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Jack Spencer
Massachusetts Institute of Technology
  1. Knowledge of Objective 'Oughts': Monotonicity and the New Miners Puzzle.Daniel Muñoz & Jack Spencer - forthcoming - Philosophy and Phenomenological Research.
    In the classic Miners case, an agent subjectively ought to do what they know is objectively wrong. This case shows that the subjective and objective ‘oughts’ are somewhat independent. But there remains a powerful intuition that the guidance of objective ‘oughts’ is more authoritative—so long as we know what they tell us. We argue that this intuition must be given up in light of a monotonicity principle, which undercuts the rationale for saying that objective ‘oughts’ are an authoritative guide for (...)
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  2. Rational Monism and Rational Pluralism.Jack Spencer - forthcoming - Philosophical Studies.
    Consequentialists often assume rational monism: the thesis that options are always made rationally permissible by the maximization of the selfsame quantity. This essay argues that consequentialists should reject rational monism and instead accept rational pluralism: the thesis that, on different occasions, options are made rationally permissible by the maximization of different quantities. The essay then develops a systematic form of rational pluralism which, unlike its rivals, is capable of handling both the Newcomb problems that challenge evidential decision theory and the (...)
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  3.  91
    An Argument Against Causal Decision Theory.Jack Spencer - forthcoming - Analysis.
    I formulate a principle of preference, which I call the Guaranteed Principle. I argue that the preferences of rational agents satisfy the Guaranteed Principle, that the preferences of agents who embody causal decision theory do not, and hence that causal decision theory is false.
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  4.  64
    Review of Arif Ahmed (Ed.), Newcomb's Problem. [REVIEW]Jack Spencer - 2019 - Notre Dame Philosophical Reviews 2019.
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