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Step * of Lemma bag-bind_wf

∀[A,B:Type]. ∀[bs:bag(A)]. ∀[f:A ⟶ bag(B)].  (bag-bind(bs;f) ∈ bag(B))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[bs:bag(A)].  \mforall{}[f:A  {}\mrightarrow{}  bag(B)].    (bag-bind(bs;f)  \mmember{}  bag(B))


By

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Latex:
ProveWfLemma

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