Abstract
Many philosophers who support a four-dimensionalist metaphysics of things also conceive of experience as a state of a mind having temporal extension or existing as a momentary feature of the dimension of time. This essay shows that such a strict four-dimensionalism — suggested in works by D. M. Armstrong, Mark Heller, and David Lewis — cannot be correct, since it cannot allow for the passing of time that is essential to awareness. The argument demonstrates that the positing of any temporal process at all must compromise the strict four-dimensionalist view of the temporality of experience. This is not to say that the traditional endurantist view is left wholeheartedly endorsed. As I point out, this traditional view makes several questionable claims of its own that must be carefully scrutinized. Still, the criticism of the strict four-dimensionalist ontology indicates a direction to be followed in developing a successful metaphysics of experience.