Journal of Semantics Advance Access published online on August 26, 2009
Journal of Semantics, doi:10.1093/jos/ffp009
Presupposition Triggering from Alternatives
Cornell University
Correspondence: DORIT ABUSCH, Department of Linguistics, Morrill Hall, Cornell University, Ithaca, NY 14853 e-mail: da45{at}cornell.edu
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This paper considers a set of presupposition triggers including focus, questions, contrastive statives and an affirmation/negation construction involving and not, where presuppositions are cancellable. It is proposed that these constructions, rather than having strict semantic presuppositions, have representations involving alternative sets in the sense of alternative semantics of questions and focus and that a default process generates a presupposition from the alternative set. Presupposition projection facts are dealt with by stating a default constraint referring to dynamic denotations. The analysis can be extended to other constructions and lexical items with defeasible presupposition-triggering behaviour, such as inchoatives, by hypothesizing a representation involving alternatives.
Received for publication 18 January 2007. Revision received 1 March 2008. Accepted for publication 25 March 2008.