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Step * of Lemma threshold_val_wf

∀[S,A:Type]. ∀[p:S × (A?)].  (threshold_val(p) ∈ A?)
BY
{ ProveWfLemma }

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Latex:


\mforall{}[S,A:Type].  \mforall{}[p:S  \mtimes{}  (A?)].    (threshold\_val(p)  \mmember{}  A?)


By

ProveWfLemma

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