Authors
Justin Morton
University of California, Davis
Abstract
Evolutionary debunking arguments claim that evolution has influenced our moral faculties in such a way that, if moral realism is true, then we have no positive moral knowledge. I present several popular objections to the standard version of this argument, then give a new EDA that has clear advantages in responding to these objections. Whereas the Standard EDA argues that evolution has selected for many moral beliefs with certain contents, this New EDA claims that evolution has selected for one belief: belief in the claim that categorical reasons exist. If moral realism is true, then this claim is entailed by all positive moral claims, and belief in it is defeated due to evolutionary influence. This entails that if realism is true, then we have no positive moral knowledge. While there may be objections against this New EDA, it is much stronger than the Standard EDA, and one realists ought to worry about.
Keywords moral realism  evolutionary debunking argument  moral knowledge  categorical reason
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Reprint years 2016
DOI 10.1017/apa.2016.14
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References found in this work BETA

On What Matters: Two-Volume Set.Derek Parfit - 2011 - Oxford University Press.
Knowledge and Lotteries.John Hawthorne - 2003 - Oxford, England: Oxford University Press.
Warrant and Proper Function.Alvin Plantinga - 1993 - Oxford University Press.

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Citations of this work BETA

The Epistemology of Evolutionary Debunking.Justis Koon - 2021 - Synthese 199 (5-6):12155-12176.
Two Types of Debunking Arguments.Peter Königs - 2018 - Philosophical Psychology 31 (3):383-402.
A Bayesian Analysis of Debunking Arguments in Ethics.Shang Long Yeo - 2021 - Philosophical Studies 179 (5):1673-1692.

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