# union

> operation denoted by symbol “∪” applied on two sets; the set of all distinct elements in the collection

**Wikidata**: [Q185359](https://www.wikidata.org/wiki/Q185359)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Union_(set_theory))  
**Source**: https://4ort.xyz/entity/union-q185359-2


## References

1. Freebase Data Dumps. 2013