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Step * of Lemma eu-out_wf

∀[e:EuclideanPlane]. ∀[p,a,b:Point].  (out(p ab) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[e:EuclideanPlane].  \mforall{}[p,a,b:Point].    (out(p  ab)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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