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Reasoning About Permitted Announcements



We formalize what it means to have permission to say something. We adapt the dynamic logic of permission by van der Meyden (J Log Comput 6(3):465–479, 1996 ) to the case where atomic actions are public truthful announcements. We also add a notion of obligation. Our logic is an extension of the logic of public announcements introduced by Plaza ( 1989 ) with dynamic modal operators for permission and for obligation. We axiomatize the logic and show that it is decidable.



Journal of Philosophical LogicSpringer Journals

Published: Aug 1, 2011

DOI: 10.1007/s10992-011-9187-1

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