Step
*
of Lemma
euclidean-point-eq
∀[e:EuclideanPlane]. ∀[p,q:Point].  p = q ∈ Point supposing ¬¬(p = q ∈ Point)
BY
{ (Auto THEN EuContradiction THEN Auto) }
Latex:
Latex:
\mforall{}[e:EuclideanPlane].  \mforall{}[p,q:Point].    p  =  q  supposing  \mneg{}\mneg{}(p  =  q)
By
Latex:
(Auto  THEN  EuContradiction  THEN  Auto)
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