Step * of Lemma geo-between-implies-out

e:BasicGeometry. ∀p,a,b:Point.  ((∃c:Point. (p ≠ c ∧ p_c_a ∧ p_c_b))  out(p ab))
BY
(Auto THEN ExRepD THEN FLemma `geo-between-same-side` [-1;-2] THEN Auto) }

1
1. BasicGeometry
2. Point
3. Point
4. Point
5. Point
6. p ≠ c
7. p_c_a
8. p_c_b
9. ¬((¬p_a_b) ∧ p_b_a))
⊢ out(p ab)


Latex:


Latex:
\mforall{}e:BasicGeometry.  \mforall{}p,a,b:Point.    ((\mexists{}c:Point.  (p  \mneq{}  c  \mwedge{}  p\_c\_a  \mwedge{}  p\_c\_b))  {}\mRightarrow{}  out(p  ab))


By


Latex:
(Auto  THEN  ExRepD  THEN  FLemma  `geo-between-same-side`  [-1;-2]  THEN  Auto)




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