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Step * of Lemma geo-interior-point_wf

∀[e:EuclideanPlane]. ∀[a,b,c,d:Point].  (I(abc;d) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[e:EuclideanPlane].  \mforall{}[a,b,c,d:Point].    (I(abc;d)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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