# Lambek–Moser theorem

> Any monotonic integer-valued function partitions the positive integers into 2 subsets

**Wikidata**: [Q6481192](https://www.wikidata.org/wiki/Q6481192)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lambek–Moser_theorem)  
**Source**: https://4ort.xyz/entity/lambek-moser-theorem