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Step * of Lemma seq-truncate-item

∀[T:Type]. ∀[s:sequence(T)]. ∀[n,i:Top].  (seq-truncate(s;n)[i] ~ s[i])
BY
{ (Intros THEN UseWitness ⌜Ax⌝⋅ THEN D 2 THEN RepUR ``seq-item seq-truncate`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[s:sequence(T)].  \mforall{}[n,i:Top].    (seq-truncate(s;n)[i]  \msim{}  s[i])


By

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Latex:
(Intros  THEN  UseWitness  \mkleeneopen{}Ax\mkleeneclose{}\mcdot{}  THEN  D  2  THEN  RepUR  ``seq-item  seq-truncate``  0  THEN  Auto)

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