• Boyle, classification and the workmanship of the understanding thesis
    Journal of the History of Philosophy 43 (2): 171-183. 2005.
    The current consensus in Locke scholarship is that Robert Boyle anticipated Locke's thesis that classification into species is the arbitrary work of the understanding. In fact, according to Michael Ayers, inter alia, not only did Boyle and Locke both think that classification is the workmanship of the understanding but that this thesis follows directly from the mechanical hypothesis itself. In this paper I argue that this reading of Boyle is mistaken: Locke's thesis on classification was not ant…Read more
  • Locke on Real Essences, Intelligibility, and Natural Kinds
    Journal of Philosophical Research 35 147-172. 2010.
    In this paper I criticize arguments by Pauline Phemister and Matthew Stuart that John Locke's position in his An Essay Concerning Human Understanding allows for natural kinds based on similarities among real essences. On my reading of Locke, not only are similarities among real essences irrelevant to species, but natural kind theories based on them are unintelligible.