Right node raising

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Right node raising is an operation of reduction on coordinated clauses whose rightmost constituents are identical.


Right Node Raising derives the structure in (i)b from the underlying structure in (i)a by adjoining one copy of the identical constituents (the book) to the right of the sentence, and deleting the identical originals (indicated by e).

 (i) a  [[John saw the book] and [Bill bought the book]]
     b  [[John saw ei ] and [Bill bought ei ]] the booki 



  • Postal, P.M. 1974. On Raising. One Rule of English Grammar and its Theoretical Implications, The MIT Press: Cambridge, Mass.