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Step * of Lemma eu-between-implies-between-eq

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

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Latex:

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


By

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

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