Volume 11, 1998
Cognitive Semantics II
Content Externalism and A Priori Knowledge
M. McKinsey has argued that the externalist theory of mental content implies that one can have a priori knowledge of propositions that are in fact only knowable a posteriori. So, according to McKinsey, the externalist theory must be mistaken. A. Gallois and J. O'Leary-Hawthorne have formalized this argument. In this paper, I discuss their formalization and their criticisms of it.