empty category

Notation 0\0 Objects no objects Morphisms no morphisms Related 1\1 External nLab Link

This is the category with no objects and no morphisms. It is the initial object in the category of small categories.

Satisfied Properties

Assigned properties

Deduced properties

Unsatisfied Properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

Special objects

Special morphisms

  • isomorphisms: none
  • monomorphisms: none
  • epimorphisms: none
  • regular monomorphisms: none
  • regular epimorphisms: none

Functors

The database stores 1 functor based on the empty category.