Step
*
of Lemma
forall_wf
∀[A:Type]. ∀[B:A ─→ ℙ].  (∀a.B[a] ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  \mBbbP{}].    (\mforall{}a.B[a]  \mmember{}  \mBbbP{})
By
ProveWfLemma
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