# Fermat's right triangle theorem

> non-existence proof in number theory, the only complete proof left by Pierre de Fermat

**Wikidata**: [Q18640217](https://www.wikidata.org/wiki/Q18640217)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fermat's_right_triangle_theorem)  
**Source**: https://4ort.xyz/entity/fermat-s-right-triangle-theorem