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Step * of Lemma stable__colinear

∀e:EuclideanStructure. ∀[a,b,c:Point].  Stable{Colinear(a;b;c)}
BY
{ (Auto THEN (D 0 THENA Auto) THEN (RWO  "eu-colinear-def" (-1) THENA Auto) THEN RWO  "eu-colinear-def" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}e:EuclideanStructure.  \mforall{}[a,b,c:Point].    Stable\{Colinear(a;b;c)\}


By

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Latex:
(Auto
  THEN  (D  0  THENA  Auto)
  THEN  (RWO    "eu-colinear-def"  (-1)  THENA  Auto)
  THEN  RWO    "eu-colinear-def"  0
  THEN  Auto)

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