411 REFERENCE · Wikibooks
Shelf:Category theory
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Pure mathematics
Books on this shelf deal with category theory: a discipline in mathematics that looks at abstract properties of relations between objects such as sets, topological spaces, algebras, and groups using a diagrammatic formalism. Category theory introduces concepts like morphism and universal property that transcend individual branches of mathematics.