# Russell's paradox

> paradox in set theory concerning the set of all sets not containing themselves

**Wikidata**: [Q33401](https://www.wikidata.org/wiki/Q33401)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Russell's_paradox)  
**Source**: https://4ort.xyz/entity/russell-s-paradox


## References

1. [Zermelo's discovery of the “Russell Paradox”](https://www.sciencedirect.com/science/article/pii/0315086081900021)
2. Freebase Data Dumps. 2013