Speech acts as announcements

Authors Nadine Guiraud, Andreas Herzig, Emiliano Lorini

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Nadine Guiraud
Andreas Herzig
Emiliano Lorini

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Nadine Guiraud, Andreas Herzig, and Emiliano Lorini. Speech acts as announcements. In Information processing, rational belief change and social interaction. Dagstuhl Seminar Proceedings, Volume 9351, pp. 1-4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


Our aim is to use the logic of public announcements and more generally dynamic epistemic logics as a logic of speech acts. To that end we start from a simple multimodal logic of beliefs and goals (without common belief), and add public announcements. We suppose that announcements do not modify goals. We then consider several variants of speech acts of assertive and directive force and provide a modelling in terms of speech acts.
  • Logic of belief
  • logic of goals
  • speech act theory
  • dynamic epistemic logic
  • public announcements


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