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Semantics and Pragmatics in the Interpretation of or Mandy Simons

Summary: Semantics and Pragmatics in the Interpretation of or
Mandy Simons
Carnegie Mellon University
0. Introduction
This paper concerns what might be called the variably bad behavior of the word or.
As is well known, there are a variety of environments in which the word or
misbehaves misbehaves, in the sense that it gives rise to interpretations which are
not expected given the standard analysis of this word as, roughly, set union. One of
these environments is the scope of a modal. This case has received a lot of attention
recently in the literature, and a number of researchers, including myself, have
proposed accounts of or which explain its behavior in this environment.
But here is where theproblem arises: When we embed or under both a modal
and negation, it stops misbehaving and starts acting again like a well behaved
Boolean operator. This is problematic for those of us who have gone to some lengths
to argue, on the basis of the affirmative cases, that or isn't a Boolean operator at all.
In this paper, I will offer an explanation for this variable misbehavior. I will
propose that or is, after all, more or less a Boolean operator, although one which
works in a somewhat special way. In addition, I will argue that or coordinations are
subject to a special constraint, called Symmetry; and that it is the requirement to
satisfy Symmetry which sometimes forces or to display apparently non-Boolean


Source: Andrews, Peter B. - Department of Mathematical Sciences, Carnegie Mellon University


Collections: Mathematics