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Step * of Lemma stable_eu-between-eq

∀e:EuclideanPlane. ∀[a,b,c:Point].  Stable{a_b_c}
BY
{ (Auto THEN RWO "eu-between-eq-def" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}e:EuclideanPlane.  \mforall{}[a,b,c:Point].    Stable\{a\_b\_c\}


By

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Latex:
(Auto  THEN  RWO  "eu-between-eq-def"  0  THEN  Auto)

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