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Step * of Lemma bag-member_wf

∀[T:Type]. ∀[x:T]. ∀[bs:bag(T)].  (x ↓∈ bs ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[x:T].  \mforall{}[bs:bag(T)].    (x  \mdownarrow{}\mmember{}  bs  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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