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Step * of Lemma predicate-and_wf

∀[T,S:Type]. ∀[A:T ⟶ ℙ]. ∀[B:S ⟶ ℙ].  (predicate-and(A;B) ∈ (T × S) ⟶ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T,S:Type].  \mforall{}[A:T  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[B:S  {}\mrightarrow{}  \mBbbP{}].    (predicate-and(A;B)  \mmember{}  (T  \mtimes{}  S)  {}\mrightarrow{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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