In
Noam Chomsky
Avram Noam Chomsky (born December 7, 1928) is an American professor and public intellectual known for his work in linguistics, political activism, and social criticism. Sometimes called "the father of modern linguistics", Chomsky is also a ...
's
government and binding theory Government and binding (GB, GBT) is a theory of syntax and a phrase structure grammar in the tradition of transformational grammar developed principally by Noam Chomsky in the 1980s. This theory is a radical revision of his earlier theories and was ...
in
linguistics
Linguistics is the scientific study of language. The areas of linguistic analysis are syntax (rules governing the structure of sentences), semantics (meaning), Morphology (linguistics), morphology (structure of words), phonetics (speech sounds ...
, an R-expression (short for "
referring expression
In linguistics, a referring expression (RE) is any noun phrase, or surrogate for a noun phrase, whose function in discourse is to identify some individual object. The technical terminology for ''identify'' differs a great deal from one school of ...
" (''the linked article explains the different, broader usage in other theories of linguistics'') or "referential expression") is a
noun phrase
A noun phrase – or NP or nominal (phrase) – is a phrase that usually has a noun or pronoun as its head, and has the same grammatical functions as a noun. Noun phrases are very common cross-linguistically, and they may be the most frequently ...
that refers to a specific real or imaginary
entity
An entity is something that Existence, exists as itself. It does not need to be of material existence. In particular, abstractions and legal fictions are usually regarded as entities. In general, there is also no presumption that an entity is Lif ...
. In contrast with
anaphors and
pronouns
In linguistics and grammar, a pronoun ( glossed ) is a word or a group of words that one may substitute for a noun or noun phrase.
Pronouns have traditionally been regarded as one of the parts of speech, but some modern theorists would not con ...
/pronominals, R-expressions obey condition C, which states that they are free, not
bound to any other element. R-expressions include
determiner phrases that are
definite, and
names
A name is a term used for identification by an external observer. They can identify a class or category of things, or a single thing, either uniquely, or within a given context. The entity identified by a name is called its referent. A person ...
.
Bibliography
{{Formal semantics
Generative syntax
Semantics