Step
*
of Lemma
op-cat-id
∀C:SmallCategory. ∀[A:Top]. (cat-id(op-cat(C)) A ~ cat-id(C) A)
BY
{ ((UnivCD THENA Auto) THEN DCat 1 THEN RepUR ``op-cat`` 0 THEN Auto) }
Latex:
Latex:
\mforall{}C:SmallCategory. \mforall{}[A:Top]. (cat-id(op-cat(C)) A \msim{} cat-id(C) A)
By
Latex:
((UnivCD THENA Auto) THEN DCat 1 THEN RepUR ``op-cat`` 0 THEN Auto)
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