Step
*
of Lemma
req*_wf
∀[x,y:ℝ*].  (x = y ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[x,y:\mBbbR{}*].    (x  =  y  \mmember{}  \mBbbP{})
By
Latex:
ProveWfLemma
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