# semigroup with involution

> semigroup equipped with an involutive anti-automorphism

**Wikidata**: [Q7449422](https://www.wikidata.org/wiki/Q7449422)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Semigroup_with_involution)  
**Source**: https://4ort.xyz/entity/semigroup-with-involution