A-over-A

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In generative grammar, the A-over-A principle says that if a rule ambiguously refers to A in a structure of the form of (i), the rule must apply to the higher, more inclusive, node A (Chomsky 1964).

Examples

This principle prevents extraction of the NP Africa out of the NP my trip to Africa in which it is included in (ii)b, but allows the more inclusive NP to be fronted in (ii)c.

 (i)	 ... [A ... [A ... 
 (ii) a I won't forget [NP my trip to [NP Africa ]]. 
      b *Africa, I won't forget my trip to
      c my trip to Africa, I won't forget

Comment

More recently, the A-over-A principle has been reduced to principles such as the ECP.

See also

island condition

Link

Utrecht Lexicon of Linguistics

References

  • Chomsky, Noam A. 1964. Current issues in linguistic theory. The Hague: Mouton.
  • Ross, J.R. 1967. Constraints on variables in syntax. Doctoral dissertation. MIT (published as Infinite syntax! Ablex, Norwood 1986).