# Erdős–Szekeres theorem

> theorem that sufficiently long sequences of numbers have long monotonic subsequences

**Wikidata**: [Q976607](https://www.wikidata.org/wiki/Q976607)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erdős–Szekeres_theorem)  
**Source**: https://4ort.xyz/entity/erd-s-szekeres-theorem


## References

1. Freebase Data Dumps. 2013