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Step * of Lemma not_wf

∀[A:ℙ]. (¬A ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A:\mBbbP{}].  (\mneg{}A  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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