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Published in:
2012 | OriginalPaper | Chapter
Contrary-To-Duties in Games
Authors : Paolo Turrini, Xavier Parent, Leendert van der Torre, Silvano Colombo Tosatto
Published in: Logic Programs, Norms and Action
Publisher: Springer Berlin Heidelberg
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The aim of the paper is to bring to the realm of game theory the well-known deontic notion of contrary-to-duty (CTD) obligation, so far not investigated in relation to optimality of strategic decisions. We maintain that, under a game-theoretical semantics, CTDs are well-suited to treat sub-ideal decisions. We also argue that, in a wide class of interactions, CTDs can used as a compact representation of coalitional choices leading to the achievement of optimal outcomes. Finally we investigate the properties of the proposed operators.