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Step * of Lemma implies_weakening_uimplies

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

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Latex:

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Latex:
\mforall{}[P,Q:\mBbbP{}].    (Q  supposing  P  {}\mRightarrow{}  \{P  {}\mRightarrow{}  Q\})


By

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Latex:
(Unfold  `guard`  0  THEN  TACTIC:Auto)

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