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Marcel Jahn
Humboldt-University, Berlin
  1.  24
    Normative Models and Their Success.Lukas Beck & Marcel Jahn - 2021 - Philosophy of the Social Sciences 51 (2):123-150.
    In this paper, we explore an under-investigated question concerning the class of formal models that aim at providing normative guidance. We call such models normative models. In particular, we examine the question of how normative models can successfully exert normative guidance. First, we highlight the absence of a discussion of this question – which is surprising given the extensive debate about the success conditions of descriptive models – and motivate its importance. Second, we introduce and discuss two potential accounts of (...)
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  2. Against the Unrestricted Applicability of Disjunction Elimination.Marcel Jahn - 2017 - Rerum Causae 9 (2):92-111.
    In this paper, I argue that the disjunction elimination rule presupposes the principle that a true disjunction contains at least one true disjunct. However, in some contexts such as supervaluationism or quantum logic, we have good reasons to reject this principle. Hence, disjunction elimination is restricted in at least one respect: it is not applicable to disjunctions for which this principle does not hold. The insight that disjunction elimination presupposes the principle that a true disjunction contains at least one true (...)
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  3.  5
    Conceptualizing Interstate Cooperation.Moritz S. Graefrath & Marcel Jahn - forthcoming - International Theory: 1-29.
    There seems to exist a general consensus on how to conceptualize cooperation in the field of international relations (IR). We argue that this impression is deceptive. In practice, scholars working on the causes of international cooperation have come to implicitly employ various understandings of what cooperation is. Yet, an explicit debate about the discipline's conceptual foundations never materialized, and whatever discussion occurred did so only latently and without much dialog across theoretical traditions. In this paper, we develop an updated conceptual (...)
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