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Step * of Lemma rev_uimplies_wf

∀[P,Q:ℙ].  (rev_uimplies(P;Q) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[P,Q:\mBbbP{}].    (rev\_uimplies(P;Q)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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