Step * of Lemma unit-prod_wf

∀[X:Type]. ∀[d:metric(X)].  (I x (X;d) ∈ MetricSpace)
BY
{ ProveWfLemma }


Latex:


Latex:
\mforall{}[X:Type].  \mforall{}[d:metric(X)].    (I  x  (X;d)  \mmember{}  MetricSpace)


By


Latex:
ProveWfLemma




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