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by klodolph 1291 days ago
Almost every field you can study in mathematics can be thought of as a “category”, and when you take a math class in undergrad, it usually focuses on one or two specific categories. Category theory is the study of categories in general. As in, “What if, instead of studying a specific field of math, you studied what these different fields had in common, and the relationships between them.”

The part where it gets wacky is when you realize that “categories” is, itself, a category.

https://youtu.be/yAi3XWCBkDo