In dictionaries:
Phrase structure grammar
The term phrase structure grammar was originally introduced by Noam Chomsky as the term for grammar studied previously by Emil Post and Axel Thue (Post canonical systems).
phrase structure rule
Grammar rules organizing words syntactically.
Phrase structure rules
a type of rewrite rule used to describe a given language's syntax and are closely associated with the early stages of transformational grammar, proposed by Noam Chomsky in 1957.For general discussions of phrase structure rules, see for instance Borsley (1991:34ff.), Brinton, Falk (2001:46ff.).
Head-driven phrase structure grammar
a highly lexicalized, constraint-based grammar
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