Ten philosophical problems in deontic logic

Abstract

The paper discusses ten philosophical problems in deontic logic: how to formally represent norms, when a set of norms may be termed ‘coherent’, how to deal with normative conflicts, how contraryto-duty obligations can be appropriately modeled, how dyadic deontic operators may be redefined to relate to sets of norms instead of preference relations between possible worlds, how various concepts of permission can be accommodated, how meaning postulates and counts-as conditionals can be taken into account, and how sets of norms may be revised and merged. The problems are discussed from the viewpoint of input/output logic as developed by van der Torre & Makinson. We argue that norms, not ideality, should take the central position in deontic semantics, and that a semantics that represents norms, as input/output logic does, provides helpful tools for analyzing, clarifying and solving the problems of deontic logic.

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Citations of this work

Dilemmic Epistemology.Nick Hughes - 2019 - Synthese 196 (10):4059-4090.
HYPE: A System of Hyperintensional Logic.Hannes Leitgeb - 2019 - Journal of Philosophical Logic 48 (2):305-405.
Deontic Logic.Paul McNamara - 2010 - Stanford Encyclopedia of Philosophy.
Free Choice is a Form of Dependence.Magdalena Kaufmann - 2016 - Natural Language Semantics 24 (3):247-290.

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