# Lusin's separation theorem

> For 2 disjoint analytic subsets of Polish space, there is a Borel set containing only one

**Wikidata**: [Q6705124](https://www.wikidata.org/wiki/Q6705124)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lusin's_separation_theorem)  
**Source**: https://4ort.xyz/entity/lusin-s-separation-theorem