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Step * of Lemma cond-to-list_wf

∀[A:Type]. ∀[x:A?].  (?[x] ∈ A List)
BY
{ (Auto THEN Unfold `cond-to-list` 0 THEN (D (-1)) THEN Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[x:A?].    (?[x]  \mmember{}  A  List)


By

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Latex:
(Auto  THEN  Unfold  `cond-to-list`  0  THEN  (D  (-1))  THEN  Reduce  0  THEN  Auto)

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