# Erdős–Hajnal conjecture

> conjecture in graph theory

**Wikidata**: [Q16974940](https://www.wikidata.org/wiki/Q16974940)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erdős–Hajnal_conjecture)  
**Source**: https://4ort.xyz/entity/erd-s-hajnal-conjecture