Structure

category of finite ordered sets

Notation FinOrd\FinOrd Objects finite (totally) ordered sets Morphisms order-preserving maps Related Δ\Delta, FinSet\FinSet, Pos\Pos External nLab link
The finite ordered sets of the form {1<…<n}\{1 < \dotsc < n\} for n∈Nn \in \IN provide a skeleton (including the empty set for n=0n = 0), the augmented simplex category.

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: singleton ordered set
  • initial object: empty ordered set
  • products: [finite case] direct products with the evident order

Special morphisms