The reference and truth conditions of expressions like proper names and natural kind terms are determined by natural causal relations to the world, not by what is in one's head.

Reaction to the Fregean picture has determined the character of analytic discussions of intentionality or content in another major way. It may be granted that the content of the thought reported is to be identified with the sense of the expression with which we report it. But then, it is argued, the identity of this content will not be determined individualistically, and may in some respects lie beyond the grasp (or not be fully “present to” the mind) of the psychological subject. For what deter