# nowhere dense set

> set whose closure has empty interior

**Wikidata**: [Q1991405](https://www.wikidata.org/wiki/Q1991405)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Nowhere_dense_set)  
**Source**: https://4ort.xyz/entity/nowhere-dense-set


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)