# De Bruijn–Erdős theorem

> theorem on coloring infinite graphs

**Wikidata**: [Q3527054](https://www.wikidata.org/wiki/Q3527054)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/De_Bruijn–Erdős_theorem_(graph_theory))  
**Source**: https://4ort.xyz/entity/de-bruijn-erd-s-theorem-q3527054