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Step * of Lemma cosetTC_functionality

∀a,b:coSet{i:l}.  (seteq(a;b) ⇒ seteq(cosetTC(a);cosetTC(b)))
BY
{ (RWO "seteq-iff-setsubset" 0 THEN EAuto 1) }

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Latex:

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Latex:
\mforall{}a,b:coSet\{i:l\}.    (seteq(a;b)  {}\mRightarrow{}  seteq(cosetTC(a);cosetTC(b)))


By

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Latex:
(RWO  "seteq-iff-setsubset"  0  THEN  EAuto  1)

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