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Step * of Lemma mfun_wf

∀[X,Y:Type]. ∀[d:metric(X)]. ∀[d':metric(Y)].  (FUN(X ⟶ Y) ∈ Type)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[X,Y:Type].  \mforall{}[d:metric(X)].  \mforall{}[d':metric(Y)].    (FUN(X  {}\mrightarrow{}  Y)  \mmember{}  Type)


By

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Latex:
ProveWfLemma

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