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Step * of Lemma return-bag-class_wf

∀[Info,T:Type]. ∀[b:bag(T)].  (return-bag-class(b) ∈ EClass(T))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[Info,T:Type].  \mforall{}[b:bag(T)].    (return-bag-class(b)  \mmember{}  EClass(T))


By

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Latex:
ProveWfLemma

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