Step
*
of Lemma
A-fetch2_wf
∀[Val:Type]. ∀[n:ℕ]. ∀[AType:array{i:l}(Val;n)]. ∀[i:ℕn].  (A-fetch2(array-model(AType);i) ∈ A-map Val)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[Val:Type].  \mforall{}[n:\mBbbN{}].  \mforall{}[AType:array\{i:l\}(Val;n)].  \mforall{}[i:\mBbbN{}n].
    (A-fetch2(array-model(AType);i)  \mmember{}  A-map  Val)
By
Latex:
ProveWfLemma
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