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Step * of Lemma geo-zero-length_wf

∀[e:BasicGeometry]. (0 ∈ Length)
BY
{ Auto }

1
1. e : BasicGeometry
⊢ 0 ∈ Length

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Latex:

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Latex:
\mforall{}[e:BasicGeometry].  (0  \mmember{}  Length)


By

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Latex:
Auto

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