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Step * of Lemma pgeo-order_wf

∀pg:ProjectivePlane. ∀n:ℕ.  (order(pg) = n ∈ ℙ)
BY
{ ProveWfLemma⋅ }

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Latex:

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Latex:
\mforall{}pg:ProjectivePlane.  \mforall{}n:\mBbbN{}.    (order(pg)  =  n  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma\mcdot{}

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