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Step * of Lemma bag-upto_wf

∀[n:ℤ]. (bag-upto(n) ∈ bag(ℤ))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[n:\mBbbZ{}].  (bag-upto(n)  \mmember{}  bag(\mBbbZ{}))


By

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Latex:
ProveWfLemma

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