# Erdős–Anning theorem

> infinite set of points in R2 with mutual integer distances must be a straight line

**Wikidata**: [Q3526982](https://www.wikidata.org/wiki/Q3526982)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erdős–Anning_theorem)  
**Source**: https://4ort.xyz/entity/erd-s-anning-theorem


## References

1. Freebase Data Dumps. 2013