•  262
    What are impossible worlds?
    Philosophical Studies 165 (3): 989-1007. 2013.
    In this paper, I argue for a particular conception of impossible worlds. Possible worlds, as traditionally understood, can be used in the analysis of propositions, the content of belief, the truth of counterfactuals, and so on. Yet possible worlds are not capable of differentiating propositions that are necessarily equivalent, making sense of the beliefs of agents who are not ideally rational, or giving truth values to counterfactuals with necessarily false antecedents. The addition of impossibl…Read more
  •  186
    Counterpossibles
    Dissertation, University of Massachusetts. 2012.
    Counterpossibles are counterfactuals with necessarily false antecedents. The problem of counterpossibles is easiest to state within the "nearest possible world" framework for counterfactuals: on this approach, a counterfactual is true (roughly) when the consequent is true in the "nearest" possible world where the antecedent is true. Since counterpossibles have necessarily false antecedents, there is no possible world where the antecedent is true. On the approach favored by Lewis, Stalnaker, Will…Read more
  •  6
    Aetna’s Compassionate Care Program and End-of-Life Decisions
    with Randall Krakauer and Joseph Agostini
    Journal of Clinical Ethics 25 (2): 131-134. 2014.
    In this article we describe the successes of Aetna’s Compassionate Care Program in providing case management services for people with advanced illnesses.