R-expression

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In certain theories of syntax, an R-expression (short for referring expression) is a category in the three-way classification of noun phrases in binding theory, the other two being anaphors and pronominals. According to principle C of binding theory, R-expressions must be free. R-expressions include names (e.g. Mary, John) and definite DPs (e.g. the cat). [1]

In Chomsky's government and binding theory, an R-expression is an overt NP analysed as [-a. -p] (not anaphor and not pronominal), and hence subject only to Principle C of the Binding Theory, namely, that it be free (unbound) in all domains. Examples of typical R-expressions are "Lisa", "the dog", "my pet unicorn", "the last chapter of the book", and "Janel's cigarettes". The name is derived from the phrase referring expression , used in semantics for the largest class of NPs, but the GB usage is not synonymous with the semantic sense. [2]

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References

  1. David Crystal; A Dictionary of Linguistics and Phonetics
  2. R. L. Trask; A Dictionary of Grammatical Terms in Linguistics