Cindy Chong Freestyle 2 Category 11-12 years old 1st Place
What do the different hurricane categories mean?
ENHYPEN Surpass TREASURE in 2 category right after their debut
In category theory, a strict 2-category is a category with "morphisms between morphisms", that is, where each hom-set itself carries the structure of a category. It can be formally defined as a category enriched over Cat.
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