Arrow, Automorphism, Category of automorphisms, Category of Categories, Category of commutative triangles, Category of Endomaps, Category of idempotents, Category of involutions, Category of Irreflexive Directed Multi-Graphs, Category of isomorphisms, Category of Maps, Category of reflexive graphs, Category of Sets, Category Theory, Commutative Triangle, Conceptual Mathematics, Dot, Endomap, Function, Functor, Idempotent, Involution, Irreflexive Directed Multi-Graphs, Isomorphism, Map, Object, Reflexive graph, Set
An object in the category of sets is a set, which we denote with a dot.
A map in the category of sets is a function, which we denote with an arrow.
From → Note to self
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