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Step * of Lemma bag-co-restrict_wf

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[x:T]. ∀[b:bag(T)].  ((b|¬x) ∈ bag(T))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[x:T].  \mforall{}[b:bag(T)].    ((b|\mneg{}x)  \mmember{}  bag(T))


By

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Latex:
ProveWfLemma

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