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Step * of Lemma eu-eq-implies-col

∀e:EuclideanPlane. ∀a,b,c:Point.  ((¬(a = b ∈ Point)) ⇒ (b = c ∈ Point) ⇒ Colinear(a;b;c))
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1
1. e : EuclideanPlane@i'
2. a : Point@i
3. b : Point@i
4. c : Point@i
5. ¬(a = b ∈ Point)@i
6. b = c ∈ Point@i
⊢ Colinear(a;b;c)

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Latex:

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Latex:
\mforall{}e:EuclideanPlane.  \mforall{}a,b,c:Point.    ((\mneg{}(a  =  b))  {}\mRightarrow{}  (b  =  c)  {}\mRightarrow{}  Colinear(a;b;c))


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Latex:
Auto

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