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Step * of Lemma comma-slice-cat_wf

∀[A,C:SmallCategory]. ∀[S:Functor(A;C)]. ∀[x:cat-ob(C)].  ((S ↓ x) ∈ SmallCategory)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,C:SmallCategory].  \mforall{}[S:Functor(A;C)].  \mforall{}[x:cat-ob(C)].    ((S  \mdownarrow{}  x)  \mmember{}  SmallCategory)


By

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Latex:
ProveWfLemma

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