partially ordered set of extended natural numbers

Notation (N∪{∞},≤)(\IN \cup \{\infty\}, \leq) Objects natural numbers and ∞\infty Morphisms a unique morphism (n,m):n→m(n, m) : n \to m if n≤mn \leq m, where of course n≤∞n \leq \infty for all nn Related (N,≤)(\IN,\leq), On\On, ([0,1],≤)([0,1],\leq)

This category is a completed version of the thin category of natural numbers.

Satisfied Properties

Assigned properties

Deduced properties

Unsatisfied Properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

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Special objects

  • terminal object: ∞\infty
  • initial object: 00
  • products: infimum
  • coproducts: supremum

Special morphisms

  • isomorphisms: only the identity morphisms
  • monomorphisms: every morphism
  • epimorphisms: every morphism
  • regular monomorphisms: same as isomorphisms
  • regular epimorphisms: same as isomorphisms

Functors

The database stores 1 functor based on the partially ordered set of extended natural numbers.