CatDat

partial order of extended natural numbers

  • notation: (N,)(\mathbb{N}_\infty, \leq)
  • objects: natural numbers and \infty
  • morphisms: a unique morphism (n,m):nm(n, m) : n \to m if nmn \leq m, where of course nn \leq \infty for all nn
  • Related categories: (N,)(\mathbb{N},\leq)

Properties

Properties from the database

Deduced properties

Non-Properties

Non-Properties from the database

Deduced Non-Properties*

*This also uses the deduced properties.

Unknown properties

For these properties the database currently doesn't have an answer if they are satisfied or not. Please help to complete the data!

Special morphisms

  • Isomorphisms: only the identity morphisms
  • Monomorphisms: every morphism
  • Epimorphisms: every morphism