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Step * of Lemma simp_lemma1

∀[P:ℙ]. (P supposing False ⇐⇒ True)
BY
{ Auto }

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Latex:

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Latex:
\mforall{}[P:\mBbbP{}].  (P  supposing  False  \mLeftarrow{}{}\mRightarrow{}  True)


By

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Latex:
Auto

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