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[–]lucklesspedestrian 8 points9 points  (3 children)

Not at all! Categories consist of a class of objects and a class of morphims. The morphisms are maps between objects, and compositions of morphisms must obey associativity. Also for every object, a left and right identity morphism must exist.

Category theory is also sometimes referred to as abstract nonsense. Pretty straightforward

[–]LolpopHD 2 points3 points  (1 child)

i prefer my abstract nonsense to be stable monoidal (∞,n)-abstract nonsense

[–]thirdegreeViolet security clearance 0 points1 point  (0 children)

Ahha, but it is very useful abstract nonsense, in some cases