Structure

category of finite sets and bijections

Notation B\IB Objects finite sets Morphisms bijective maps Related FI\FI, FS\FS, FinSet\FinSet, Setbij\Set_{\bij} External nLab link
This category is also known as the permutation groupoid. It appears in the definition of a combinatorial species.

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