Step
*
of Lemma
seq-cons-item
∀[T:Type]. ∀[a:Top]. ∀[s:sequence(T)]. ∀[i:Top]. (seq-cons(a;s)[i] ~ if (i =z 0) then a else s[i - 1] fi )
BY
{ (Auto THEN D -2 THEN RepUR ``seq-cons seq-item`` 0 THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type]. \mforall{}[a:Top]. \mforall{}[s:sequence(T)]. \mforall{}[i:Top].
(seq-cons(a;s)[i] \msim{} if (i =\msubz{} 0) then a else s[i - 1] fi )
By
Latex:
(Auto THEN D -2 THEN RepUR ``seq-cons seq-item`` 0 THEN Auto)
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