod
∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.MonoidalCategory C] {A B : CategoryTheory.Mon C} {X Y : Bimod A B} (f : X.Hom Y), Bimod.comp X.id' f = f
null
false
Lean.Doc.MdRendererState.mk.inj
Lean.DocString.Markdown
∀ {imported current imported_1 current_1 : Lean.NameMap Lean.Name}, { imported := imported, current := current } = { imported := imported_1, current := current_1 } → imported = imported_1 ∧ current = current_1
null
true
AddConstMap.mk.injEq
Mathlib.Algebra.AddConstMap.Basic
∀ {G : Type u_1} {H : Type u_2} [inst : Add G] [inst_1 : Add H] {a : G} {b : H} (toFun : G → H) (map_add_const' : ∀ (x : G), toFun (x + a) = toFun x + b) (toFun_1 : G → H) (map_add_const'_1 : ∀ (x : G), toFun_1 (x + a) = toFun_1 x + b), ({ toFun := toFun, map_add_const' := map_add_const' } = { toFun := toFun_1, m...
null
true
solvable_of_solvable_injective
Mathlib.GroupTheory.Solvable
∀ {G : Type u_1} {G' : Type u_2} [inst : Group G] [inst_1 : Group G'] {f : G →* G'}, Function.Injective ⇑f → ∀ [Group.IsSolvable G'], Group.IsSolvable G
**Alias** of `Group.isSolvable_of_isSolvable_injective`.
true
CategoryTheory.Limits.cokernelOrderHom_coe
Mathlib.CategoryTheory.Subobject.Limits
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] [inst_2 : CategoryTheory.Limits.HasCokernels C] (X : C) (a : CategoryTheory.Subobject X), (CategoryTheory.Limits.cokernelOrderHom X) a = CategoryTheory.Subobject.lift (fun x f x_1 => CategoryTheory.Subob...
null
true
CategoryTheory.WithInitial.liftUnique
Mathlib.CategoryTheory.WithTerminal.Basic
{C : Type u} → [inst : CategoryTheory.Category.{v, u} C] → {D : Type u_1} → [inst_1 : CategoryTheory.Category.{v_1, u_1} D] → {Z : D} → (F : CategoryTheory.Functor C D) → (M : (x : C) → Z ⟶ F.obj x) → (hM : ∀ (x y : C) (f : x ⟶ y), CategoryTheory.CategoryStruct.co...
The uniqueness of `lift`.
true
_private.Lean.Meta.Tactic.Grind.Internalize.0.Lean.Meta.Grind.mkEMatchTheoremWithKind'?
Lean.Meta.Tactic.Grind.Internalize
Lean.Meta.Grind.Origin → Array Lean.Name → Lean.Expr → Lean.Meta.Grind.EMatchTheoremKind → Lean.Meta.Grind.SymbolPriorities → Lean.MetaM (Option Lean.Meta.Grind.EMatchTheorem)
null
true
Stream'.WSeq.LiftRelO.eq_2
Mathlib.Data.WSeq.Relation
∀ {α : Type u} {β : Type v} (R : α → β → Prop) (C : Stream'.WSeq α → Stream'.WSeq β → Prop) (a : α) (s : Stream'.WSeq α) (b : β) (t : Stream'.WSeq β), Stream'.WSeq.LiftRelO R C (some (a, s)) (some (b, t)) = (R a b ∧ C s t)
null
true
SatisfiesM_Id_eq
Batteries.Recycling.MonadSatisfying.Basic
∀ {type : Type u_1} {p : type → Prop} {x : Id type}, SatisfiesM p x ↔ p x
null
true
CategoryTheory.Functor.PushoutObjObj.ι_iso_of_iso_right._proof_4
Mathlib.CategoryTheory.Limits.Shapes.Pullback.PullbackObjObj
∀ {C₁ : Type u_5} {C₂ : Type u_6} {C₃ : Type u_2} [inst : CategoryTheory.Category.{u_3, u_5} C₁] [inst_1 : CategoryTheory.Category.{u_4, u_6} C₂] [inst_2 : CategoryTheory.Category.{u_1, u_2} C₃] {F : CategoryTheory.Functor C₁ (CategoryTheory.Functor C₂ C₃)} {f₁ : CategoryTheory.Arrow C₁} {f₂ f₂' : CategoryTheory....
null
false
nonunits
Mathlib.RingTheory.Ideal.Nonunits
(α : Type u_4) → [Monoid α] → Set α
The set of non-invertible elements of a monoid.
true
_private.Mathlib.Algebra.Group.Pointwise.Finset.Basic.0.Finset.card_le_card_sub_left.match_1_1
Mathlib.Algebra.Group.Pointwise.Finset.Basic
∀ {α : Type u_1} {s : Finset α} (motive : s.Nonempty → Prop) (hs : s.Nonempty), (∀ (w : α) (ha : w ∈ s), motive ⋯) → motive hs
null
false
Lean.Widget.RpcEncodablePacket.«_@».Lean.Widget.InteractiveGoal.3114798910._hygCtx._hyg.1.recOn
Lean.Widget.InteractiveGoal
{motive : Lean.Widget.RpcEncodablePacket✝ → Sort u} → (t : Lean.Widget.RpcEncodablePacket✝) → ((hyps type ctx : Lean.Json) → (userName? : Option Lean.Json) → (goalPrefix mvarId : Lean.Json) → (isInserted? isRemoved? : Option Lean.Json) → motive { hyps :=...
null
false
_private.Mathlib.Data.Nat.Choose.Basic.0.Nat.choose_mul_add._proof_1_1
Mathlib.Data.Nat.Choose.Basic
∀ {m n : ℕ}, (m * (n - 1 + 1) + (n - 1 + 1)).choose (n - 1 + 1) * ((m * (n - 1 + 1)).factorial * (n - 1 + 1).factorial) = (m * (n - 1 + 1) + (n - 1 + 1)).choose (n - 1 + 1) * (m * (n - 1 + 1)).factorial * (n - 1 + 1).factorial
null
false
MonoidHom.noncommPiCoprodEquiv._proof_4
Mathlib.GroupTheory.NoncommPiCoprod
∀ {M : Type u_2} [inst : Monoid M] {ι : Type u_1} {N : ι → Type u_3} [inst_1 : (i : ι) → Monoid (N i)] [inst_2 : DecidableEq ι] (f : ((i : ι) → N i) →* M) (x x_1 : ι), x ≠ x_1 → ∀ (x_2 : N x) (y : N x_1), Commute (f (Pi.mulSingle x x_2)) (f (Pi.mulSingle x_1 y))
null
false
_private.Mathlib.Data.Set.Sigma.0.Set.sigma_eq_empty_iff._simp_1_3
Mathlib.Data.Set.Sigma
∀ {α : Sort u_1} {p : α → Prop}, (¬∃ x, p x) = ∀ (x : α), ¬p x
null
false
Std.Time.OffsetX.hourMinuteSecond
Std.Time.Format.Modifier
Std.Time.OffsetX
Hour, minute, and second without colon (e.g., "+013015")
true
_private.Init.Data.SInt.Lemmas.0.Int8.toBitVec_max._simp_1_1
Init.Data.SInt.Lemmas
∀ {a b : Int8}, (a ≤ b) = (a.toBitVec.sle b.toBitVec = true)
null
false
LinearIsometry.extend._proof_7
Mathlib.Analysis.InnerProductSpace.PiL2
∀ {𝕜 : Type u_1} [inst : RCLike 𝕜] {V : Type u_2} [inst_1 : NormedAddCommGroup V] [inst_2 : InnerProductSpace 𝕜 V] [FiniteDimensional 𝕜 V] {S : Submodule 𝕜 V} (L : ↥S →ₗᵢ[𝕜] V), FiniteDimensional 𝕜 ↥L.rangeᗮ
null
false
MeasureTheory.SMulInvariantMeasure.mk
Mathlib.MeasureTheory.Group.Defs
∀ {M : Type u_1} {α : Type u_2} [inst : SMul M α] {x : MeasurableSpace α} {μ : MeasureTheory.Measure α}, (∀ (c : M) ⦃s : Set α⦄, MeasurableSet s → μ ((fun x => c • x) ⁻¹' s) = μ s) → MeasureTheory.SMulInvariantMeasure M α μ
null
true
MvPFunctor.WPath.child.noConfusion
Mathlib.Data.PFunctor.Multivariate.W
{n : ℕ} → {P : MvPFunctor.{u} (n + 1)} → {P_1 : Sort u_1} → {a : P.A} → {f : P.last.B a → P.last.W} → {i : Fin2 n} → {j : P.last.B a} → {c : P.WPath (f j) i} → {a' : P.A} → {f' : P.last.B a' → P.last.W} → {i' :...
null
false
_private.Mathlib.CategoryTheory.Bicategory.Span.Basic.0.CategoryTheory.Span.SpanBicat.instBicategory._proof_49
Mathlib.CategoryTheory.Bicategory.Span.Basic
∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] {Wₗ Wᵣ : CategoryTheory.MorphismProperty C} [inst_1 : Wₗ.ContainsIdentities] [inst_2 : Wᵣ.ContainsIdentities] [inst_3 : Wₗ.HasPullbacksAgainst Wᵣ] [inst_4 : Wₗ.IsStableUnderBaseChangeAgainst Wᵣ] [inst_5 : Wᵣ.IsStableUnderBaseChangeAgainst Wₗ] [inst_6 ...
null
false
AbstractSimplicialComplex.ext
Mathlib.AlgebraicTopology.SimplicialComplex.Basic
∀ {ι : Type u_1} {x y : AbstractSimplicialComplex ι}, x.faces = y.faces → x = y
null
true
SimpleGraph.Iso.induce._proof_5
Mathlib.Combinatorics.SimpleGraph.Maps
∀ {V : Type u_1} {W : Type u_2} {G : SimpleGraph V} {G' : SimpleGraph W} {s : Set V} {t : Set W} (φ : G ≃g G'), Set.BijOn (⇑φ) s t → ∀ (w : ↑t), φ.symm ↑w ∈ s
null
false
Std.Tactic.BVDecide.BVExpr._impl.casesOn
Std.Tactic.BVDecide.Bitblast.BVExpr.Basic
{motive : (a : ℕ) → Std.Tactic.BVDecide.BVExpr._impl a → Sort u} → {a : ℕ} → (t : Std.Tactic.BVDecide.BVExpr._impl a) → ((hashCode : UInt64) → {w : ℕ} → (idx : ℕ) → motive w (Std.Tactic.BVDecide.BVExpr.var._impl hashCode idx)) → ((hashCode : UInt64) → {w : ℕ} → (val : BitVec w) → motive ...
null
false
Std.Internal.List.getKey?._f
Std.Data.Internal.List.Associative
{α : Type u} → {β : α → Type v} → [BEq α] → α → (x : List ((a : α) × β a)) → List.below x → Option α
null
false
Nat.lt_of_shiftLeft_lt
Init.Data.Nat.Bitwise.Lemmas
∀ {a b c : ℕ}, a <<< b < c → a < c
null
true
dite_mem
Mathlib.Basic.Logic.Basic
∀ {α : Type u_1} {β : Type u_2} [inst : Membership α β] {p : Prop} [inst_1 : Decidable p] {a : p → α} {b : ¬p → α} {s : β}, (if h : p then a h else b h) ∈ s ↔ (∀ (h : p), a h ∈ s) ∧ ∀ (h : ¬p), b h ∈ s
null
true
MeasureTheory.Measure.ext_of_sUnion_eq_univ
Mathlib.MeasureTheory.Measure.Restrict
∀ {α : Type u_2} {m0 : MeasurableSpace α} {μ ν : MeasureTheory.Measure α} {S : Set (Set α)}, S.Countable → ⋃₀ S = Set.univ → (∀ s ∈ S, μ.restrict s = ν.restrict s) → μ = ν
**Alias** of the reverse direction of `MeasureTheory.Measure.ext_iff_of_sUnion_eq_univ`. --- Two measures are equal if they have equal restrictions on a spanning collection of sets (formulated using `sUnion`).
true
UpperHalfPlane.instNontrivial
Mathlib.Analysis.Complex.UpperHalfPlane.Basic
Nontrivial UpperHalfPlane
null
true
CategoryTheory.Limits.reflexiveCoequalizerIsoCoequalizer.eq_1
Mathlib.CategoryTheory.Limits.Shapes.Reflexive
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (F : CategoryTheory.Functor CategoryTheory.Limits.WalkingReflexivePair C) [inst_1 : CategoryTheory.Limits.HasCoequalizer (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.left) (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.right)], Cat...
null
true
WittVector.instAddCommGroupStandardOneDimIsocrystal._proof_10
Mathlib.RingTheory.WittVector.Isocrystal
∀ (p : ℕ) [inst : Fact (Nat.Prime p)] (k : Type u_1) [inst_1 : CommRing k] (_m : ℤ), autoParam (∀ (x : WittVector.StandardOneDimIsocrystal p k _m), 0 • x = 0) AddMonoid.nsmul_zero._autoParam
null
false
SkewMonoidAlgebra.single_eq_zero
Mathlib.Algebra.SkewMonoidAlgebra.Basic
∀ {k : Type u_1} {G : Type u_2} [inst : AddMonoid k] {a : G} {b : k}, SkewMonoidAlgebra.single a b = 0 ↔ b = 0
null
true
Unitization.instMulOneClass._proof_4
Mathlib.Algebra.Algebra.Unitization
∀ {R : Type u_1} {A : Type u_2} [inst : Monoid R] [inst_1 : NonUnitalNonAssocSemiring A] [inst_2 : DistribMulAction R A] (a : Unitization R A), a * 1 = a
null
false
CochainComplex.mappingCone.descShortComplex_naturality
Mathlib.Algebra.Homology.HomotopyCategory.ShortExact
∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Abelian C] {S₁ S₂ : CategoryTheory.ShortComplex (CochainComplex C ℤ)} (f : S₁ ⟶ S₂), CategoryTheory.CategoryStruct.comp (CochainComplex.mappingCone.map S₁.f S₂.f f.τ₁ f.τ₂ ⋯) (CochainComplex.mappingCone.descShortComplex S₂...
null
true
_private.Mathlib.Combinatorics.SimpleGraph.Hall.0.SimpleGraph.hall_subgraph._proof_3
Mathlib.Combinatorics.SimpleGraph.Hall
∀ {V : Type u_1} {G : SimpleGraph V} {p : Set V} [inst : DecidablePred fun x => x ∈ p] (f : ↑p → V), (∀ (x : ↑p), G.Adj (↑x) (f x)) → ∀ {v w : V}, (if h : v ∈ p then f ⟨v, h⟩ = w else if h : w ∈ p then f ⟨w, h⟩ = v else False) → G.Adj v w
null
false
Convexity.ConvexSpace.AffineMap.coe_mk
Mathlib.Geometry.Convex.ConvexSpace.AffineMap
∀ {R : Type u_1} [inst : PartialOrder R] [inst_1 : Semiring R] [inst_2 : IsStrictOrderedRing R] {X : Type u_2} {Y : Type u_3} [inst_3 : Convexity.ConvexSpace R X] [inst_4 : Convexity.ConvexSpace R Y] (toFun : X → Y) (isAffineMap_toFun : Convexity.IsAffineMap R toFun), ⇑{ toFun := toFun, isAffineMap_toFun := isAff...
null
true
Set.encard_insert_le
Mathlib.Data.Set.Card
∀ {α : Type u_1} (s : Set α) (x : α), (insert x s).encard ≤ s.encard + 1
null
true
String.Slice.copy_sliceFrom_cast
Init.Data.String.Lemmas.Splits
∀ {s t : String.Slice} (hst : s.copy = t.copy) {pos : s.Pos}, (t.sliceFrom (pos.cast hst)).copy = (s.sliceFrom pos).copy
null
true
CategoryTheory.GrothendieckTopology.pseudofunctorOver_toPrelaxFunctor_toPrelaxFunctorStruct_toPrefunctor_obj_str_id_hom_app
Mathlib.CategoryTheory.Sites.PseudofunctorSheafOver
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (J : CategoryTheory.GrothendieckTopology C) (A : Type u') [inst_1 : CategoryTheory.Category.{v', u'} A] (b : CategoryTheory.LocallyDiscrete Cᵒᵖ) (X : CategoryTheory.ObjectProperty.FullSubcategory (CategoryTheory.Presheaf.IsSheaf (J.over (Opposite.unop b.as)))...
null
true
OrderedFinpartition.eraseLeft
Mathlib.Analysis.Calculus.ContDiff.FaaDiBruno
{n : ℕ} → (c : OrderedFinpartition (n + 1)) → Set.range (c.emb 0) = {0} → OrderedFinpartition n
Given an ordered finpartition of `n+1`, with a leftmost atom equal to `{0}`, remove this atom to form an ordered finpartition of `n`.
true
groupHomology.isoShortComplexH1._proof_1
Mathlib.RepresentationTheory.Homological.GroupHomology.LowDegree
(ComplexShape.down ℕ).prev 1 = 2
null
false
Quiver.SingleObj.toPrefunctor_apply_obj
Mathlib.Combinatorics.Quiver.SingleObj
∀ {α : Type u_1} {β : Type u_2} (f : α → β) (a : Quiver.SingleObj α), (Quiver.SingleObj.toPrefunctor f).obj a = id a
null
true
SheafOfModules.GeneratingSections.I
Mathlib.Algebra.Category.ModuleCat.Sheaf.Generators
{C : Type u'} → [inst : CategoryTheory.Category.{v', u'} C] → {J : CategoryTheory.GrothendieckTopology C} → {R : CategoryTheory.Sheaf J RingCat} → [inst_1 : CategoryTheory.HasWeakSheafify J AddCommGrpCat] → [inst_2 : J.WEqualsLocallyBijective AddCommGrpCat] → {M : SheafOfModules R} → M.Gen...
the index type for the sections
true
Std.Tactic.BVDecide.BVExpr.bitblast.goCache._mutual._proof_29
Std.Tactic.BVDecide.Bitblast.BVExpr.Circuit.Impl.Expr
∀ (aig : Std.Sat.AIG Std.Tactic.BVDecide.BVBit) (cache : Std.Tactic.BVDecide.BVExpr.Cache aig) (w n : ℕ) (lhs : Std.Tactic.BVDecide.BVExpr w) (rhs : Std.Tactic.BVDecide.BVExpr n), (invImage (fun x => PSum.casesOn x (fun _x => PSigma.casesOn _x fun w aig => ...
null
false
CategoryTheory.Regular.instMonoDesc
Mathlib.CategoryTheory.RegularCategory.Basic
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Regular C] {X Y : C} (f : X ⟶ Y), CategoryTheory.Mono (CategoryTheory.Limits.coequalizer.desc f ⋯)
null
true
List.isPrefixOf_nil_left
Init.Data.List.Basic
∀ {α : Type u} {l : List α} [inst : BEq α], [].isPrefixOf l = true
null
true
Mathlib.Tactic.BicategoryLike.WhiskerLeft.of.sizeOf_spec
Mathlib.Tactic.CategoryTheory.Coherence.Normalize
∀ (η : Mathlib.Tactic.BicategoryLike.HorizontalComp), sizeOf (Mathlib.Tactic.BicategoryLike.WhiskerLeft.of η) = 1 + sizeOf η
null
true
smul_preimage_set_subsetₛₗ
Mathlib.GroupTheory.GroupAction.Pointwise
∀ {M : Type u_1} {N : Type u_2} {F : Type u_3} {α : Type u_4} {β : Type u_5} {σ : M → N} [inst : SMul M α] [inst_1 : SMul N β] [inst_2 : FunLike F α β] [MulActionSemiHomClass F σ α β] (f : F) (c : M) (t : Set β), c • ⇑f ⁻¹' t ⊆ ⇑f ⁻¹' (σ c • t)
Translation of preimage is contained in preimage of translation
true
pathComponent_subset_component
Mathlib.Topology.Connected.PathConnected
∀ {X : Type u_1} [inst : TopologicalSpace X] (x : X), pathComponent x ⊆ connectedComponent x
null
true
CoalgEquiv.toCoalgIso
Mathlib.Algebra.Category.CoalgCat.Basic
{R : Type u} → [inst : CommRing R] → {X Y : Type v} → [inst_1 : AddCommGroup X] → [inst_2 : Module R X] → [inst_3 : AddCommGroup Y] → [inst_4 : Module R Y] → [inst_5 : Coalgebra R X] → [inst_6 : Coalgebra R Y] → (X ≃ₗc[R] Y) → (↧X ≅ ↧Y)
Build an isomorphism in the category `CoalgCat R` from a `CoalgEquiv`.
true
Std.DTreeMap.Internal.Impl.link._unsafe_rec
Std.Data.DTreeMap.Internal.Operations
{α : Type u} → {β : α → Type v} → (k : α) → β k → (l r : Std.DTreeMap.Internal.Impl α β) → l.Balanced → r.Balanced → Std.DTreeMap.Internal.Impl.Tree α β (l.size + 1 + r.size)
null
false
ProbabilityTheory.«term𝔼[_]»
Mathlib.Probability.Notation
Lean.ParserDescr
`𝔼[X]` is the expectation of `X`, defined as its Lebesgue integral.
true
_private.Mathlib.RingTheory.SimpleModule.WedderburnArtin.0.isSemisimpleRing_iff_pi_matrix_divisionRing.match_1_1
Mathlib.RingTheory.SimpleModule.WedderburnArtin
∀ {R : Type u_1} [inst : Ring R] (motive : (∃ n D d x, (∀ (i : Fin n), NeZero (d i)) ∧ Nonempty (R ≃+* ((i : Fin n) → Matrix (Fin (d i)) (Fin (d i)) (D i)))) → Prop) (x : ∃ n D d x, (∀ (i : Fin n), NeZero (d i)) ∧ Nonempty (R ≃+* ((i : Fin n) → Matrix (Fin (d i)) (Fin (d i)) (D i)))), (∀ (n : ℕ) (D ...
null
false
IsOpen.analyticSet_image
Mathlib.MeasureTheory.Constructions.Polish.Basic
∀ {α : Type u_1} [inst : TopologicalSpace α] {β : Type u_3} [inst_1 : TopologicalSpace β] [PolishSpace β] {s : Set β}, IsOpen s → ∀ {f : β → α}, Continuous f → MeasureTheory.AnalyticSet (f '' s)
The image of an open set under a continuous map is analytic.
true
AlgebraicTopology.DoldKan.N₁Γ₀_app
Mathlib.AlgebraicTopology.DoldKan.GammaCompN
∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Preadditive C] [inst_2 : CategoryTheory.Limits.HasFiniteCoproducts C] (K : ChainComplex C ℕ), AlgebraicTopology.DoldKan.N₁Γ₀.app K = (AlgebraicTopology.DoldKan.Γ₀.splitting K).toKaroubiNondegComplexIsoN₁.symm ≪≫ (Categ...
null
true
Subalgebra.copy_eq
Mathlib.Algebra.Algebra.Subalgebra.Basic
∀ {R : Type u} {A : Type v} [inst : CommSemiring R] [inst_1 : Semiring A] [inst_2 : Algebra R A] (S : Subalgebra R A) (s : Set A) (hs : s = ↑S), S.copy s hs = S
null
true
AntisymmRel.not_incompRel
Mathlib.Order.Comparable
∀ {α : Type u_1} {a b : α} {r : α → α → Prop}, AntisymmRel r a b → ¬IncompRel r a b
null
true
Std.PRange.instToStreamRiiIterIteratorOfUpwardEnumerableOfLeast?
Init.Data.Range.Polymorphic.Stream
{α : Type} → [Std.PRange.UpwardEnumerable α] → [Std.PRange.Least? α] → Std.ToStream (Std.Rii α) (Std.Iter α)
null
true
IO.TaskState.noConfusionType
Init.System.IO
Sort v✝ → IO.TaskState → IO.TaskState → Sort v✝
null
true
closedPoints
Mathlib.Topology.JacobsonSpace
(X : Type u_1) → [TopologicalSpace X] → Set X
The set of closed points.
true
Lean.Grind.Field.NormNum.inv_eq
Init.Grind.FieldNormNum
∀ {α : Type u_1} [inst : Lean.Grind.Field α] (a : α) (v₁ v : ℚ), (v == v₁⁻¹) = true → a = Lean.Grind.Field.NormNum.ofRat v₁ → a⁻¹ = Lean.Grind.Field.NormNum.ofRat v
null
true
nhds_zero_symm'
Mathlib.Topology.Algebra.Group.Basic
∀ (G : Type u_1) [inst : TopologicalSpace G] [inst_1 : AddGroup G] [IsTopologicalAddGroup G], Filter.map Neg.neg (nhds 0) = nhds 0
null
true
_private.Mathlib.Tactic.Positivity.Core.0.Mathlib.Meta.Positivity.solve.match_1
Mathlib.Tactic.Positivity.Core
(motive : Bool → Sort u_1) → (__x : Bool) → (Unit → motive true) → ((x : Bool) → motive x) → motive __x
null
false
List.dropLast_cons₂
Init.Data.List.Basic
∀ {α : Type u_1} {x y : α} {zs : List α}, (x :: y :: zs).dropLast = x :: (y :: zs).dropLast
null
true
_private.Mathlib.Combinatorics.Derangements.Finite.0.card_derangements_fin_eq_numDerangements._proof_1_2
Mathlib.Combinatorics.Derangements.Finite
∀ (n : ℕ), n < n + 1 + 1
null
false
AddSubmonoid.LocalizationMap.of_addEquivOfAddEquiv
Mathlib.GroupTheory.MonoidLocalization.Maps
∀ {M : Type u_1} [inst : AddCommMonoid M] {S : AddSubmonoid M} {N : Type u_2} [inst_1 : AddCommMonoid N] {P : Type u_3} [inst_2 : AddCommMonoid P] (f : S.LocalizationMap N) {T : AddSubmonoid P} {Q : Type u_4} [inst_3 : AddCommMonoid Q] {k : T.LocalizationMap Q} {j : M ≃+ P} (H : AddSubmonoid.map j.toAddMonoidHom S ...
null
true
_private.Mathlib.Data.Finset.Prod.0.Finset.nontrivial_prod_iff._simp_1_2
Mathlib.Data.Finset.Prod
∀ {α : Type u_1} {s : Finset α}, s.Nontrivial = (1 < s.card)
null
false
LieAdmissibleAlgebra.noConfusionType
Mathlib.Algebra.NonAssoc.LieAdmissible.Defs
Sort u → {R : Type u_1} → {L : Type u_2} → [inst : CommRing R] → [inst_1 : LieAdmissibleRing L] → LieAdmissibleAlgebra R L → {R' : Type u_1} → {L' : Type u_2} → [inst' : CommRing R'] → [inst'_1 : LieAdmissibleRing L'] → LieAdmissibleAlgebra R' L' →...
null
false
one_divp
Mathlib.Algebra.Group.Units.Defs
∀ {α : Type u} [inst : Monoid α] (u : αˣ), 1 /ₚ u = ↑u⁻¹
null
true
unitInterval.image_coe_preimage_symm
Mathlib.Topology.UnitInterval
∀ {s : Set ↑unitInterval}, Subtype.val '' unitInterval.symm ⁻¹' s = (fun x => 1 - x) ⁻¹' Subtype.val '' s
null
true
CategoryTheory.StructuredArrow.mapIso_unitIso_inv_app_right
Mathlib.CategoryTheory.Comma.StructuredArrow.Basic
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D] {S S' : D} {T : CategoryTheory.Functor C D} (i : S ≅ S') (X : CategoryTheory.Comma (CategoryTheory.Functor.fromPUnit S) T), ((CategoryTheory.StructuredArrow.mapIso i).unitIso.inv.app X).right = ...
null
true
Ordnode.foldr._sunfold
Mathlib.Data.Ordmap.Ordnode
{α : Type u_1} → {β : Sort u_2} → (α → β → β) → Ordnode α → β → β
null
false
Algebra.pushoutDesc_left
Mathlib.RingTheory.IsTensorProduct
∀ {R : Type u_1} {S : Type v₃} [inst : CommSemiring R] [inst_1 : CommSemiring S] [inst_2 : Algebra R S] {R' : Type u_6} (S' : Type u_7) [inst_3 : CommSemiring R'] [inst_4 : CommSemiring S'] [inst_5 : Algebra R R'] [inst_6 : Algebra S S'] [inst_7 : Algebra R' S'] [inst_8 : Algebra R S'] [inst_9 : IsScalarTower R R' ...
null
true
CategoryTheory.ObjectProperty.prop_iSup_iff._simp_1
Mathlib.CategoryTheory.ObjectProperty.CompleteLattice
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {α : Sort u_1} (P : α → CategoryTheory.ObjectProperty C) (X : C), (⨆ a, P a) X = ∃ a, P a X
null
false
Orientation.basisRightAngleRotation
Mathlib.Analysis.InnerProductSpace.TwoDim
{E : Type u_1} → [inst : NormedAddCommGroup E] → [inst_1 : InnerProductSpace ℝ E] → [Fact (Module.finrank ℝ E = 2)] → Orientation ℝ E (Fin 2) → (x : E) → x ≠ 0 → Module.Basis (Fin 2) ℝ E
For a nonzero vector `x` in an oriented two-dimensional real inner product space `E`, `![x, J x]` forms an (orthogonal) basis for `E`.
true
_private.Mathlib.AlgebraicGeometry.StructureSheaf.0.AlgebraicGeometry.StructureSheaf.toBasicOpenₗ
Mathlib.AlgebraicGeometry.StructureSheaf
(R M : Type u) → [inst : CommRing R] → [inst_1 : AddCommGroup M] → [inst_2 : Module R M] → (f : R) → LocalizedModule.Away f M →ₗ[R] (AlgebraicGeometry.structureSheafInType R M).obj.obj (Opposite.op (PrimeSpectrum.basicOpen f))
The canonical linear map interpreting `s ∈ M_f` as a section of the structure sheaf on the basic open defined by `f ∈ R`.
true
_private.Mathlib.SetTheory.Ordinal.Basic.0.Ordinal.type_eq_one_iff_unique.match_1_3
Mathlib.SetTheory.Ordinal.Basic
∀ {α : Type u_1} (motive : Nonempty (Unique α) → Prop) (x : Nonempty (Unique α)), (∀ (val : Unique α), motive ⋯) → motive x
null
false
IsometryEquiv.instEquivLike
Mathlib.Topology.MetricSpace.Isometry
{α : Type u} → {β : Type v} → [inst : PseudoEMetricSpace α] → [inst_1 : PseudoEMetricSpace β] → EquivLike (α ≃ᵢ β) α β
null
true
isAtomistic_dual_iff_isCoatomistic._simp_1
Mathlib.Order.Atoms
∀ {α : Type u_2} [inst : PartialOrder α] [inst_1 : OrderTop α], IsAtomistic αᵒᵈ = IsCoatomistic α
null
false
WithTop.lt_iff_exists_coe
Mathlib.Order.WithBot
∀ {α : Type u_1} [inst : LT α] {x y : WithTop α}, y < x ↔ ∃ b, y = ↑b ∧ ↑b < x
null
true
List.subset_cons_of_subset._simp_1
Init.Data.List.Sublist
∀ {α : Type u_1} (a : α) {l₁ l₂ : List α}, l₁ ⊆ l₂ → (l₁ ⊆ a :: l₂) = True
null
false
PNat.XgcdType.vp
Mathlib.Data.PNat.Xgcd
PNat.XgcdType → ℕ × ℕ
The map `v` gives the product of the matrix `[[w, x], [y, z]] = [[wp + 1, x], [y, zp + 1]]` and the vector `[a, b] = [ap + 1, bp + 1]`. The map `vp` gives `[sp, tp]` such that `v = [sp + 1, tp + 1]`.
true
Filter.map_sumElim_eq
Mathlib.Order.Filter.Map
∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} (l : Filter (α ⊕ β)) (m₁ : α → γ) (m₂ : β → γ), Filter.map (Sum.elim m₁ m₂) l = Filter.map m₁ (Filter.comap Sum.inl l) ⊔ Filter.map m₂ (Filter.comap Sum.inr l)
null
true
ArchimedeanClass.mk_neg
Mathlib.Algebra.Order.Archimedean.Class
∀ {M : Type u_1} [inst : AddCommGroup M] [inst_1 : LinearOrder M] [inst_2 : IsOrderedAddMonoid M] (a : M), ArchimedeanClass.mk (-a) = ArchimedeanClass.mk a
null
true
_private.Mathlib.Combinatorics.SimpleGraph.Hall.0.SimpleGraph.exists_bijective_of_forall_ncard_le._proof_1_2
Mathlib.Combinatorics.SimpleGraph.Hall
∀ {V : Type u_1} {p₁ p₂ : Set V} (f : V → V), (∀ x ∈ p₁, f x ∉ p₁) → (∀ (x : V), f x ∈ p₁ ∨ f x ∈ p₂) → ∀ (x : ↑p₁), f ↑x ∈ p₂
null
false
Manifold.IsSubmersionAtOfComplement.instNormedAddCommGroupSmallComplement._proof_4
Mathlib.Geometry.Manifold.Submersion
∀ {𝕜 : Type u_2} {E'' : Type u_3} {F : Type u_4} {H : Type u_5} {G : Type u_6} {E : Type u_1} [inst : NontriviallyNormedField 𝕜] [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] [inst_3 : NormedAddCommGroup E''] [inst_4 : NormedSpace 𝕜 E''] [inst_5 : NormedAddCommGroup F] [inst_6 : NormedSpace 𝕜 F]...
null
false
IsMulFG.mk._flat_ctor
Mathlib.GroupTheory.Finiteness
∀ {M : Type u_3} [inst : Mul M], (∃ S, Subsemigroup.closure ↑S = ⊤) → IsMulFG M
null
false
Lean.Compiler.LCNF.Specialize.findSpecCache?
Lean.Compiler.LCNF.Specialize
Lean.Expr → Lean.CoreM (Option Lean.Name)
null
true