# worldly cardinal

> large cardinal number 𝜅 such that the sets of rank <𝜅 is a model of Zermelo–Fraenkel set theory

**Wikidata**: [Q25305094](https://www.wikidata.org/wiki/Q25305094)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Worldly_cardinal)  
**Source**: https://4ort.xyz/entity/worldly-cardinal