Step * of Lemma colinear-right-angle-trivial

e:BasicGeometry. ∀a,b,c:Point.  (Rabc  Colinear(a;b;c)  (a ≠ b ∧ c ≠ b)))
BY
(Auto THEN THEN Auto) }

1
1. BasicGeometry
2. Point
3. Point
4. Point
5. Rabc
6. Colinear(a;b;c)
7. a ≠ b
8. c ≠ b
⊢ False


Latex:


Latex:
\mforall{}e:BasicGeometry.  \mforall{}a,b,c:Point.    (Rabc  {}\mRightarrow{}  Colinear(a;b;c)  {}\mRightarrow{}  (\mneg{}(a  \mneq{}  b  \mwedge{}  c  \mneq{}  b)))


By


Latex:
(Auto  THEN  D  0  THEN  Auto)




Home Index