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has a more concrete and literal use: sentence tokens are seen as expressively
produced by speakers' beliefs, desires, and other propositional attitudes.
Grice (1957, 1969) took these facts as the basis of his theory of meaning.
He believed that sentence meaning is grounded in the mental, and proposed
to explicate it ultimately in terms of the psychological states of individual
human beings. We can think of this as no less than the reduction of linguistic
meaning to psychology.
The linchpin of Grice's project was a slightly different notion of meaning,
which does not coincide with that of sentence meaning. (This is his crucial
departure from the classic ideational theories.) Here are three examples to
illustrate the difference. First, recall Strawson's sentence from chapter 2, "This
is a fine red one." As we saw, the meaning of that sentence itself is not fully
determinate; to understand it, we need to know what the speaker is pointing
to
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