# tetractys

> Pythagorean symbol, triangular figure consisting of ten points arranged in four rows

**Wikidata**: [Q609359](https://www.wikidata.org/wiki/Q609359)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tetractys)  
**Source**: https://4ort.xyz/entity/tetractys


## References

1. Freebase Data Dumps. 2013