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Additional
Category of small categories
English Wikipedia - The Free Encyclopedia
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Category of small categories
In
mathematics
, specifically in
category theory
, the
category of small categories
, denoted by
Cat
, is the
category
whose objects are all
small categories
and whose
morphisms
are
functors
between categories.
Cat
may actually be regarded as a
2-category
with
natural transformations
serving as
2-morphisms
.
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