Step * of Lemma sq_stable__geo-strict-between

∀g:EuclideanPlaneStructure. ∀a,b,c:Point.  SqStable(a-b-c)
BY
{ (Unfold `geo-strict-between` 0 THEN Auto) }


Latex:


Latex:
\mforall{}g:EuclideanPlaneStructure.  \mforall{}a,b,c:Point.    SqStable(a-b-c)


By


Latex:
(Unfold  `geo-strict-between`  0  THEN  Auto)




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