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Step * of Lemma cat-isomorphic_wf

∀[C:SmallCategory]. ∀[x,y:cat-ob(C)].  (cat-isomorphic(C;x;y) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[C:SmallCategory].  \mforall{}[x,y:cat-ob(C)].    (cat-isomorphic(C;x;y)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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