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Virtues as Perfections of Human Powers: On the Metaphysics of Goodness in Aristotelian Naturalism

Published online by Cambridge University Press:  02 June 2020

John Hacker-Wright*
Affiliation:
Department of Philosophy, University of Guelph

Abstract

The central idea of Philippa Foot’s Natural Goodness is that moral judgments belong to the same logical kind of judgments as those that attribute natural goodness and defect to plants and animals. But moral judgments focus on a subset of human powers that play a special role in our lives as rational animals, namely, reason, will, and desire. These powers play a central role in properly human actions: those actions in which we go for something that we see and understand as good. Many readers of Foot resolutely ignore what she says about the human good being sui generis and obstinately continue to read her as advocating a version of naturalism grounded in empirical study of human nature. One might wonder how else it could count as a naturalistic view unless we could square the view with nature as studied by the empirical sciences. In this paper, I propose a metaphysical response to this question: help can come from turning to recent defenses of Aristotelian essentialism. Foot’s naturalism can square with nature as interpreted through the lens of Aristotelian essentialism. On such a view, the virtues are perfections of human powers including reason, will, and desire.

Type
Papers
Copyright
Copyright © The Royal Institute of Philosophy and the contributors 2020

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References

1 As opposed to ‘acts of a man’ which can include mindlessly scratching one's beard or incontinent acts. See Aquinas Summa Theologiae 1a2ae, 1, 1, and McDowell, John, ‘The Role of Eudaimonia’, in Essays on Aristotle's Ethics, ed. Rorty, Amélie Oksenberg (Berkely: University of California Press, 1981) 361Google Scholar.

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37 In a study of John Finnis’ natural law theory, Mark Murphy draws a parallel distinction to my own between a weak and strong grounding in human nature. On the weak grounding interpretation of natural law theory, human nature does not impact what counts as good, but only our ability to access goods. So, if human nature were different, say, our if we lacked some intellectual capacities, we might not have access to some things that are goods, say an understanding of nature. On the strong grounding view, human nature actually explain why certain things are good. In terms of my distinction, the strongly sui generis view parallels the weak grounding view, since the good can come apart from facts about our nature, whereas the weakly sui generis view corresponds to the strong grounding claim. See ‘Self-Evidence, Human Nature, and Natural Law’, American Catholic Quarterly, LXIX, 3 (1995), 471–484. Thanks to Micah Lott for pointing out the parallel between my distinctions and Murphy's.

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