Step
*
2
of Lemma
colength-cons-not-zero
.....wf.....
1. T : Type
2. v : T List
3. u : Top
⊢ istype((1 + colength(v)) = 0 ∈ ℕ)
BY
{ (GenConcl ⌜colength(v) = n ∈ ℕ⌝⋅ THEN Auto) }
Latex:
Latex:
.....wf.....
1. T : Type
2. v : T List
3. u : Top
\mvdash{} istype((1 + colength(v)) = 0)
By
Latex:
(GenConcl \mkleeneopen{}colength(v) = n\mkleeneclose{}\mcdot{} THEN Auto)
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