# Büchi–Elgot–Trakhtenbrot theorem

> formal language theorem

**Wikidata**: [Q107709489](https://www.wikidata.org/wiki/Q107709489)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Büchi–Elgot–Trakhtenbrot_theorem)  
**Source**: https://4ort.xyz/entity/b-chi-elgot-trakhtenbrot-theorem