Example image of eyePlorer eyePlorer map for 'Category (mathematics)': Algebraic structure Associativity Mathematics Groupoid Monoid Preorder Category theory Outline of category theory Equivalence of categories Category of rings Category of sets Category of topological spaces Class (set theory) Set (mathematics) Function (mathematics) Function composition Binary relation Category of relations Allegory (category theory) Discrete category Reflexive relation Transitive relation Equivalence relation Partially ordered set Ordinal number Total order Binary operation Identity element Group (mathematics) Group action Isomorphism Directed graph Generating set Loop (graph theory) Vertex (graph theory) Free object Category of groups Group homomorphism Morphism Abelian category Abelian group Category of abelian groups Subcategory Category of preordered sets Monotonic function Concrete category Bundle map Fiber bundle Category of small categories Functor