# Zermelo–Fraenkel set theory

> variant of ZFC, the standard axiomatic set theory

**Wikidata**: [Q191849](https://www.wikidata.org/wiki/Q191849)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Zermelo–Fraenkel_set_theory)  
**Source**: https://4ort.xyz/entity/zermelo-fraenkel-set-theory


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)