# Coleman–Mandula theorem

> theorem that spacetime symmetries cannot mix with internal ones in a relativistic quantum field theory

**Wikidata**: [Q671663](https://www.wikidata.org/wiki/Q671663)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Coleman–Mandula_theorem)  
**Source**: https://4ort.xyz/entity/coleman-mandula-theorem


## References

1. Freebase Data Dumps. 2013