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Step * of Lemma deq-member_wf

∀[A:Type]. ∀[eq:EqDecider(A)]. ∀[L:A List]. ∀[x:A].  (x ∈b L ∈ 𝔹)
BY
{ (Unfold `deq-member` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[eq:EqDecider(A)].  \mforall{}[L:A  List].  \mforall{}[x:A].    (x  \mmember{}\msubb{}  L  \mmember{}  \mBbbB{})


By

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Latex:
(Unfold  `deq-member`  0  THEN  Auto)

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