# Learning what must and can must and can mean

> Research article (2017) · cited 45× · AI/ML

**Wikidata**: [openalex:W2992605949](https://www.wikidata.org/wiki/openalex:W2992605949)  
**Source**: https://4ort.xyz/entity/learning-what-must-and-can-must-and-can-mean