# inversion

> in discrete mathematics, a pair of positions in a sequence where two elements are out of sorted order

**Wikidata**: [Q1368009](https://www.wikidata.org/wiki/Q1368009)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Inversion_(discrete_mathematics))  
**Source**: https://4ort.xyz/entity/inversion-q1368009


## References

1. Freebase Data Dumps. 2013