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Step * of Lemma sublist-rec-nil-iff

∀[T:Type]. ∀[l:T List].  uiff(sublist-rec(T;[];l);True)
BY
{ (Auto THEN RecUnfold `sublist-rec` 0 THEN Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[l:T  List].    uiff(sublist-rec(T;[];l);True)


By

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Latex:
(Auto  THEN  RecUnfold  `sublist-rec`  0  THEN  Reduce  0  THEN  Auto)

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