# Horn clause

> clause (a disjunction of literals) with at most one positive, i.e. unnegated, literal

**Wikidata**: [Q933932](https://www.wikidata.org/wiki/Q933932)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Horn_clause)  
**Source**: https://4ort.xyz/entity/horn-clause


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)