Step
*
of Lemma
Post5_wf
∀e:EuclideanPlane. (Post5(e) ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}e:EuclideanPlane.  (Post5(e)  \mmember{}  \mBbbP{})
By
Latex:
ProveWfLemma
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