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Step * of Lemma Open_wf

∀[X:Type]. (Open(X) ∈ Type)
BY
{ TACTIC:ProveWfLemma }

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Latex:

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Latex:
\mforall{}[X:Type].  (Open(X)  \mmember{}  Type)


By

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Latex:
TACTIC:ProveWfLemma

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