Topoi 39 (5):1167-1176 (
2020)
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Abstract
A number of metaphysicians of powers have argued that we need to distinguish the actualization of a power from the effects of that actualization. This distinction, I argue, has important consequences for the dispositional theory of belief. In particular, it suggests that dispositionalists have in effect been trying to define belief, not in terms of its actualization, but instead in terms of the effects of its actualization. As a general rule, however, powers are to be defined in terms of their actualizations. I thus argue that belief has just one actualization, and that that actualization is a particular kind of mental act that I call a judgment. I explain the resulting view—that belief is the power to judge—and argue that it has some important advantages, not only over other dispositional theories of belief, but also over categorical theories of belief. Since these options are apparently exhaustive, it thus has important advantages over all other theories of belief.