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Step * 2 of Lemma cat-isomorphic-equiv


1. C : SmallCategory
⊢ Sym(cat-ob(C);x,y.cat-isomorphic(C;x;y))
BY
{ (D 0 THEN EAuto 1⋅) }

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Latex:

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Latex:

1.  C  :  SmallCategory
\mvdash{}  Sym(cat-ob(C);x,y.cat-isomorphic(C;x;y))


By

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Latex:
(D  0  THEN  EAuto  1\mcdot{})

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