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I am grateful for the comments and criticisms of many people. I was helped in the early stages of revision by discussion at the University of Pittsburgh philosophy colloquium, by the written comments of Richard Gale and Paul Teller, and by discussion with Allen Hazen, Robert Kraut, and Storrs McCall. I am especially grateful to Anil Gupta for his extensive help, both in the early and the late stages of revision.
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Gibbard, A. Contingent identity. J Philos Logic 4, 187–221 (1975). https://doi.org/10.1007/BF00693273
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DOI: https://doi.org/10.1007/BF00693273