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Step * of Lemma setTC-cosetTC

∀a:Set{i:l}. seteq(setTC(a);cosetTC(a))
BY
{ (Auto THEN BLemma `cosetTC-unique` THEN EAuto 1) }

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Latex:

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Latex:
\mforall{}a:Set\{i:l\}.  seteq(setTC(a);cosetTC(a))


By

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Latex:
(Auto  THEN  BLemma  `cosetTC-unique`  THEN  EAuto  1)

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