Syracuse University
Department of Philosophy
PhD, 1991
San Diego, California, United States of America
Areas of Specialization
Metaphysics
Philosophy of Mind
  •  660
    Ontological physicalism and property pluralism: Why they are incompatible
    Pacific Philosophical Quarterly 81 (4): 349-362. 2000.
    To earn the title “ontological physicalist,” one must endorse an entailment thesis of the following sort: the physical properties that are had, together with the causal laws, determine which higher-level properties are had. I argue that if this thesis is to capture all that is essential to physicalist intuitions, the relevant set of causal laws must be restricted to purely physical laws. But then it follows that higher-level properties are physical properties. The conclusion is that one cannot c…Read more
  •  271
    Emergence
    Erkenntnis 67 (1). 2007.
    Here I offer a precise analysis of what it takes for a property to count as emergent. The features widely considered crucial to emergence include novelty, unpredictability, supervenience, relationality, and downward causal influence. By acknowledging each of these distinctive features, the definition provided below captures an important sense in which the whole can be more than the sum of its parts
  •  558
    Mere Cambridge Properties
    American Philosophical Quarterly 36 (4): 295-308. 1999.
    The predicates 'is outgrown by Theaetetus,' 'is 300 miles west of a lemur,' and 'is such that 9 is odd' denote properties, but there is a sense in which these properties are not genuine features of the objects that have them. The fact that we find these mere-Cambridge properties odd has something to do with their relational character. But relationality in itself is not an adequate criterion for property-genuineness for there are many relational properties that do not qualify as mere-Cambridge. T…Read more
  • What multiple realizability does not show
    Journal of Mind and Behavior 18 (1): 13-28. 1997.
    It is widely held that psychological theories cannot be reduced to those of the natural sciences. Perhaps the most common reason for rejecting psycho-physical reduction is the belief that mental properties are multiply realizable--i.e., that events of different physical types might realize the same mental property. While the multiple realizability argument has had its share of criticism, its major flaw has been overlooked. I aim to show the real reason why the argument fails and why multiple rea…Read more
  •  52
    Higher-order thoughts and conscious experience
    Philosophical Psychology 8 (3): 239-254. 1995.
    For nearly a decade, David Rosenthal has proposed that a mental state M of a creature C is conscious just in case C has a suitable higher-order thought directed toward M. While this theory has had its share of criticism in recent years, I believe that the real difficulties have been ignored. In this essay, I show that the presence of a higher order is insufficient for conscious experience, even if we suppose that the thought satisfies the constraints that Rosenthal lists . The only way Rosenthal…Read more
  • Understanding physical realization (and what it does not entail)
    Journal of Mind and Behavior 23 (3): 279-292. 2002.
    The notion of realization is defined so that we can better understand what it means to say that mentality is physically realized. It is generally thought that physical properties realize mental properties (thesis PR). The definitions provided here support this belief, but they also reveal that mental properties can be viewed as realizing physical properties. This consequence questions the value of PR in helping us capture the idea that mental phenomena are dependent upon (i.e., obtain by virtue …Read more
  •  320
    Property dualism without substance dualism?
    Philosophical Papers 30 (2): 93-116. 2001.
    Substance dualism is widely rejected by philosophers of mind, but many continue to accept some form of property dualism. The assumption here is that one can consistently believe that (1) mental properties are not physical properties, while denying that (2) mental particulars are not physical particulars. But is this assumption true? This paper considers several analyses of what makes something a physical particular (as opposed to a non-physical particular), and it is argued that on any plausible…Read more
  •  581
    Externalism and Marr's theory of vision
    British Journal for the Philosophy of Science 42 (June): 227-38. 1991.
    According to one brand of 'externalism', cognitive theories should individuate mental content 'widely'--that is, partly in terms of environmental features. David Marr's theory of vision is often cited in support of this view. Many philosophers (most notably, Tyler Burge) regard it as a prime example of a fruitful cognitive theory that widely individuates the representations it posits. I argue that, contrary to popular belief, Marr's theory does not presuppose an externalist view of mental conten…Read more
  •  1383
    Psychological Continuity, Fission, and the Non-Branching Constraint
    Pacific Philosophical Quarterly 89 (1): 21-31. 2008.
    Abstract: Those who endorse the Psychological Continuity Approach (PCA) to analyzing personal identity need to impose a non-branching constraint to get the intuitively correct result that in the case of fission, one person becomes two. With the help of Brueckner's (2005) discussion, it is shown here that the sort of non-branching clause that allows proponents of PCA to provide sufficient conditions for being the same person actually runs contrary to the very spirit of their theory. The problem i…Read more
  •  77
    Endurance and Discernibility
    Metaphysica 9 (2): 193-204. 2008.
    How can an object remain the same, numerically identical, while undergoing change? This is a worry for endurantists, who hold that for any stages, x and y, of a persisting object, x is numerically identical with y. Endurantists might try to avoid the problem of change by insisting that all properties are temporally anchored. It is argued here that while this strategy helps in many cases, it does not help in all. A type of case is presented in which a property is time-indexed but the property is …Read more