Step
*
of Lemma
priority-select_wf
∀[T:Type]. ∀[as:T List]. ∀[f,g:T ⟶ 𝔹].  (priority-select(f;g;as) ∈ 𝔹?)
BY
{ (Unfold `priority-select` 0 THEN Auto) }
Latex:
Latex:
\mforall{}[T:Type].  \mforall{}[as:T  List].  \mforall{}[f,g:T  {}\mrightarrow{}  \mBbbB{}].    (priority-select(f;g;as)  \mmember{}  \mBbbB{}?)
By
Latex:
(Unfold  `priority-select`  0  THEN  Auto)
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