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Step * of Lemma geo-lt-angle_wf

∀e:EuclideanPlane. ∀a,b,c,x,y,z:Point.  (abc < xyz ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}e:EuclideanPlane.  \mforall{}a,b,c,x,y,z:Point.    (abc  <  xyz  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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