Relative-sameness counterpart theory

Review of Symbolic Logic 1 (2):167-189 (2008)
Here I propose a coherent way of preserving the identity of material objects with the matter that constitutes them. The presentation is formal, and intended for RSL. An informal presentation is in preliminary draft! Relative-sameness relations—such as being the same person as—are like David Lewis's "counterpart" relations in the following respects: (i) they may hold between objects that aren't identical (I propose), and (ii) there are a multiplicity of them, different ones of which may be variously invoked in different contexts. They differ from counterpart relations, however, in that they are weak equivalence relations (transitive, symmetric and weakly reflexive). The likenesses to counterpart relations make them suitable for an analysis of de-re temporal and modal predications. The difference renders the resulting counterpart theory immune to standard criticisms of Lewis's Counterpart Theory (e.g., in Hazen 1979, and Fara and Williamson 2005).
Keywords counterpart theory  contingent identity  relative sameness
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DOI 10.1017/S1755020308080155
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References found in this work BETA
Saul Kripke (2010). Naming and Necessity. In Darragh Byrne & Max Kölbel (eds.), Philosophy. Routledge 431-433.

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Citations of this work BETA
Delia Graff Fara (2009). Dear Haecceitism. Erkenntnis 70 (3):285 - 297.
Igor Yanovich (2015). Expressive Power of “Now” and “Then” Operators. Journal of Logic, Language and Information 24 (1):65-93.
Delia Graff Fara (2009). Dear Haecceitism. Erkenntnis 70 (3):285–297.

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