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Step * of Lemma PZF_safe_wf

∀[C:Type]. ∀[phi:Form(C)]. ∀[vs:Atom List].  (PZF_safe(phi;vs) ∈ 𝔹)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[C:Type].  \mforall{}[phi:Form(C)].  \mforall{}[vs:Atom  List].    (PZF\_safe(phi;vs)  \mmember{}  \mBbbB{})


By

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Latex:
ProveWfLemma

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