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Step * of Lemma int2nat_wf

∀[i:ℤ]. (int2nat(i) ∈ ℕ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[i:\mBbbZ{}].  (int2nat(i)  \mmember{}  \mBbbN{})


By

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Latex:
ProveWfLemma

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