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Step * of Lemma distinct-triangles_wf

∀pg:ProjectivePlane. ∀t1,t2:pgeo-triangle(pg).  (distinct-triangles(pg;t1;t2) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}pg:ProjectivePlane.  \mforall{}t1,t2:pgeo-triangle(pg).    (distinct-triangles(pg;t1;t2)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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