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Across-the-Board (ATB) movement from coordinate structures is usually subject to an identity requirement: the same element must be extracted from each conjunct. In this paper I show that there are cases in which the identity requirement appears not to be met, in that different answers can be felicitously given to a single ATB question. I show that the non-ATB readings are instances of sloppy identity of the argument of a functional wh, and are subject to grammatical restrictions.

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Munn, A. ON THE IDENTITY REQUIREMENT OF ATB EXTRACTION. Natural Language Semantics 7, 421–425 (1999). https://doi.org/10.1023/A:1008377429394

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  • Coordinate Structure
  • Identity Requirement
  • Sloppy Identity
  • Grammatical Restriction