Exploring Intuitions on Moral Twin Earth: A Reply to Sonderholm

Theoria 81 (4):355-375 (2015)

Terry Horgan
University of Arizona
Mark Timmons
University of Arizona
In his 2013 Theoria article, “Unreliable Intuitions: A New Reply to the Moral Twin-Earth Argument,” Jorn Sonderholm attempts to undermine our moral twin earth argument against Richard Boyd's moral semantics by debunking the semantic intuitions that are prompted by reflection on the thought experiment featured in the MTE argument. We divide our reply into three main sections. In section 1, we briefly review Boyd's moral semantics and our MTE argument against this view. In section 2, we set forth what we take to be Sonderholm's master debunking argument, along with his proposed Boydian explanation of the semantic intuitions he seeks to debunk. Then in section 3, we mount our defence of the semantic intuitions under scrutiny, arguing on abductive grounds that, contrary to Sonderholm, the semantic intuitions generated by reflection on MTE scenarios are to be trusted in evaluating the plausibility of Boydian moral semantics. Section 4 is our summary and conclusion
Keywords semantic intuitions  Jorn Sonderholm  moral realism  Richard Boyd  debunking arguments  moral semantics  ethical naturalism  moral twin earth
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DOI 10.1111/theo.12072
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References found in this work BETA

How to Be a Moral Realist.Richard Boyd - 1988 - In G. Sayre-McCord (ed.), Essays on Moral Realism. Cornell University Press. pp. 181-228.
The Language of Morals.R. M. Hare - 1952 - Oxford Clarendon Press.
How to Define Theoretical Terms.David K. Lewis - 1970 - Journal of Philosophy 67 (13):427-446.

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