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Step * of Lemma geo-between-same-side2

∀e:BasicGeometry. ∀[A,B,C,D:Point].  (¬((¬B_C_D) ∧ (¬B_D_C))) supposing (A ≠ B and A_B_C and A_B_D)
BY
{ (InstLemma `geo-between-same-side` [] THEN RepeatFor 11 (ParallelLast') THEN Auto) }

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Latex:

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Latex:
\mforall{}e:BasicGeometry.  \mforall{}[A,B,C,D:Point].    (\mneg{}((\mneg{}B\_C\_D)  \mwedge{}  (\mneg{}B\_D\_C)))  supposing  (A  \mneq{}  B  and  A\_B\_C  and  A\_B\_D)


By

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Latex:
(InstLemma  `geo-between-same-side`  []  THEN  RepeatFor  11  (ParallelLast')  THEN  Auto)

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