# five lemma

> lemma in category theory about commutative diagrams

**Wikidata**: [Q1479523](https://www.wikidata.org/wiki/Q1479523)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Five_lemma)  
**Source**: https://4ort.xyz/entity/five-lemma


## References

1. Freebase Data Dumps. 2013