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2-category

1:51

Why Hurricane Categories Make a Difference

3:04

2.Category

1:38

Cindy Chong Freestyle 2 Category 11-12 years old 1st Place

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What do the different hurricane categories mean?

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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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