Step * 1 of Lemma csm-contractible-type

.....assertion..... 
1. CubicalSet{j}
2. {X ⊢ _}
3. CubicalSet{j}
4. j⟶ X
⊢ (((A)s)p)p (A)s p ∈ {Z.(A)s.((A)s)p ⊢ _}
BY
(InstLemmaIJ `csm-ap-comp-type` [⌜X⌝;⌜Z⌝;⌜Z.(A)s⌝;⌜p⌝;⌜s⌝;⌜A⌝]⋅ THENA Auto) }

1
1. CubicalSet{j}
2. {X ⊢ _}
3. CubicalSet{j}
4. j⟶ X
5. (A)s ((A)s)p ∈ {Z.(A)s ⊢ _}
⊢ (((A)s)p)p (A)s p ∈ {Z.(A)s.((A)s)p ⊢ _}


Latex:


Latex:
.....assertion..... 
1.  X  :  CubicalSet\{j\}
2.  A  :  \{X  \mvdash{}  \_\}
3.  Z  :  CubicalSet\{j\}
4.  s  :  Z  j{}\mrightarrow{}  X
\mvdash{}  (((A)s)p)p  =  (A)s  o  p  o  p


By


Latex:
(InstLemmaIJ  `csm-ap-comp-type`  [\mkleeneopen{}X\mkleeneclose{};\mkleeneopen{}Z\mkleeneclose{};\mkleeneopen{}Z.(A)s\mkleeneclose{};\mkleeneopen{}p\mkleeneclose{};\mkleeneopen{}s\mkleeneclose{};\mkleeneopen{}A\mkleeneclose{}]\mcdot{}  THENA  Auto)




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