Step
*
of Lemma
csm-cubical-pi
∀X,Delta:CubicalSet. ∀A:{X ⊢ _}. ∀B:{X.A ⊢ _}. ∀s:Delta ⟶ X. ((ΠA B)s = Delta ⊢ Π(A)s (B)(s o p;q) ∈ {Delta ⊢ _})
BY
{ (Auto
THEN (Assert ⌜(ΠA B)s
= Delta ⊢ Π(A)s (B)(s o p;q)
∈ (A:I:(Cname List) ⟶ Delta(I) ⟶ Type × (I:(Cname List)
⟶ J:(Cname List)
⟶ f:name-morph(I;J)
⟶ a:Delta(I)
⟶ (A I a)
⟶ (A J f(a))))⌝⋅
THENM (BLemma `cubical-type-equal` THEN Try (Complete (Auto)))
)
) }
1
.....assertion.....
1. X : CubicalSet
2. Delta : CubicalSet
3. A : {X ⊢ _}
4. B : {X.A ⊢ _}
5. s : Delta ⟶ X
⊢ (ΠA B)s
= Delta ⊢ Π(A)s (B)(s o p;q)
∈ (A:I:(Cname List) ⟶ Delta(I) ⟶ Type × (I:(Cname List)
⟶ J:(Cname List)
⟶ f:name-morph(I;J)
⟶ a:Delta(I)
⟶ (A I a)
⟶ (A J f(a))))
Latex:
Latex:
\mforall{}X,Delta:CubicalSet. \mforall{}A:\{X \mvdash{} \_\}. \mforall{}B:\{X.A \mvdash{} \_\}. \mforall{}s:Delta {}\mrightarrow{} X.
((\mPi{}A B)s = Delta \mvdash{} \mPi{}(A)s (B)(s o p;q))
By
Latex:
(Auto
THEN (Assert \mkleeneopen{}(\mPi{}A B)s = Delta \mvdash{} \mPi{}(A)s (B)(s o p;q)\mkleeneclose{}\mcdot{}
THENM (BLemma `cubical-type-equal` THEN Try (Complete (Auto)))
)
)
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