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Step * of Lemma cat-id_wf

∀[C:SmallCategory]. (cat-id(C) ∈ x:cat-ob(C) ⟶ (cat-arrow(C) x x))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[C:SmallCategory].  (cat-id(C)  \mmember{}  x:cat-ob(C)  {}\mrightarrow{}  (cat-arrow(C)  x  x))


By

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Latex:
ProveWfLemma

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