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Step * of Lemma fset_of_mset_wf

∀s:DSet. ∀a:MSet{s}.  (fset_of_mset(s;a) ∈ MSet{s})
BY
{ ((Unfold `fset_of_mset` 0) THEN Auto) }

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Latex:

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Latex:
\mforall{}s:DSet.  \mforall{}a:MSet\{s\}.    (fset\_of\_mset(s;a)  \mmember{}  MSet\{s\})


By

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Latex:
((Unfold  `fset\_of\_mset`  0)  THEN  Auto)

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