# null semigroup

> semigroup with an absorbing element, called zero, in which the product of any two elements is zero

**Wikidata**: [Q7068969](https://www.wikidata.org/wiki/Q7068969)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Null_semigroup)  
**Source**: https://4ort.xyz/entity/null-semigroup