# empty sum

> summation where the number of terms is zero

**Wikidata**: [Q1812158](https://www.wikidata.org/wiki/Q1812158)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Empty_sum)  
**Source**: https://4ort.xyz/entity/empty-sum


## References

1. Freebase Data Dumps. 2013