Announcement as effort on topological spaces

Hans van Ditmarsch
Sophia Knight
Aybüke Özgün

We propose a multi-agent logic of knowledge, public and arbitrary announcements, that is interpreted on topological spaces in the style of subset space semantics. The arbitrary announcement modality functions similarly to the effort modality in subset space logics, however, it comes with intuitive and semantic differences. We provide axiomatizations for three logics based on this setting, and demonstrate their completeness.

In R Ramanujam: Proceedings Fifteenth Conference on Theoretical Aspects of Rationality and Knowledge (TARK 2015), Carnegie Mellon University, Pittsburgh, USA, June 4-6, 2015, Electronic Proceedings in Theoretical Computer Science 215, pp. 283–297.
Published: 23rd June 2016.

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