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Step * of Lemma ss-empty_wf

No Annotations
∀[X:SeparationSpace]. (ss-empty() ∈ Open(X))
BY
{ ProveWfLemma }

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Latex:

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Latex:
No  Annotations
\mforall{}[X:SeparationSpace].  (ss-empty()  \mmember{}  Open(X))


By

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Latex:
ProveWfLemma

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