Return to Moral Twin Earth

Canadian Journal of Philosophy 32 (2):207 - 240 (2002)
Terence Horgan and Mark Timmons's 'moral twin earth argument' raises doubts about the naturalistic realist's ability to make sense of genuine disagreement. I offer three arguments the realist's behalf. First, I argue that the example at the heart of their argument is underdescribed; when fully developed, it loses its intuitive force. Second, I suggest that taking the stipulations of the Horgan-Timmons example seriously gives us reason to revise our initial judgments. Third, I propose combining naturalistic realism about moral judgments with expressivism about the last ought before action in order to preserve the conflict between moralists and twin-moralists.
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DOI 10.2307/40232148
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Neil Levy (2011). Moore on Twin Earth. Erkenntnis 75 (1):137-146.
Matti Eklund (2012). Alternative Normative Concepts. Analytic Philosophy 53 (2):139-157.
Michael Rubin (2008). Sound Intuitions on Moral Twin Earth. Philosophical Studies 139 (3):307 - 327.

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Michael Rubin (2008). Sound Intuitions on Moral Twin Earth. Philosophical Studies 139 (3):307 - 327.
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Neil Levy (2011). Moore on Twin Earth. Erkenntnis 75 (1):137-146.
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Derek Ball (2007). Twin-Earth Externalism and Concept Possession. Australasian Journal of Philosophy 85 (3):457-472.
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