Research

I spend about half my time on current problems in metaphysics and the philosophy of perception and the other half on the early modern philosophers.  My book Problems from Reid, something of a sequel to Problems from Kant, was published in 2015.  The historical figure I’m paying most attention to these days is Hume; having written books on philosophers who replied to Hume (Reid and Kant), I’m going back to the provocateur.

Among my recent and current projects are the following:

A paper entitled “Substance and Shadow,” exploring four levels of increasing ontological robustness:  nonentities, logical constructions, dependent entities, and substances.  This paper appeared in the June 2023 issue of The Review of Metaphysics.

A paper entitled “There Are No Necessary Connections Between Distinct Existences,” which is one formulation of a dictum often attributed to Hume.  I explore its meaning, its basis, and its uses in Hume; the range of its uses in contemporary philosophy and whether they are properly Humean; and some of the reasons for and against thinking the dictum true. This paper appeared in the 2025 issue of Oxford Studies in Metaphysics.

A paper on the philosophical uses and abuses of the location ‘qua’, forthcoming in Philosophy Compass.

A paper on whether we can perceive so-called “high-level” properties and relations, including causation.

Teaching

Among the courses I teach at USC are Historical Introduction to Philosophy, Time and Time Travel, History of Modern Philosophy, British Empiricism, and Metaphysics. I have given or co-taught graduate seminars in the philosophy of Thomas Reid, the philosophy of David Hume, the philosophy of A.N. Prior, the philosophy of time, the philosophy of perception, probability and epistemology, mereology, and intentionality.

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