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Step * of Lemma pm_equal_wf

∀[a,b:ℤ].  (a = ± b ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[a,b:\mBbbZ{}].    (a  =  \mpm{}  b  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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