In Dispositional Properties, David Weissman attacks a problem central to the philosophy of mind and, by implication, to the theory of being: Are there potentialities, capabilities, which dispose the mind to think in one way rather than another? The volume is arranged in the form of four arguments that converge upon a single point. First, there is an intricate discussion of the shortcomings of Hume's account of mind as ideas and impressions. Next comes a brief treatment of the arguments of some of Weissman's contemporaries, including Carnap and Braithwaite. Third, Wei