# unit

> in mathematics, an invertible element or a unit in a ring R

**Wikidata**: [Q118084](https://www.wikidata.org/wiki/Q118084)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unit_(ring_theory))  
**Source**: https://4ort.xyz/entity/unit-q118084-2


## References

1. Freebase Data Dumps. 2013
2. [Source](http://progettomatematica.dm.unibo.it/Anelli/elinvert.htm)
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)