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Step * of Lemma b_all_wf

∀[T:Type]. ∀[b:bag(T)]. ∀[P:T ⟶ ℙ].  (b_all(T;b;x.P[x]) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[b:bag(T)].  \mforall{}[P:T  {}\mrightarrow{}  \mBbbP{}].    (b\_all(T;b;x.P[x])  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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