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Step * of Lemma geo-nontrivial_wf

∀[g:EuclideanPlaneStructure]. (geo-nontrivial(g) ∈ ∃a:Point. (∃b:{Point| a ≠ b}))
BY
{ (ProveWfLemma THEN DRecord 1 THEN Auto) }

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Latex:

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Latex:
\mforall{}[g:EuclideanPlaneStructure].  (geo-nontrivial(g)  \mmember{}  \mexists{}a:Point.  (\mexists{}b:\{Point|  a  \mneq{}  b\}))


By

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Latex:
(ProveWfLemma  THEN  DRecord  1  THEN  Auto)

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