Structure

discrete category of sets

Notation Setdisc\Set_{\disc} Objects sets Morphisms only the identity morphisms Related 2\2, Set\Set, Setindisc\Set_{\indisc}
This category provides an example of a large discrete category. More generally, every collection II yields a discrete category IdiscI_{\disc}, and it shares the same properties as this one as long as II is not essentially small.

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

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Special morphisms

  • isomorphisms: every morphism
  • monomorphisms: every morphism
  • epimorphisms: every morphism
  • regular monomorphisms: same as isomorphisms
  • regular epimorphisms: same as isomorphisms