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ArchimedeanClass.FiniteResidueField.ofArchimedean._proof_3
Mathlib.Algebra.Order.Ring.StandardPart
∀ {K : Type u_1} [inst : LinearOrder K] [inst_1 : Field K] [inst_2 : IsOrderedRing K] {R : Type u_2} [inst_3 : LinearOrder R] [inst_4 : CommRing R] [inst_5 : IsStrictOrderedRing R] [inst_6 : Archimedean R] (f : R →+*o K) (x y : R), ArchimedeanClass.FiniteResidueField.mk (ArchimedeanClass.FiniteElement.mk (f (x * y)) ⋯) = ArchimedeanClass.FiniteResidueField.mk (ArchimedeanClass.FiniteElement.mk (f x) ⋯) * ArchimedeanClass.FiniteResidueField.mk (ArchimedeanClass.FiniteElement.mk (f y) ⋯)
CategoryTheory.SymmetricCategory.toBraidedCategory
Mathlib.CategoryTheory.Monoidal.Braided.Basic
{C : Type u} → {inst : CategoryTheory.Category.{v, u} C} → {inst_1 : CategoryTheory.MonoidalCategory C} → [self : CategoryTheory.SymmetricCategory C] → CategoryTheory.BraidedCategory C
WittVector.fromPadicInt
Mathlib.RingTheory.WittVector.Compare
(p : ℕ) → [hp : Fact (Nat.Prime p)] → ℤ_[p] →+* WittVector p (ZMod p)
_private.Lean.Compiler.LCNF.InferType.0.Lean.Compiler.LCNF.Arg.inferType.match_1
Lean.Compiler.LCNF.InferType
(motive : (pu : Lean.Compiler.LCNF.Purity) → Lean.Compiler.LCNF.Arg pu → Sort u_1) → (pu : Lean.Compiler.LCNF.Purity) → (arg : Lean.Compiler.LCNF.Arg pu) → ((arg : Lean.Compiler.LCNF.Arg Lean.Compiler.LCNF.Purity.pure) → motive Lean.Compiler.LCNF.Purity.pure arg) → ((arg : Lean.Compiler.LCNF.Arg Lean.Compiler.LCNF.Purity.impure) → motive Lean.Compiler.LCNF.Purity.impure arg) → motive pu arg
TypeVec.toSubtype'._sunfold
Mathlib.Data.TypeVec
{n : ℕ} → {α : TypeVec.{u} n} → (p : (α.prod α).Arrow (TypeVec.repeat n Prop)) → TypeVec.Arrow (fun i => { x // TypeVec.ofRepeat (p i (TypeVec.prod.mk i x.1 x.2)) }) (TypeVec.Subtype_ p)
_private.Mathlib.Algebra.Lie.Weights.IsSimple.0.LieAlgebra.IsKilling.chi_not_in_q_aux
Mathlib.Algebra.Lie.Weights.IsSimple
∀ {K : Type u_1} {L : Type u_2} [inst : Field K] [inst_1 : CharZero K] [inst_2 : LieRing L] [inst_3 : LieAlgebra K L] [inst_4 : FiniteDimensional K L] {H : LieSubalgebra K L} [inst_5 : H.IsCartanSubalgebra] [inst_6 : LieAlgebra.IsKilling K L] [inst_7 : LieModule.IsTriangularizable K (↥H) L] (q : Submodule K (Module.Dual K ↥H)), (∀ (i : ↥LieSubalgebra.root), q ∈ Module.End.invtSubmodule ↑((LieAlgebra.IsKilling.rootSystem H).reflection i)) → ∀ (χ : LieModule.Weight K (↥H) L) (x_χ m_α : L), x_χ ∈ LieModule.genWeightSpace L ⇑χ → ∀ (α : LieModule.Weight K (↥H) L), LieModule.Weight.toLinear K (↥H) L α ∈ q → α.IsNonZero → LieModule.Weight.toLinear K (↥H) L χ + LieModule.Weight.toLinear K (↥H) L α ≠ 0 → LieModule.Weight.toLinear K (↥H) L χ - LieModule.Weight.toLinear K (↥H) L α ≠ 0 → LieModule.Weight.toLinear K (↥H) L χ ≠ 0 → ∀ (m_pos m_neg : L), ∀ y ∈ LieAlgebra.corootSpace ⇑α, ⁅x_χ, m_α⁆ = ⁅x_χ, m_pos⁆ + ⁅x_χ, m_neg⁆ + ⁅x_χ, ↑y⁆ → ⁅x_χ, m_pos⁆ ∈ LieModule.genWeightSpace L (⇑χ + ⇑α) → ⁅x_χ, m_neg⁆ ∈ LieModule.genWeightSpace L (⇑χ - ⇑α) → LieModule.Weight.toLinear K (↥H) L χ ∉ q → ⁅x_χ, m_α⁆ ∈ ⨆ α, LieAlgebra.IsKilling.sl2SubmoduleOfRoot ⋯
Sum.LiftRel.isRight_right
Mathlib.Data.Sum.Basic
∀ {α : Type u} {β : Type v} {γ : Type u_1} {δ : Type u_2} {r : α → γ → Prop} {s : β → δ → Prop} {y : γ ⊕ δ} {b : β}, Sum.LiftRel r s (Sum.inr b) y → y.isRight = true
LinearMap.comap_prod_prod
Mathlib.LinearAlgebra.Prod
∀ {R : Type u} {M : Type v} {M₂ : Type w} {M₃ : Type y} [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : AddCommMonoid M₂] [inst_3 : AddCommMonoid M₃] [inst_4 : Module R M] [inst_5 : Module R M₂] [inst_6 : Module R M₃] (f : M →ₗ[R] M₂) (g : M →ₗ[R] M₃) (p : Submodule R M₂) (q : Submodule R M₃), Submodule.comap (f.prod g) (p.prod q) = Submodule.comap f p ⊓ Submodule.comap g q
Metric.thickening_thickening_subset
Mathlib.Topology.MetricSpace.Thickening
∀ {α : Type u} [inst : PseudoEMetricSpace α] (ε δ : ℝ) (s : Set α), Metric.thickening ε (Metric.thickening δ s) ⊆ Metric.thickening (ε + δ) s
ENNReal.inv_rpow
Mathlib.Analysis.SpecialFunctions.Pow.NNReal
∀ (x : ENNReal) (y : ℝ), x⁻¹ ^ y = (x ^ y)⁻¹
_private.Lean.Elab.Tactic.Do.ProofMode.Exact.0.Lean.Elab.Tactic.Do.ProofMode.MGoal.exactPure._sparseCasesOn_1
Lean.Elab.Tactic.Do.ProofMode.Exact
{α : Type u} → {motive : Option α → Sort u_1} → (t : Option α) → ((val : α) → motive (some val)) → (Nat.hasNotBit 2 t.ctorIdx → motive t) → motive t
MvPowerSeries.instNontrivial
Mathlib.RingTheory.MvPowerSeries.Basic
∀ {σ : Type u_1} {R : Type u_2} [Nontrivial R], Nontrivial (MvPowerSeries σ R)
CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.instCategory
Mathlib.CategoryTheory.Limits.Shapes.Pullback.Categorical.Basic
{A : Type u₁} → {B : Type u₂} → {C : Type u₃} → [inst : CategoryTheory.Category.{v₁, u₁} A] → [inst_1 : CategoryTheory.Category.{v₂, u₂} B] → [inst_2 : CategoryTheory.Category.{v₃, u₃} C] → {F : CategoryTheory.Functor A B} → {G : CategoryTheory.Functor C B} → (X : Type u₄) → [inst_3 : CategoryTheory.Category.{v₄, u₄} X] → CategoryTheory.Category.{max (max u₄ v₃) v₁, max (max (max (max (max (max u₄ u₃) u₁) v₄) v₃) v₂) v₁} (CategoryTheory.Limits.CategoricalPullback.CatCommSqOver F G X)
LieSubalgebra.coe_incl'
Mathlib.Algebra.Lie.Subalgebra
∀ {R : Type u} {L : Type v} [inst : CommRing R] [inst_1 : LieRing L] [inst_2 : LieAlgebra R L] (L' : LieSubalgebra R L), ⇑L'.incl' = Subtype.val
Lean.Grind.OrderConfig.funCC._inherited_default
Init.Grind.Config
Bool
Option.instTransOrd
Init.Data.Order.Ord
∀ {α : Type u_1} [inst : Ord α] [Std.TransOrd α], Std.TransOrd (Option α)
HomologicalComplex.HomologySequence.snakeInput._proof_4
Mathlib.Algebra.Homology.HomologySequence
∀ {C : Type u_2} {ι : Type u_3} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.Abelian C] {c : ComplexShape ι} {S : CategoryTheory.ShortComplex (HomologicalComplex C c)} (i j : ι), CategoryTheory.CategoryStruct.comp (S.mapNatTrans (HomologicalComplex.natTransOpCyclesToCycles C c i j)) (S.mapNatTrans (HomologicalComplex.natTransHomologyπ C c j)) = 0
Ring.instIsScalarTowerFractionRingSubtypeAlgebraicClosureMemIntermediateFieldNormalClosure
Mathlib.RingTheory.NormalClosure
∀ (R : Type u_1) (S : Type u_2) [inst : CommRing R] [inst_1 : CommRing S] [inst_2 : IsDomain R] [inst_3 : IsDomain S] [inst_4 : Algebra R S] [inst_5 : Module.IsTorsionFree R S], IsScalarTower S (FractionRing S) ↥(IntermediateField.normalClosure (FractionRing R) (FractionRing S) (AlgebraicClosure (FractionRing S)))
Fin.instSub
Init.Data.Fin.Basic
{n : ℕ} → Sub (Fin n)
HolderOnWith.ediam_image_le_of_subset_of_le
Mathlib.Topology.MetricSpace.Holder
∀ {X : Type u_1} {Y : Type u_2} [inst : PseudoEMetricSpace X] [inst_1 : PseudoEMetricSpace Y] {C r : NNReal} {f : X → Y} {s t : Set X}, HolderOnWith C r f s → t ⊆ s → ∀ {d : ENNReal}, Metric.ediam t ≤ d → Metric.ediam (f '' t) ≤ ↑C * d ^ ↑r
Int64.reduceAdd._regBuiltin.Int64.reduceAdd.declare_1._@.Lean.Meta.Tactic.Simp.BuiltinSimprocs.SInt.4041591762._hygCtx._hyg.56
Lean.Meta.Tactic.Simp.BuiltinSimprocs.SInt
IO Unit
CategoryTheory.Pseudofunctor.DescentData'.descentDataEquivalence._proof_11
Mathlib.CategoryTheory.Sites.Descent.DescentDataPrime
∀ {C : Type u_5} [inst : CategoryTheory.Category.{u_3, u_5} C] (F : CategoryTheory.Pseudofunctor (CategoryTheory.LocallyDiscrete Cᵒᵖ) CategoryTheory.Cat) {ι : Type u_1} {S : C} {X : ι → C} {f : (i : ι) → X i ⟶ S} (sq : (i j : ι) → CategoryTheory.Limits.ChosenPullback (f i) (f j)) (sq₃ : (i₁ i₂ i₃ : ι) → CategoryTheory.Limits.ChosenPullback₃ (sq i₁ i₂) (sq i₂ i₃) (sq i₁ i₃)) (X_1 : F.DescentData' sq sq₃), CategoryTheory.CategoryStruct.comp ((CategoryTheory.Pseudofunctor.DescentData'.toDescentDataFunctor F sq sq₃).map ((CategoryTheory.NatIso.ofComponents (fun D => CategoryTheory.Pseudofunctor.DescentData'.isoMk (fun x => CategoryTheory.Iso.refl (((CategoryTheory.Functor.id (F.DescentData' sq sq₃)).obj D).obj x)) ⋯) ⋯).hom.app X_1)) ((CategoryTheory.NatIso.ofComponents (fun D => CategoryTheory.Pseudofunctor.DescentData.isoMk (fun x => CategoryTheory.Iso.refl ((((CategoryTheory.Pseudofunctor.DescentData'.fromDescentDataFunctor F sq sq₃).comp (CategoryTheory.Pseudofunctor.DescentData'.toDescentDataFunctor F sq sq₃)).obj D).obj x)) ⋯) ⋯).hom.app ((CategoryTheory.Pseudofunctor.DescentData'.toDescentDataFunctor F sq sq₃).obj X_1)) = CategoryTheory.CategoryStruct.id ((CategoryTheory.Pseudofunctor.DescentData'.toDescentDataFunctor F sq sq₃).obj X_1)
Matrix.separatingRight_toLinearMap₂'_iff_separatingRight_toLinearMap₂
Mathlib.LinearAlgebra.Matrix.SesquilinearForm
∀ {R : Type u_1} {M₁ : Type u_6} {M₂ : Type u_7} {n : Type u_11} {m : Type u_12} [inst : CommRing R] [inst_1 : DecidableEq m] [inst_2 : Fintype m] [inst_3 : DecidableEq n] [inst_4 : Fintype n] {M : Matrix m n R} [inst_5 : AddCommMonoid M₁] [inst_6 : Module R M₁] [inst_7 : AddCommMonoid M₂] [inst_8 : Module R M₂] (b₁ : Module.Basis m R M₁) (b₂ : Module.Basis n R M₂), ((Matrix.toLinearMap₂' R) M).SeparatingRight ↔ ((Matrix.toLinearMap₂ b₁ b₂) M).SeparatingRight
_private.Mathlib.Analysis.Complex.CanonicalDecomposition.0.Complex.meromorphicNFOn_canonicalFactor._proof_1_1
Mathlib.Analysis.Complex.CanonicalDecomposition
-1 < 0
ZFSet.image.match_1
Mathlib.SetTheory.ZFC.Basic
∀ (f : ZFSet.{u_1} → ZFSet.{u_1}) [inst : ZFSet.Definable₁ f] (x x_1 : PSet.{u_1}) (motive : (∃ z ∈ x, x_1.Equiv (ZFSet.Definable₁.out f z)) → Prop) (x_2 : ∃ z ∈ x, x_1.Equiv (ZFSet.Definable₁.out f z)), (∀ (w : PSet.{u_1}) (h1 : w ∈ x) (h2 : x_1.Equiv (ZFSet.Definable₁.out f w)), motive ⋯) → motive x_2
_private.Lean.Linter.ConstructorAsVariable.0.Lean.Linter.constructorNameAsVariable.match_16
Lean.Linter.ConstructorAsVariable
(motive : Lean.Name → Sort u_1) → (x : Lean.Name) → ((n : Lean.Name) → (s : String) → (h : n = Lean.Name.anonymous.str s) → motive (namedPattern n (Lean.Name.anonymous.str s) h)) → ((x : Lean.Name) → motive x) → motive x
_aux_Mathlib_Combinatorics_SimpleGraph_Basic___macroRules_aesop_graph_1
Mathlib.Combinatorics.SimpleGraph.Basic
Lean.Macro
_private.Mathlib.RingTheory.WittVector.InitTail.0.WittVector.init_sub._proof_1_6
Mathlib.RingTheory.WittVector.InitTail
∀ (n i : ℕ), i < n → ∀ k < i + 1, k < n
_private.Lean.Elab.Inductive.0.Lean.Elab.Command.inductiveSyntaxToView
Lean.Elab.Inductive
Lean.Elab.Modifiers → Lean.Syntax → Bool → Lean.Elab.TermElabM Lean.Elab.Command.InductiveView
PadicInt.unitCoeff_spec
Mathlib.NumberTheory.Padics.PadicIntegers
∀ {p : ℕ} [hp : Fact (Nat.Prime p)] {x : ℤ_[p]} (hx : x ≠ 0), x = ↑(PadicInt.unitCoeff hx) * ↑p ^ x.valuation
IsManifold.subset_maximalAtlas
Mathlib.Geometry.Manifold.IsManifold.Basic
∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {E : Type u_2} [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace 𝕜 E] {H : Type u_3} [inst_3 : TopologicalSpace H] {I : ModelWithCorners 𝕜 E H} {n : WithTop ℕ∞} {M : Type u_4} [inst_4 : TopologicalSpace M] [inst_5 : ChartedSpace H M] [IsManifold I n M], atlas H M ⊆ IsManifold.maximalAtlas I n M
ULift.instLinearOrder
Mathlib.Order.Lattice
{α : Type u} → [LinearOrder α] → LinearOrder (ULift.{v, u} α)
CategoryTheory.Grp.forget₂Mon_map_hom
Mathlib.CategoryTheory.Monoidal.Grp_
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.CartesianMonoidalCategory C] {A B : CategoryTheory.Grp C} (f : A ⟶ B), ((CategoryTheory.Grp.forget₂Mon C).map f).hom = f.hom.hom
pos_of_right_mul_lt_le
Mathlib.Algebra.Order.Ring.Unbundled.Basic
∀ {R : Type u} [inst : Semiring R] [inst_1 : LinearOrder R] {a b c : R} [ExistsAddOfLE R] [PosMulMono R] [AddRightMono R] [AddRightReflectLE R], a * b < a * c → b ≤ c → 0 < a
_private.Mathlib.NumberTheory.BernoulliPolynomials.0.Polynomial.sum_bernoulli._simp_1_4
Mathlib.NumberTheory.BernoulliPolynomials
∀ {M : Type u_4} [inst : AddMonoid M] [IsLeftCancelAdd M] {a b : M}, (a + b = a) = (b = 0)
_private.Mathlib.NumberTheory.Transcendental.Liouville.Residual.0.setOf_liouville_eq_iInter_iUnion._simp_1_1
Mathlib.NumberTheory.Transcendental.Liouville.Residual
∀ {α : Type u} {ι : Sort v} {x : α} {s : ι → Set α}, (x ∈ ⋂ i, s i) = ∀ (i : ι), x ∈ s i
List.getElem_of_append
Init.Data.List.Lemmas
∀ {α : Type u_1} {l₁ : List α} {a : α} {l₂ : List α} {i : ℕ} {l : List α} (eq : l = l₁ ++ a :: l₂) (h : l₁.length = i), l[i] = a
ZMod.χ₈'._proof_1
Mathlib.NumberTheory.LegendreSymbol.ZModChar
(match 1 with | 0 => 0 | 2 => 0 | 4 => 0 | 6 => 0 | 1 => 1 | 3 => 1 | 5 => -1 | 7 => -1) = match 1 with | 0 => 0 | 2 => 0 | 4 => 0 | 6 => 0 | 1 => 1 | 3 => 1 | 5 => -1 | 7 => -1
AlgebraicGeometry.Scheme.affineOpenCoverOfSpanRangeEqTop
Mathlib.AlgebraicGeometry.Cover.Open
{R : CommRingCat} → {ι : Type u_1} → (s : ι → ↑R) → Ideal.span (Set.range s) = ⊤ → (AlgebraicGeometry.Spec R).AffineOpenCover
Lean.Meta.Grind.Arith.CommRing.SemiringM.Context.rec
Lean.Meta.Tactic.Grind.Arith.CommRing.SemiringM
{motive : Lean.Meta.Grind.Arith.CommRing.SemiringM.Context → Sort u} → ((semiringId : ℕ) → motive { semiringId := semiringId }) → (t : Lean.Meta.Grind.Arith.CommRing.SemiringM.Context) → motive t
Batteries.PairingHeapImp.Heap.toArray
Batteries.Data.PairingHeap
{α : Type u_1} → (α → α → Bool) → Batteries.PairingHeapImp.Heap α → Array α
CategoryTheory.nerve.edgeMk_id
Mathlib.AlgebraicTopology.SimplicialSet.Nerve
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (x : C), CategoryTheory.nerve.edgeMk (CategoryTheory.CategoryStruct.id x) = SSet.Edge.id (CategoryTheory.nerveEquiv.symm x)
Submodule.orthogonalProjection._proof_4
Mathlib.Analysis.InnerProductSpace.Projection.Basic
∀ {𝕜 : Type u_2} {E : Type u_1} [inst : RCLike 𝕜] [inst_1 : NormedAddCommGroup E] [inst_2 : InnerProductSpace 𝕜 E] (K : Submodule 𝕜 E) [inst_3 : K.HasOrthogonalProjection] (x : E), ‖{ toFun := fun v => ⟨K.orthogonalProjectionFn v, ⋯⟩, map_add' := ⋯, map_smul' := ⋯ } x‖ ≤ 1 * ‖x‖
Lean.Lsp.WorkspaceEditClientCapabilities.noConfusion
Lean.Data.Lsp.Capabilities
{P : Sort u} → {t t' : Lean.Lsp.WorkspaceEditClientCapabilities} → t = t' → Lean.Lsp.WorkspaceEditClientCapabilities.noConfusionType P t t'
_private.Mathlib.Algebra.Homology.ShortComplex.Homology.0.CategoryTheory.ShortComplex.isIso_homologyMap_of_isIso_cyclesMap_of_epi.match_1_2
Mathlib.Algebra.Homology.ShortComplex.Homology
∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] {S₁ S₂ : CategoryTheory.ShortComplex C} {φ : S₁ ⟶ S₂} [inst_2 : S₁.HasHomology] [inst_3 : S₂.HasHomology] (h₁ : CategoryTheory.IsIso (CategoryTheory.ShortComplex.cyclesMap φ)) (motive : { l // CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.Cofork.π (CategoryTheory.Limits.CokernelCofork.ofπ S₂.homologyπ ⋯)) l = CategoryTheory.CategoryStruct.comp (CategoryTheory.inv (CategoryTheory.ShortComplex.cyclesMap φ)) S₁.homologyπ } → Prop) (x : { l // CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.Cofork.π (CategoryTheory.Limits.CokernelCofork.ofπ S₂.homologyπ ⋯)) l = CategoryTheory.CategoryStruct.comp (CategoryTheory.inv (CategoryTheory.ShortComplex.cyclesMap φ)) S₁.homologyπ }), (∀ (z : (CategoryTheory.Limits.CokernelCofork.ofπ S₂.homologyπ ⋯).pt ⟶ S₁.homology) (hz : CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.Cofork.π (CategoryTheory.Limits.CokernelCofork.ofπ S₂.homologyπ ⋯)) z = CategoryTheory.CategoryStruct.comp (CategoryTheory.inv (CategoryTheory.ShortComplex.cyclesMap φ)) S₁.homologyπ), motive ⟨z, hz⟩) → motive x
CategoryTheory.MonoidalCategory.prodMonoidal._proof_21
Mathlib.CategoryTheory.Monoidal.Category
∀ (C₁ : Type u_1) [inst : CategoryTheory.Category.{u_3, u_1} C₁] [inst_1 : CategoryTheory.MonoidalCategory C₁] (C₂ : Type u_2) [inst_2 : CategoryTheory.Category.{u_4, u_2} C₂] [inst_3 : CategoryTheory.MonoidalCategory C₂] (X Y : C₁ × C₂), CategoryTheory.CategoryStruct.comp ((CategoryTheory.MonoidalCategoryStruct.associator X.1 (CategoryTheory.MonoidalCategoryStruct.tensorUnit C₁, CategoryTheory.MonoidalCategoryStruct.tensorUnit C₂).1 Y.1).prod (CategoryTheory.MonoidalCategoryStruct.associator X.2 (CategoryTheory.MonoidalCategoryStruct.tensorUnit C₁, CategoryTheory.MonoidalCategoryStruct.tensorUnit C₂).2 Y.2)).hom (CategoryTheory.Prod.mkHom (CategoryTheory.MonoidalCategoryStruct.whiskerLeft X.1 (match Y with | (X₁, X₂) => (CategoryTheory.MonoidalCategoryStruct.leftUnitor X₁).prod (CategoryTheory.MonoidalCategoryStruct.leftUnitor X₂)).hom.1) (CategoryTheory.MonoidalCategoryStruct.whiskerLeft X.2 (match Y with | (X₁, X₂) => (CategoryTheory.MonoidalCategoryStruct.leftUnitor X₁).prod (CategoryTheory.MonoidalCategoryStruct.leftUnitor X₂)).hom.2)) = CategoryTheory.Prod.mkHom (CategoryTheory.MonoidalCategoryStruct.whiskerRight (match X with | (X₁, X₂) => (CategoryTheory.MonoidalCategoryStruct.rightUnitor X₁).prod (CategoryTheory.MonoidalCategoryStruct.rightUnitor X₂)).hom.1 Y.1) (CategoryTheory.MonoidalCategoryStruct.whiskerRight (match X with | (X₁, X₂) => (CategoryTheory.MonoidalCategoryStruct.rightUnitor X₁).prod (CategoryTheory.MonoidalCategoryStruct.rightUnitor X₂)).hom.2 Y.2)
_private.Batteries.Data.Array.Lemmas.0.Array.extract_append_of_size_left_le_start._proof_1_2
Batteries.Data.Array.Lemmas
∀ {α : Type u_1} {i j : ℕ} {a b : Array α} (i_1 : ℕ), i_1 + 1 ≤ (b.extract (i - a.size) (j - a.size)).size → i_1 < (b.extract (i - a.size) (j - a.size)).size
CompletePartialOrder.noConfusionType
Mathlib.Order.CompletePartialOrder
Sort u → {α : Type u_4} → CompletePartialOrder α → {α' : Type u_4} → CompletePartialOrder α' → Sort u
Option.pfilter_eq_some_iff
Init.Data.Option.Lemmas
∀ {α : Type u_1} {o : Option α} {p : (a : α) → o = some a → Bool} {a : α}, o.pfilter p = some a ↔ ∃ (ha : o = some a), p a ha = true
Affine.Simplex.reflectionCircumcenterWeightsWithCircumcenter.eq_1
Mathlib.Geometry.Euclidean.Circumcenter
∀ {n : ℕ} (i₁ i₂ a : Fin (n + 1)), Affine.Simplex.reflectionCircumcenterWeightsWithCircumcenter i₁ i₂ (Affine.Simplex.PointsWithCircumcenterIndex.pointIndex a) = if a = i₁ ∨ a = i₂ then 1 else 0
_private.Init.Data.Range.Basic.0.Std.Legacy.Range.forIn'.loop._unary._proof_7
Init.Data.Range.Basic
∀ (range : Std.Legacy.Range) (i : ℕ), autoParam (range.start ≤ i) Std.Legacy.Range.forIn'._auto_1✝ → 0 < range.step → range.start ≤ i + range.step
Module.FaithfullyFlat.trans
Mathlib.RingTheory.Flat.FaithfullyFlat.Basic
∀ (R : Type u_1) [inst : CommRing R] (S : Type u_2) [inst_1 : CommRing S] [inst_2 : Algebra R S] (M : Type u_3) [inst_3 : AddCommGroup M] [inst_4 : Module R M] [inst_5 : Module S M] [IsScalarTower R S M] [Module.FaithfullyFlat R S] [Module.FaithfullyFlat S M], Module.FaithfullyFlat R M
_private.Mathlib.ModelTheory.Semantics.0.FirstOrder.Language.BoundedFormula.restrictFreeVar.match_1.eq_5
Mathlib.ModelTheory.Semantics
∀ {L : FirstOrder.Language} {α : Type u_3} {β : Type u_5} [inst : DecidableEq α] (motive : (x : ℕ) → (x_1 : L.BoundedFormula α x) → (↥x_1.freeVarFinset → β) → Sort u_4) (_n : ℕ) (φ : L.BoundedFormula α (_n + 1)) (f : ↥φ.all.freeVarFinset → β) (h_1 : (_n : ℕ) → (_f : ↥FirstOrder.Language.BoundedFormula.falsum.freeVarFinset → β) → motive _n FirstOrder.Language.BoundedFormula.falsum _f) (h_2 : (_n : ℕ) → (t₁ t₂ : L.Term (α ⊕ Fin _n)) → (f : ↥(FirstOrder.Language.BoundedFormula.equal t₁ t₂).freeVarFinset → β) → motive _n (FirstOrder.Language.BoundedFormula.equal t₁ t₂) f) (h_3 : (_n l : ℕ) → (R : L.Relations l) → (ts : Fin l → L.Term (α ⊕ Fin _n)) → (f : ↥(FirstOrder.Language.BoundedFormula.rel R ts).freeVarFinset → β) → motive _n (FirstOrder.Language.BoundedFormula.rel R ts) f) (h_4 : (_n : ℕ) → (φ₁ φ₂ : L.BoundedFormula α _n) → (f : ↥(φ₁.imp φ₂).freeVarFinset → β) → motive _n (φ₁.imp φ₂) f) (h_5 : (_n : ℕ) → (φ : L.BoundedFormula α (_n + 1)) → (f : ↥φ.all.freeVarFinset → β) → motive _n φ.all f), (match _n, φ.all, f with | _n, FirstOrder.Language.BoundedFormula.falsum, _f => h_1 _n _f | _n, FirstOrder.Language.BoundedFormula.equal t₁ t₂, f => h_2 _n t₁ t₂ f | _n, FirstOrder.Language.BoundedFormula.rel R ts, f => h_3 _n l R ts f | _n, φ₁.imp φ₂, f => h_4 _n φ₁ φ₂ f | _n, φ.all, f => h_5 _n φ f) = h_5 _n φ f
ArchimedeanClass.mem_closedBallAddSubgroup_iff
Mathlib.Algebra.Order.Archimedean.Class
∀ {M : Type u_1} [inst : AddCommGroup M] [inst_1 : LinearOrder M] [inst_2 : IsOrderedAddMonoid M] {a : M} {c : ArchimedeanClass M}, a ∈ c.closedBallAddSubgroup ↔ c ≤ ArchimedeanClass.mk a
ZeroHom.instAddCommGroup
Mathlib.Algebra.Group.Hom.Instances
{M : Type uM} → {N : Type uN} → [inst : Zero M] → [inst_1 : AddCommGroup N] → AddCommGroup (ZeroHom M N)
ExteriorAlgebra.ι_eq_algebraMap_iff._simp_1
Mathlib.LinearAlgebra.ExteriorAlgebra.Basic
∀ {R : Type u1} [inst : CommRing R] {M : Type u2} [inst_1 : AddCommGroup M] [inst_2 : Module R M] (x : M) (r : R), ((ExteriorAlgebra.ι R) x = (algebraMap R (ExteriorAlgebra R M)) r) = (x = 0 ∧ r = 0)
Lean.Elab.Tactic.Do.ProofMode.TypeList.mkType
Lean.Elab.Tactic.Do.ProofMode.MGoal
Lean.Level → Lean.Expr
_private.Mathlib.Tactic.ErwQuestion.0.Mathlib.Tactic.Erw?._aux_Mathlib_Tactic_ErwQuestion___elabRules_Mathlib_Tactic_Erw?_erw?_1.match_3
Mathlib.Tactic.ErwQuestion
(motive : Lean.Expr × Lean.Expr → Sort u_1) → (__discr : Lean.Expr × Lean.Expr) → ((tgt inferred : Lean.Expr) → motive (tgt, inferred)) → motive __discr
Set.instLawfulMonad
Mathlib.Data.Set.Functor
LawfulMonad Set
Std.TreeSet.instInsert
Std.Data.TreeSet.Basic
{α : Type u} → {cmp : α → α → Ordering} → Insert α (Std.TreeSet α cmp)
NonnegHomClass.casesOn
Mathlib.Algebra.Order.Hom.Basic
{F : Type u_7} → {α : Type u_8} → {β : Type u_9} → [inst : Zero β] → [inst_1 : LE β] → [inst_2 : FunLike F α β] → {motive : NonnegHomClass F α β → Sort u} → (t : NonnegHomClass F α β) → ((apply_nonneg : ∀ (f : F) (a : α), 0 ≤ f a) → motive ⋯) → motive t
Subgroup.coe_toSubmonoid
Mathlib.Algebra.Group.Subgroup.Defs
∀ {G : Type u_1} [inst : Group G] (K : Subgroup G), ↑K.toSubmonoid = ↑K
Nat.primeFactorsList_sublist_of_dvd
Mathlib.Data.Nat.Factors
∀ {n k : ℕ}, n ∣ k → k ≠ 0 → n.primeFactorsList.Sublist k.primeFactorsList
Lean.Elab.Do.MonadInfo.noConfusion
Lean.Elab.Do.Basic
{P : Sort u} → {t t' : Lean.Elab.Do.MonadInfo} → t = t' → Lean.Elab.Do.MonadInfo.noConfusionType P t t'
_private.Batteries.Data.List.Lemmas.0.List.findIdxs_take._proof_1_3
Batteries.Data.List.Lemmas
∀ {α : Type u_1} {p : α → Bool} (head : α) (tail : List α) {s : ℕ}, List.findIdxs p (List.take 0 (head :: tail)) s = List.take (List.countP p (List.take 0 (head :: tail))) (List.findIdxs p (head :: tail) s)
Mathlib.Meta.FunProp.Mor.getAppArgs
Mathlib.Tactic.FunProp.Mor
Lean.Expr → Lean.MetaM (Array Mathlib.Meta.FunProp.Mor.Arg)
LinearOrderedAddCommGroup.isAddCyclic_iff_nonempty_equiv_int
Mathlib.GroupTheory.SpecificGroups.Cyclic
∀ {A : Type u_4} [inst : AddCommGroup A] [inst_1 : LinearOrder A] [IsOrderedAddMonoid A] [Nontrivial A], IsAddCyclic A ↔ Nonempty (A ≃+o ℤ)
Set.InjOn.ne_iff
Mathlib.Data.Set.Function
∀ {α : Type u_1} {β : Type u_2} {s : Set α} {f : α → β} {x y : α}, Set.InjOn f s → x ∈ s → y ∈ s → (f x ≠ f y ↔ x ≠ y)
Polynomial.instEuclideanDomain
Mathlib.Algebra.Polynomial.FieldDivision
{R : Type u} → [inst : Field R] → EuclideanDomain (Polynomial R)
_private.Lean.Meta.Tactic.Simp.BuiltinSimprocs.Nat.0._regBuiltin.Nat.reduceAnd.declare_56._@.Lean.Meta.Tactic.Simp.BuiltinSimprocs.Nat.1489869653._hygCtx._hyg.19
Lean.Meta.Tactic.Simp.BuiltinSimprocs.Nat
IO Unit
Lean.Meta.RecursorUnivLevelPos.majorType.injEq
Lean.Meta.RecursorInfo
∀ (idx idx_1 : ℕ), (Lean.Meta.RecursorUnivLevelPos.majorType idx = Lean.Meta.RecursorUnivLevelPos.majorType idx_1) = (idx = idx_1)
StarAlgHom.copy._proof_3
Mathlib.Algebra.Star.StarAlgHom
∀ {R : Type u_3} {A : Type u_2} {B : Type u_1} [inst : CommSemiring R] [inst_1 : Semiring A] [inst_2 : Algebra R A] [inst_3 : Star A] [inst_4 : Semiring B] [inst_5 : Algebra R B] [inst_6 : Star B] (f : A →⋆ₐ[R] B) (f' : A → B), f' = ⇑f → f' 0 = 0
Lean.Elab.Term.Do.Code.reassign.inj
Lean.Elab.Do.Legacy
∀ {xs : Array Lean.Elab.Term.Do.Var} {doElem : Lean.Syntax} {k : Lean.Elab.Term.Do.Code} {xs_1 : Array Lean.Elab.Term.Do.Var} {doElem_1 : Lean.Syntax} {k_1 : Lean.Elab.Term.Do.Code}, Lean.Elab.Term.Do.Code.reassign xs doElem k = Lean.Elab.Term.Do.Code.reassign xs_1 doElem_1 k_1 → xs = xs_1 ∧ doElem = doElem_1 ∧ k = k_1
Std.DTreeMap.Internal.Impl.ExplorationStep.lt.injEq
Std.Data.DTreeMap.Internal.Model
∀ {α : Type u} {β : α → Type v} [inst : Ord α] {k : α → Ordering} (a : α) (a_1 : k a = Ordering.lt) (a_2 : β a) (a_3 : List ((a : α) × β a)) (a_4 : α) (a_5 : k a_4 = Ordering.lt) (a_6 : β a_4) (a_7 : List ((a : α) × β a)), (Std.DTreeMap.Internal.Impl.ExplorationStep.lt a a_1 a_2 a_3 = Std.DTreeMap.Internal.Impl.ExplorationStep.lt a_4 a_5 a_6 a_7) = (a = a_4 ∧ a_2 ≍ a_6 ∧ a_3 = a_7)
IsOrderedAddMonoid.toIsOrderedCancelAddMonoid
Mathlib.Algebra.Order.Group.Defs
∀ {α : Type u} [inst : AddCommGroup α] [inst_1 : Preorder α] [IsOrderedAddMonoid α], IsOrderedCancelAddMonoid α
Std.Format.nest.elim
Init.Data.Format.Basic
{motive : Std.Format → Sort u} → (t : Std.Format) → t.ctorIdx = 4 → ((indent : ℤ) → (f : Std.Format) → motive (Std.Format.nest indent f)) → motive t
Denumerable.ofEncodableOfInfinite._proof_1
Mathlib.Logic.Denumerable
∀ (α : Type u_1) [inst : Encodable α] [Infinite α], Infinite ↑(Set.range Encodable.encode)
Std.DTreeMap.Raw.partition.eq_1
Std.Data.DTreeMap.Raw.WF
∀ {α : Type u} {β : α → Type v} {cmp : α → α → Ordering} (f : (a : α) → β a → Bool) (t : Std.DTreeMap.Raw α β cmp), Std.DTreeMap.Raw.partition f t = Std.DTreeMap.Raw.foldl (fun x a b => match x with | (l, r) => if f a b = true then (l.insert a b, r) else (l, r.insert a b)) (∅, ∅) t
InnerProductSpace.gramSchmidt_ne_zero_coe
Mathlib.Analysis.InnerProductSpace.GramSchmidtOrtho
∀ {𝕜 : Type u_1} {E : Type u_2} [inst : RCLike 𝕜] [inst_1 : NormedAddCommGroup E] [inst_2 : InnerProductSpace 𝕜 E] {ι : Type u_3} [inst_3 : LinearOrder ι] [inst_4 : LocallyFiniteOrderBot ι] [inst_5 : WellFoundedLT ι] {f : ι → E} (n : ι), LinearIndependent 𝕜 (f ∘ Subtype.val) → InnerProductSpace.gramSchmidt 𝕜 f n ≠ 0
Affine.Simplex.circumcenter_eq_affineCombination_of_pointsWithCircumcenter
Mathlib.Geometry.Euclidean.Circumcenter
∀ {V : Type u_1} {P : Type u_2} [inst : NormedAddCommGroup V] [inst_1 : InnerProductSpace ℝ V] [inst_2 : MetricSpace P] [inst_3 : NormedAddTorsor V P] {n : ℕ} (s : Affine.Simplex ℝ P n), s.circumcenter = (Finset.affineCombination ℝ Finset.univ s.pointsWithCircumcenter) (Affine.Simplex.circumcenterWeightsWithCircumcenter n)
cfcₙ_neg
Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital
∀ {R : Type u_1} {A : Type u_2} {p : A → Prop} [inst : CommRing R] [inst_1 : Nontrivial R] [inst_2 : StarRing R] [inst_3 : MetricSpace R] [inst_4 : IsTopologicalRing R] [inst_5 : ContinuousStar R] [inst_6 : TopologicalSpace A] [inst_7 : NonUnitalRing A] [inst_8 : StarRing A] [inst_9 : Module R A] [inst_10 : IsScalarTower R A A] [inst_11 : SMulCommClass R A A] [inst_12 : NonUnitalContinuousFunctionalCalculus R A p] (f : R → R) (a : A), cfcₙ (fun x => -f x) a = -cfcₙ f a
Set.notMem_of_notMem_sUnion
Mathlib.Data.Set.Lattice
∀ {α : Type u_1} {x : α} {t : Set α} {S : Set (Set α)}, x ∉ ⋃₀ S → t ∈ S → x ∉ t
CategoryTheory.Limits.HasCountableLimits.recOn
Mathlib.CategoryTheory.Limits.Shapes.Countable
{C : Type u_1} → [inst : CategoryTheory.Category.{v_1, u_1} C] → {motive : CategoryTheory.Limits.HasCountableLimits C → Sort u} → (t : CategoryTheory.Limits.HasCountableLimits C) → ((out : ∀ (J : Type) [inst_1 : CategoryTheory.SmallCategory J] [CategoryTheory.CountableCategory J], CategoryTheory.Limits.HasLimitsOfShape J C) → motive ⋯) → motive t
USize.and_le_left
Init.Data.UInt.Bitwise
∀ {a b : USize}, a &&& b ≤ a
Cycle.support_formPerm
Mathlib.GroupTheory.Perm.Cycle.Concrete
∀ {α : Type u_1} [inst : DecidableEq α] [inst_1 : Fintype α] (s : Cycle α) (h : s.Nodup), s.Nontrivial → (s.formPerm h).support = s.toFinset
right_iff_ite_iff
Init.PropLemmas
∀ {p : Prop} [inst : Decidable p] {x y : Prop}, (y ↔ if p then x else y) ↔ p → y = x
CategoryTheory.TwistShiftData.z_zero_right
Mathlib.CategoryTheory.Shift.Twist
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {A : Type w} [inst_1 : AddMonoid A] [inst_2 : CategoryTheory.HasShift C A] (t : CategoryTheory.TwistShiftData C A) (a : A), t.z a 0 = 1
exists_smooth_forall_mem_convex_of_local_const
Mathlib.Geometry.Manifold.PartitionOfUnity
∀ {E : Type uE} [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] {F : Type uF} [inst_2 : NormedAddCommGroup F] [inst_3 : NormedSpace ℝ F] {H : Type uH} [inst_4 : TopologicalSpace H] (I : ModelWithCorners ℝ E H) {M : Type uM} [inst_5 : TopologicalSpace M] [inst_6 : ChartedSpace H M] [FiniteDimensional ℝ E] [IsManifold I (↑⊤) M] [SigmaCompactSpace M] [T2Space M] {t : M → Set F} {n : ℕ∞}, (∀ (x : M), Convex ℝ (t x)) → (∀ (x : M), ∃ c, ∀ᶠ (y : M) in nhds x, c ∈ t y) → ∃ g, ∀ (x : M), g x ∈ t x
isPreconnected_iff_subset_of_fully_disjoint_closed
Mathlib.Topology.Connected.Clopen
∀ {α : Type u} [inst : TopologicalSpace α] {s : Set α}, IsClosed s → (IsPreconnected s ↔ ∀ (u v : Set α), IsClosed u → IsClosed v → s ⊆ u ∪ v → Disjoint u v → s ⊆ u ∨ s ⊆ v)
Submodule.rank_quotient_add_rank
Mathlib.LinearAlgebra.Dimension.RankNullity
∀ {R : Type u_1} {M : Type u} [inst : Ring R] [inst_1 : AddCommGroup M] [inst_2 : Module R M] [HasRankNullity.{u, u_1} R] (N : Submodule R M), Module.rank R (M ⧸ N) + Module.rank R ↥N = Module.rank R M
FundamentalGroup.map
Mathlib.AlgebraicTopology.FundamentalGroupoid.FundamentalGroup
{X : Type u_1} → {Y : Type u_2} → [inst : TopologicalSpace X] → [inst_1 : TopologicalSpace Y] → (f : C(X, Y)) → (x : X) → FundamentalGroup X x →* FundamentalGroup Y (f x)
_private.Mathlib.Topology.MetricSpace.Thickening.0.Metric.eventually_notMem_cthickening_of_infEDist_pos._simp_1_2
Mathlib.Topology.MetricSpace.Thickening
∀ {α : Type u_1} [inst : LinearOrder α] {a b : α}, (¬a ≤ b) = (b < a)
Lean.Meta.Grind.MBTC.Context.mk.noConfusion
Lean.Meta.Tactic.Grind.MBTC
{P : Sort u} → {isInterpreted hasTheoryVar : Lean.Expr → Lean.Meta.Grind.GoalM Bool} → {eqAssignment : Lean.Expr → Lean.Expr → Lean.Meta.Grind.GoalM Bool} → {isInterpreted' hasTheoryVar' : Lean.Expr → Lean.Meta.Grind.GoalM Bool} → {eqAssignment' : Lean.Expr → Lean.Expr → Lean.Meta.Grind.GoalM Bool} → { isInterpreted := isInterpreted, hasTheoryVar := hasTheoryVar, eqAssignment := eqAssignment } = { isInterpreted := isInterpreted', hasTheoryVar := hasTheoryVar', eqAssignment := eqAssignment' } → (isInterpreted = isInterpreted' → hasTheoryVar = hasTheoryVar' → eqAssignment = eqAssignment' → P) → P
Submonoid.LocalizationMap.mk'_eq_zero_iff
Mathlib.GroupTheory.MonoidLocalization.MonoidWithZero
∀ {M : Type u_1} [inst : CommMonoidWithZero M] {S : Submonoid M} {N : Type u_2} [inst_1 : CommMonoidWithZero N] (f : S.LocalizationMap N) (m : M) (s : ↥S), f.mk' m s = 0 ↔ ∃ s, ↑s * m = 0
_private.Mathlib.RingTheory.Ideal.Operations.0.Submodule.smul_le_span._simp_1_1
Mathlib.RingTheory.Ideal.Operations
∀ {R : Type u_1} [inst : CommSemiring R] (s : Set R), Ideal.span s = s • ⊤
Encodable.chooseX.match_1
Mathlib.Logic.Encodable.Basic
∀ {α : Type u_1} {p : α → Prop} (motive : (∃ x, p x) → Prop) (h : ∃ x, p x), (∀ (w : α) (pw : p w), motive ⋯) → motive h
_private.Mathlib.Combinatorics.SimpleGraph.Prod.0.SimpleGraph.reachable_boxProd.match_1_3
Mathlib.Combinatorics.SimpleGraph.Prod
∀ {α : Type u_1} {β : Type u_2} {G : SimpleGraph α} {H : SimpleGraph β} {x y : α × β} (motive : G.Reachable x.1 y.1 ∧ H.Reachable x.2 y.2 → Prop) (h : G.Reachable x.1 y.1 ∧ H.Reachable x.2 y.2), (∀ (w₁ : G.Walk x.1 y.1) (w₂ : H.Walk x.2 y.2), motive ⋯) → motive h
PrimeSpectrum.BasicConstructibleSetData.recOn
Mathlib.RingTheory.Spectrum.Prime.ConstructibleSet
{R : Type u_1} → {motive : PrimeSpectrum.BasicConstructibleSetData R → Sort u} → (t : PrimeSpectrum.BasicConstructibleSetData R) → ((f : R) → (n : ℕ) → (g : Fin n → R) → motive { f := f, n := n, g := g }) → motive t
PolynomialLaw.toFun'_eq_of_inclusion
Mathlib.RingTheory.PolynomialLaw.Basic
∀ {R : Type u} [inst : CommSemiring R] {M : Type u_1} [inst_1 : AddCommMonoid M] [inst_2 : Module R M] {N : Type u_2} [inst_3 : AddCommMonoid N] [inst_4 : Module R N] {S : Type v} [inst_5 : CommSemiring S] [inst_6 : Algebra R S] (f : M →ₚₗ[R] N) {A : Type u} [inst_7 : CommSemiring A] [inst_8 : Algebra R A] {φ : A →ₐ[R] S} (p : TensorProduct R A M) {B : Type u} [inst_9 : CommSemiring B] [inst_10 : Algebra R B] (q : TensorProduct R B M) {ψ : B →ₐ[R] S} (h : φ.range ≤ ψ.range), (LinearMap.rTensor M ((Subalgebra.inclusion h).comp φ.rangeRestrict).toLinearMap) p = (LinearMap.rTensor M ψ.rangeRestrict.toLinearMap) q → (LinearMap.rTensor N φ.toLinearMap) (f.toFun' A p) = (LinearMap.rTensor N ψ.toLinearMap) (f.toFun' B q)
List.SublistForall₂.recOn
Mathlib.Data.List.Forall2
∀ {α : Type u_1} {β : Type u_2} {R : α → β → Prop} {motive : (a : List α) → (a_1 : List β) → List.SublistForall₂ R a a_1 → Prop} {a : List α} {a_1 : List β} (t : List.SublistForall₂ R a a_1), (∀ {l : List β}, motive [] l ⋯) → (∀ {a₁ : α} {a₂ : β} {l₁ : List α} {l₂ : List β} (a : R a₁ a₂) (a_2 : List.SublistForall₂ R l₁ l₂), motive l₁ l₂ a_2 → motive (a₁ :: l₁) (a₂ :: l₂) ⋯) → (∀ {a : β} {l₁ : List α} {l₂ : List β} (a_2 : List.SublistForall₂ R l₁ l₂), motive l₁ l₂ a_2 → motive l₁ (a :: l₂) ⋯) → motive a a_1 t