•  101
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    Personal identity and time travel
    Philosophical Studies 52 (3). 1987.
    Memory theories of personal identity are subject to the difficulty that distinct simultaneous person stages may both stand in the memory relation to an earlier person stage. Apparently, Such theories entail that these two duplicate person stages are stages of the same person, A claim argued to be "obviously false". In this paper, I argue that the characteristics of these duplication cases usually cited to support this claim do not provide adequate evidence to make it cogent
  •  73
    Causal asymmetry
    Journal of Philosophy 79 (12): 761-774. 1982.
    This thesis addresses the problem of causal asymmetry. This problem may be characterized as follows: what is the relation R such that if an event c causes an event e c bears relation R to e but e does not bear relation R to e. The traditional Humean account of causal asymmetry is that "R" may be replaced by "temporally prior." Difficulties with this account based on consideration of cases of simultaneous causation and backward causation have given rise to non-Humean accounts of causal asymmetry.…Read more
  •  197
    Why Parfit did not go far enough
    Philosophical Studies 165 (1): 133-149. 2013.
    Parfit has argued for the revolutionary thesis that personal identity does not matter in ordinary survival, only the R-relation does. “Reconciliationists,” such as Lewis, have tried to stop this revolution, arguing that both personal identity and the R-relation matter. The disagreement has been between those who hold that only the R-relation matters and those who hold that, in addition, personal identity matters. But there is a third option. I argue that Parfit is right that personal identity do…Read more
  •  7
    Mental Identity
    Southern Journal of Philosophy 22 (2): 189-194. 2010.