Neo-Aristotelian Naturalism and the Indeterminacy Objection

Abstract

Philippa Foot’s virtue ethics remains an intriguing but divisive position in normative ethics. For some, the promise of grounding human virtue in natural facts is a useful method of establishing normative content. For others, the natural facts on which the virtues are established appear naively uninformed when it comes to the empirical details of our species. In response to this criticism, a new cohort of neo-Aristotelians like John Hacker-Wright attempt to defend Foot by reminding critics that the facts at stake are not claimed to be explanatory descriptions of the kind provided by empirical science. Instead, they are derived from a logical form that is presupposed when we categorize something as a living organism. Neo-Aristotelian naturalism is therefore said to be immune to the empirical defeaters put forward as criticism of the theory. I argue that neo-Aristotelians like Hacker-Wright can only rescue Foot’s naturalism from being uninformed by exposing it to an indeterminacy objection: if claims about human virtue are grounded in facts about our species other than those derived from science, then the position becomes immune to empirical defeaters at the cost of being unable to generate informative normative content.

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