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Step * of Lemma sg-id_wf

∀[sg:s-Group]. (1 ∈ Point)
BY
{ (ProveWfLemma THEN D 1 THEN Auto) }

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Latex:

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Latex:
\mforall{}[sg:s-Group].  (1  \mmember{}  Point)


By

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Latex:
(ProveWfLemma  THEN  D  1  THEN  Auto)

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