Step
*
of Lemma
cube-set-map-subtype
∀[A,B:CubicalSet]. (A ⟶ B ⊆r (I:(Cname List) ⟶ A(I) ⟶ B(I)))
BY
{ xxx(Intros THEN (D 0 THENA Auto) THEN D -1 THEN Thin (-1))xxx }
1
1. A : CubicalSet
2. B : CubicalSet
3. x : A@0:cat-ob(NameCat) ⟶ (cat-arrow(TypeCat) (A A@0) (B A@0))
⊢ x ∈ I:(Cname List) ⟶ A(I) ⟶ B(I)
Latex:
Latex:
\mforall{}[A,B:CubicalSet]. (A {}\mrightarrow{} B \msubseteq{}r (I:(Cname List) {}\mrightarrow{} A(I) {}\mrightarrow{} B(I)))
By
Latex:
xxx(Intros THEN (D 0 THENA Auto) THEN D -1 THEN Thin (-1))xxx
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