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Step * of Lemma rev_implies_weakening_rev_uimplies

∀[P,Q:ℙ].  (rev_uimplies(P;Q) ⇒ {P ⇐ Q})
BY
{ (Unfold `guard` 0 THEN Auto) }

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Latex:

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


By

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Latex:
(Unfold  `guard`  0  THEN  Auto)

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