Step
*
1
of Lemma
cc-snd-csm-adjoin
1. Gamma : CubicalSet
2. Delta : CubicalSet
3. A : {Gamma ⊢ _}
4. sigma : Delta ⟶ Gamma
5. u : I:(Cname List) ⟶ a:Delta(I) ⟶ ((fst((A)sigma)) I a)
6. ∀I,J:Cname List. ∀f:name-morph(I;J). ∀a:Delta(I).
let A,F = (A)sigma
in (F I J f a (u I a)) = (u J f(a)) ∈ (A J f(a))
⊢ u = (q)(sigma;u) ∈ (I:(Cname List) ⟶ a:Delta(I) ⟶ ((fst((A)sigma)) I a))
BY
{ TACTIC:(RepeatFor 2 ((Ext THENA Auto)) THEN Auto) }
Latex:
Latex:
1. Gamma : CubicalSet
2. Delta : CubicalSet
3. A : \{Gamma \mvdash{} \_\}
4. sigma : Delta {}\mrightarrow{} Gamma
5. u : I:(Cname List) {}\mrightarrow{} a:Delta(I) {}\mrightarrow{} ((fst((A)sigma)) I a)
6. \mforall{}I,J:Cname List. \mforall{}f:name-morph(I;J). \mforall{}a:Delta(I).
let A,F = (A)sigma
in (F I J f a (u I a)) = (u J f(a))
\mvdash{} u = (q)(sigma;u)
By
Latex:
TACTIC:(RepeatFor 2 ((Ext THENA Auto)) THEN Auto)
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