# phrase structure rule

> rewrite rule used to describe a given language's syntax, used to break down a natural language sentence into its syntactic categories (both lexical and phrasal); used in transformational grammar; first proposed by Noam Chomsky in 1957

**Wikidata**: [Q7188074](https://www.wikidata.org/wiki/Q7188074)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Phrase_structure_rules)  
**Source**: https://4ort.xyz/entity/phrase-structure-rule


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)