Reference : KE Tableaux for Public Announcement Logic
Scientific congresses, symposiums and conference proceedings : Unpublished conference
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KE Tableaux for Public Announcement Logic
de Boer, Mathijs [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC) >]
Formal Approaches to Multi-Agent Systems Workshop (FAMAS'007)
September 2007
United Kingdom
[en] Public announcement logic ; epistemic logic ; KE ; semantic tableaux
[en] Public announcement logic (PAL) is a simple dynamic epistemic logic extending reasoning about knowledge of agents with a modal operator for simultaneous and transparent knowledge updates. This logic is no more expressive than epistemic logic (EL) without updates, but exhibits
compact representation of a number of complex epistemic situations. A labeled tableau proof system to reason with these updates directly is presented here. This system can analyse and present well-known epistemic puzzles like `muddy children' and `three wise men'. Using the KE tableau system as a basis, the modal and propositional characteristics of epistemic
updates can be separated.

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