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Step * of Lemma bag-remove_wf

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[bs:bag(T)]. ∀[x:T].  (bs - x ∈ bag(T))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[bs:bag(T)].  \mforall{}[x:T].    (bs  -  x  \mmember{}  bag(T))


By

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Latex:
ProveWfLemma

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