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Hein Duijf
VU University Amsterdam
  1.  25
    Ethics of Digital Contact Tracing and COVID-19: Who is (Not) Free to Go?Michael Klenk & Hein Duijf - forthcoming - Ethics and Information Technology.
    Digital tracing technologies are heralded as an effective way of containing SARS-CoV-2 faster than it is spreading, thereby allowing the possibility of easing draconic measures of population-wide quarantine. But existing technological proposals risk addressing the wrong problem. The proper objective is not solely to maximise the ratio of people freed from quarantine but to also ensure that the composition of the freed group is fair. We identify several factors that pose a risk for fair group composition along with an analysis (...)
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  2.  42
    Collective Obligations, Group Plans and Individual Actions.Allard Tamminga & Hein Duijf - 2017 - Economics and Philosophy 33 (2):187-214.
    If group members aim to fulfill a collective obligation, they must act in such a way that the composition of their individual actions amounts to a group action that fulfills the collective obligation. We study a strong sense of joint action in which the members of a group design and then publicly adopt a group plan that coordinates the individual actions of the group members. We characterize the conditions under which a group plan successfully coordinates the group members' individual actions, (...)
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  3.  21
    Expressivity Results for Deontic Logics of Collective Agency.Allard Tamminga, Hein Duijf & Frederik Van De Putte - forthcoming - Synthese:1-21.
    We use a deontic logic of collective agency to study reducibility questions about collective agency and collective obligations. The logic that is at the basis of our study is a multi-modal logic in the tradition of *stit* logics of agency. Our full formal language has constants for collective and individual deontic admissibility, modalities for collective and individual agency, and modalities for collective and individual obligations. We classify its twenty-seven sublanguages in terms of their expressive power. This classification enables us to (...)
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  4.  28
    Responsibility Voids and Cooperation.Hein Duijf - 2018 - Philosophy of the Social Sciences 48 (4):434-460.
    Do responsibility voids exist? That is, are there situations in which the group is collectively morally responsible for some outcome although no member can be held individually morally responsible for it? To answer these questions, I draw a distinction between competitive and cooperative decision contexts based on the team-reasoning account of cooperation. Accordingly, I provide a reasoning-based analysis of cooperation, competition, moral responsibility, and, last, potential responsibility voids. I then argue that competitive decision contexts are free of responsibility voids. The (...)
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  5.  32
    Conflicting Intentions: Rectifying the Consistency Requirements.Hein Duijf, Jan Broersen & John-Jules Ch Meyer - 2019 - Philosophical Studies 176 (4):1097-1118.
    Many philosophers are convinced that rationality dictates that one’s overall set of intentions be consistent. The starting point and inspiration for our study is Bratman’s planning theory of intentions. According to this theory, one needs to appeal to the fulfilment of characteristic planning roles to justify norms that apply to our intentions. Our main objective is to demonstrate that one can be rational despite having mutually inconsistent intentions. Conversely, it is also shown that one can be irrational despite having a (...)
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