Step
*
1
1
1
1
1
1
2
2
of Lemma
cubical-interval-filler-fills
1. I : Cname List
2. v : nameset(I)
3. v1 : ℕ2
4. v@0 : name-morph(I-[v];[]) ⟶ ℕ2
5. x : name-morph(I-[v];[])
6. x1 : nameset(I-[v])
7. x1 ≠ v
⊢ if isname(x1) then x x1 else x1 fi = (x x1) ∈ extd-nameset([])
BY
{ (RWO "isname-nameset" 0 THEN Reduce 0 THEN Auto) }
Latex:
Latex:
1. I : Cname List
2. v : nameset(I)
3. v1 : \mBbbN{}2
4. v@0 : name-morph(I-[v];[]) {}\mrightarrow{} \mBbbN{}2
5. x : name-morph(I-[v];[])
6. x1 : nameset(I-[v])
7. x1 \mneq{} v
\mvdash{} if isname(x1) then x x1 else x1 fi = (x x1)
By
Latex:
(RWO "isname-nameset" 0 THEN Reduce 0 THEN Auto)
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