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Step * of Lemma pi-rank_wf

∀[p:pi_term()]. (pi-rank(p) ∈ ℕ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[p:pi\_term()].  (pi-rank(p)  \mmember{}  \mBbbN{})


By

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Latex:
ProveWfLemma

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