CatDat

walking idempotent

The name of this category comes from the fact that a functor out of it is the same as an idempotent morphism in the target category. It can also be seen as the delooping of the monoid {1,e}\{1,e\} in which e2=ee^2=e.

Satisfied Properties

Properties from the database

Deduced properties

Unsatisfied Properties

Properties from the database

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

Special objects

Special morphisms

  • isomorphisms: the identity
  • monomorphisms: the identity
  • epimorphisms: the identity
  • regular monomorphisms: the identity
  • regular epimorphisms: the identity