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Step * of Lemma rev_bimplies_wf

∀[p,q:𝔹].  (p ⇐b q ∈ 𝔹)
BY
{ ((InstLemma `bimplies_wf` [] THEN Unfold `uimplies` -1) THEN Unfold `rev_bimplies` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[p,q:\mBbbB{}].    (p  \mLeftarrow{}{}\msubb{}  q  \mmember{}  \mBbbB{})


By

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Latex:
((InstLemma  `bimplies\_wf`  []  THEN  Unfold  `uimplies`  -1)  THEN  Unfold  `rev\_bimplies`  0  THEN  Auto)

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