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Step * of Lemma geo-parallel-points_wf

∀e:GeometryPrimitives. ∀a,b,c,d:Point.  (geo-parallel-points(e;a;b;c;d) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}e:GeometryPrimitives.  \mforall{}a,b,c,d:Point.    (geo-parallel-points(e;a;b;c;d)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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