# ideal

> additive subgroup of a ring closed under multiplcation by arbitrary ring element

**Wikidata**: [Q44649](https://www.wikidata.org/wiki/Q44649)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ideal_(ring_theory))  
**Source**: https://4ort.xyz/entity/ideal


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Freebase Data Dumps. 2013
3. BabelNet
4. National Library of Israel