Summary: 1. Zoltan Szábó points out (p.c.) that Grice may be reluctant to call this background
proposition an implicature because the speaker does not really intend to convey this
proposition to the addressee. But there are cases where the speaker may intend the
background proposition as part of, or even as the main point of, what is communicated. See
example (2) below.
To appear in:
Szabó, Zoltán (ed.) Semantics vs. Pragmatics. Oxford: Oxford University Press.
PRESUPPOSITION AND RELEVANCE
Carnegie Mellon University, Dept. of Philosophy
1. Two types of Relevance Implicature
Recall Grice's well-worn example from Logic and Conversation about Smith, his
girlfriend, and his trips to New York:
(1) A: Smith doesn't seem to have a girlfriend these days.
B: He has been paying a lot of visits to NY recently.
Grice says that in this dialogue, B implicates that Smith has, or may have, a girlfriend
in New York. But in saying this, Grice under-describes his own example. For this