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Step * of Lemma trivial-zero-length

∀[e:BasicGeometry]. ∀[a:Point].  (|aa| = 0 ∈ Length)
BY
{ EAuto 1 }

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Latex:

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Latex:
\mforall{}[e:BasicGeometry].  \mforall{}[a:Point].    (|aa|  =  0)


By

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Latex:
EAuto  1

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