Mind 123 (492):1057-1094 (2014)

Wolfgang Schwarz
University of Edinburgh
Counterpart theory is often advertised by its track record at solving metaphysical puzzles. Here I focus on puzzles of occasional identity, wherein distinct individuals at one world or time appear to be identical at another world or time. To solve these puzzles, the usual interpretation rules of counterpart theory must be extended beyond the simple language of quantified modal logic. I present a more comprehensive semantics that allows talking about specific times and worlds, that takes into account the multiplicity and sortal-dependence of counterpart relations, and that does not require names to denote actual or present individuals. In addition, the semantics I defend does not identify ordinary individuals with world-bound or time-bound stages and thereby avoids the most controversial aspect of counterpart theory. Humphrey’s counterpart at other worlds or times is none other than Humphrey himself
Keywords counterpart theory  contingent identity
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DOI 10.1093/mind/fzu143
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References found in this work BETA

Reasons and Persons.Derek Parfit - 1984 - Oxford University Press.
Reasons and Persons.Joseph Margolis - 1986 - Philosophy and Phenomenological Research 47 (2):311-327.
Semantical Considerations on Modal Logic.Saul A. Kripke - 1963 - Acta Philosophica Fennica 16:83-94.
Counterpart Theory and Quantified Modal Logic.David K. Lewis - 1968 - Journal of Philosophy 65 (5):113-126.
Contingent Identity.Allan Gibbard - 1975 - Journal of Philosophical Logic 4 (2):187-222.

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Citations of this work BETA

Counteridenticals.Alexander W. Kocurek - 2018 - The Philosophical Review 127 (3):323-369.
Applications and Extensions of Counterpart Theory.Peterson Bridgette - 2017 - Dissertation, University of Massachusetts Amherst

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