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Step * of Lemma geo-strict-between-trans3

∀e:BasicGeometry. ∀a,b,c,d:Point.  (a-b-c ⇒ b-c-d ⇒ a-c-d)
BY
{ (Auto THEN D 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}e:BasicGeometry.  \mforall{}a,b,c,d:Point.    (a-b-c  {}\mRightarrow{}  b-c-d  {}\mRightarrow{}  a-c-d)


By

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Latex:
(Auto  THEN  D  0  THEN  Auto)

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