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>But now, minecraft also has a functor F:(openM)→E, where E is the category of entities, which has as objects just sets of entities and as morphisms the surjective maps

I too learned about categories, functors, and morphisms in my set theory class ..

Don't get me wrong I do know what all of those things are but I didn't learn about them in set theory.




well where did you learn them?




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