Step
*
of Lemma
setimages_wf
∀[A,B:coSet{i:l}].  (setimages(A;B) ∈ coSet{i:l})
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[A,B:coSet\{i:l\}].    (setimages(A;B)  \mmember{}  coSet\{i:l\})
By
Latex:
ProveWfLemma
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