The "Workmanship of the Understanding": Realist and Anti-Realist Theories of Classification in Boyle, Locke and Leibniz
Dissertation, University of California, Irvine (
2002)
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Abstract
The focus of this dissertation is the debate over classification and species realism/anti-realism in the new science of mechanism. I argue that Michael Ayers's Interpretation of Robert Boyle as a Lockean on species is incorrect. Boyle is more realist than Locke, indeed, Boyle's theory of classification was more similar to Leibniz's than to Locke's. This realist account of Boyle helps to diagnose an important connection between Leibniz and Boyle, and show Locke as a much more novel philosopher of science. ;I then argue that this account of Boyle's realism reveals a new argument strain in Leibniz that allows him a better reply against Locke's species anti-realism. I thus argue against Susana Goodin's view that Leibniz's reply to Locke's anti-realist arguments in the New Essays are stronger than they appear to be. According to Goodin, Leibniz cannot refute Locke without either changing the subject or appealing to his own deep metaphysics. I argue that Leibniz can reply in a dialectically adequate, non-question begging way to Locke's argument without appealing to anything deeper than the science of mechanism. ;Finally, I show that, contra Ayers, one of Locke's motivations for his anti-realism stems from his theological heterodoxy, not from the corpuscularian hypothesis. This theological strain appears most strikingly within the context of the debate over the status of persons and the human species. In the Essay, Locke denies each of Leibniz's orthodox theses regarding the human species. Locke's denials of the orthodox theses appear to be motivated by his heterodox theological commitments