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Step * of Lemma pgeo-lsep-class_wf

∀[g:ProjectivePlane]. ∀[m,n:LineClass].  (pgeo-lsep-class(g;m;n) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[g:ProjectivePlane].  \mforall{}[m,n:LineClass].    (pgeo-lsep-class(g;m;n)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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