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Step * of Lemma eu-le-pt_wf

∀[e:EuclideanStructure]. ∀[a,b,c,d:Point].  (eu-le-pt(e;a;b;c;d) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[e:EuclideanStructure].  \mforall{}[a,b,c,d:Point].    (eu-le-pt(e;a;b;c;d)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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