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Step * of Lemma pi-subst_wf

∀[x,t:Name]. ∀[p:pi_term()].  (pi-subst(t;x;p) ∈ pi_term())
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[x,t:Name].  \mforall{}[p:pi\_term()].    (pi-subst(t;x;p)  \mmember{}  pi\_term())


By

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Latex:
ProveWfLemma

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