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  1. Olivier Roy & Eric Pacuit (2013). Substantive Assumptions in Interaction: A Logical Perspective. Synthese 190 (5):891-908.
    In this paper we study substantive assumptions in social interaction. By substantive assumptions we mean contingent assumptions about what the players know and believe about each other’s choices and information. We first explain why substantive assumptions are fundamental for the analysis of games and, more generally, social interaction. Then we show that they can be compared formally, and that there exist contexts where no substantive assumptions are being made. Finally we show that the questions raised in this paper are related (...)
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  2. Olivier Roy (2012). Rational Choice, Itzhak Gilboa, MIT Press, 2010, Xv + 158 Pages. [REVIEW] Economics and Philosophy 28 (1):102-107.
    Book Reviews Olivier Roy, Economics and Philosophy , FirstView Article(s).
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  3. Paul Egré & Olivier Roy (2010). Les Conventions Sans la Connaissance Commune? Philosophy 26 (3):345-367.
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  4. Olivier Roy (2010). Epistemic Logic and the Foundations of Decision and Game Theory. Journal of the Indian Council of Philosophical Research 27 (2):283-314.
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  5. Olivier Roy (2010). Interpersonal Coordination and Epistemic Support for Intentions with We-Content. Economics and Philosophy 26 (03):345-367.
    In this paper I study intentions of the form , that is, intentions with a we-content, and their role in interpersonal coordination. I focus on the notion of epistemic support for such intentions. Using tools from epistemic game theory and epistemic logic, I cast doubt on whether such support guarantees the other agents' conditional mediation in the achievement of such intentions, something that appears important if intentions with a we-content are to count as genuine intentions. I then formulate a stronger (...)
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  6. Johan Van Benthem, Patrick Girard & Olivier Roy (2009). Everything Else Being Equal: A Modal Logic for Ceteris Paribus Preferences. Journal of Philosophical Logic 38 (1):83 - 125.
    This paper presents a new modal logic for ceteris paribus preferences understood in the sense of "all other things being equal". This reading goes back to the seminal work of Von Wright in the early 1960's and has returned in computer science in the 1990' s and in more abstract "dependency logics" today. We show how it differs from ceteris paribus as "all other things being normal", which is used in contexts with preference defeaters. We provide a semantic analysis and (...)
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  7. Olivier Roy (2009). Intentions and Interactive Transformations of Decision Problems. Synthese 169 (2):335 - 349.
    In this paper I study two ways of transforming decision problems on the basis of previously adopted intentions, ruling out incompatible options and imposing a standard of relevance, with a particular focus on situations of strategic interaction. I show that in such situations problems arise which do not appear in the single-agent case, namely that transformation of decision problems can leave the agents with no option compatible with what they intend. I characterize conditions on the agents’ intentions which avoid such (...)
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  8. Olivier Roy (2008). Intentions rationnelles et acceptations en délibération. Philosophiques 35 (2):525-545.
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  9. Martin van Hees & Olivier Roy (2007). Intentions and Plans in Decision and Game Theory. In Bruno Verbeek (ed.), Reasons and Intentions. Ashgate Pub. Ltd..
  10. Olivier Roy (1994). L'Asie Centrale Et le National-Soviétisme. Cahiers Internationaux de Sociologie 96:177-189.
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