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Step * of Lemma geo-add-length-zero3

∀[e:BasicGeometry]. ∀[x:Length]. ∀[a:Point].  (|aa| + x = x ∈ Length)
BY
{ (InstLemma `geo-add-length-zero2` [] THEN RepeatFor 3 (ParallelLast') THEN RWO "geo-add-length-comm" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[e:BasicGeometry].  \mforall{}[x:Length].  \mforall{}[a:Point].    (|aa|  +  x  =  x)


By

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Latex:
(InstLemma  `geo-add-length-zero2`  []
  THEN  RepeatFor  3  (ParallelLast')
  THEN  RWO  "geo-add-length-comm"  0
  THEN  Auto)

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