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Step * of Lemma test-bag-filter-empty

∀[p:Top]. ([b∈{}|p[b]] ~ {})
BY
{ (Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[p:Top].  ([b\mmember{}\{\}|p[b]]  \msim{}  \{\})


By

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Latex:
(Reduce  0  THEN  Auto)

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