# Gδ set

> countable intersection of open sets

**Wikidata**: [Q127244](https://www.wikidata.org/wiki/Q127244)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gδ_set)  
**Source**: https://4ort.xyz/entity/g-set


## References

1. Freebase Data Dumps. 2013