# combinatorial species

> endofunctor on the category of finite sets and bijections, which can be used to analyse discrete structures in terms of generating functions

**Wikidata**: [Q4457949](https://www.wikidata.org/wiki/Q4457949)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Combinatorial_species)  
**Source**: https://4ort.xyz/entity/combinatorial-species


## References

1. Freebase Data Dumps. 2013