# Kruskal–Katona theorem

> a theorem about the numbers of faces of different dimensions in an abstract simplicial complex

**Wikidata**: [Q3527102](https://www.wikidata.org/wiki/Q3527102)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kruskal–Katona_theorem)  
**Source**: https://4ort.xyz/entity/kruskal-katona-theorem