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Step * of Lemma nil_member

∀[T:Type]. ∀x:T. ((x ∈ []) ⇐⇒ False)
BY
{ ((Unfold `l_member` 0 THEN Auto) THEN All Reduce THEN ExRepD THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}x:T.  ((x  \mmember{}  [])  \mLeftarrow{}{}\mRightarrow{}  False)


By

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Latex:
((Unfold  `l\_member`  0  THEN  Auto)  THEN  All  Reduce  THEN  ExRepD  THEN  Auto)

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