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Step * of Lemma set-sig-set_wf

∀[Item:Type]. ∀[s:set-sig{i:l}(Item)].  (set-sig-set(s) ∈ Type)
BY
{ (ProveWfLemma THEN D (-1) THEN Auto) }

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Latex:

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Latex:
\mforall{}[Item:Type].  \mforall{}[s:set-sig\{i:l\}(Item)].    (set-sig-set(s)  \mmember{}  Type)


By

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Latex:
(ProveWfLemma  THEN  D  (-1)  THEN  Auto)

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