A note on brute vs. institutional facts: Modal logic of equivalence up to a signature

Authors
Publication date 2009
Journal Dagstuhl Seminar Proceedings
Event Normative Multi-Agent Systems (NorMAS-09), Dagstuhl, Germany
Volume | Issue number 09121
Number of pages 10
Organisations
  • Interfacultary Research - Institute for Logic, Language and Computation (ILLC)
Abstract The paper investigates the famous Searlean distinction between "brute" and "institutional" concepts from a logical point of view. We show how the partitioning of the non-logical alphabet—e.g., into "brute" and "institutional" atoms—gives rise to interesting modal properties. A modal logic, called UpTo-logic, is introduced and investigated which formalizes the notion of (propositional) logical equivalence up to a given signature.
Document type Article
Note Proceedings title: Normative Multi-Agent Systems Publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik Place of publication: Wadern Editors: G. Boella, P. Noriega, G. Pigozzi, H. Verhagen
Language English
Published at http://drops.dagstuhl.de/opus/volltexte/2009/1910
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