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Step * of Lemma coslice-cat_wf

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

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Latex:

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


By

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Latex:
ProveWfLemma

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