# inverse semigroup

> regular semigroup in which every element has a unique inverse

**Wikidata**: [Q3022118](https://www.wikidata.org/wiki/Q3022118)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Inverse_semigroup)  
**Source**: https://4ort.xyz/entity/inverse-semigroup


## References

1. Inverse semigroups: the theory of partial symmetries
2. BabelNet
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)