Changes

In [[category theory]], a morphism is a mapping between two categories.  For example, morphisms between sets are functions; morphisms between groups are group homomorphisms; morphisms between topological spaces are continuous functions; morphisms between category of functors are natural transformations.

In [[category theory]], a morphism is a mapping between two categories.  For example, morphisms between sets are functions; morphisms between groups are group homomorphisms; morphisms between topological spaces are continuous functions; morphisms between category of functors are natural transformations.