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Step * of Lemma fseg_nil

∀[T:Type]. ∀L:T List. (fseg(T;L;[]) ⇐⇒ ↑null(L))
BY
{ (Unfold `fseg` 0 THEN ObviousListInduction) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}L:T  List.  (fseg(T;L;[])  \mLeftarrow{}{}\mRightarrow{}  \muparrow{}null(L))


By

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Latex:
(Unfold  `fseg`  0  THEN  ObviousListInduction)

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