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Step * of Lemma req_wf

∀[x,y:ℝ].  (x = y ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[x,y:\mBbbR{}].    (x  =  y  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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