Group Logic with Distributed Knowledge

Rustam Galimullin*, Thomas Ågotnes, Natasha Alechina

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Article in proceedingAcademicpeer-review

Abstract

Public announcement logic (PAL) is an extension of epistemic logic with dynamic operators that model the effects of all agents simultaneously and publicly acquiring the same piece of information. One of the extensions of PAL, group announcement logic (GAL), allows quantification over (possibly joint) announcements made by agents. In GAL, it is possible to reason about what groups can achieve by making such announcements. It seems intuitive that this notion of coalitional ability should be closely related to the notion of distributed knowledge, the implicit knowledge of a group. Thus, we study the extension of GAL with distributed knowledge, and in particular possible interaction properties between GAL operators and distributed knowledge. The perhaps surprising result is that there in fact are no interaction properties, contrary to intuition. We make this claim precise by providing a sound and complete axiomatisation of GAL with distributed knowledge.

Original languageEnglish
Title of host publicationLogic, Rationality, and Interaction - 7th International Workshop, LORI 2019, Proceedings
EditorsPatrick Blackburn, Emiliano Lorini, Meiyun Guo
PublisherSpringer
Pages98-111
Number of pages14
ISBN (Print)9783662602911
DOIs
Publication statusPublished - 2019
Externally publishedYes
Event7th International Workshop on Logic, Rationality, and Interaction, LORI 2019 - Chongqing, China
Duration: 18 Oct 201921 Oct 2019

Publication series

SeriesLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume11813 LNCS
ISSN0302-9743

Conference

Conference7th International Workshop on Logic, Rationality, and Interaction, LORI 2019
Abbreviated titleLORI 2019
Country/TerritoryChina
CityChongqing
Period18/10/1921/10/19

Keywords

  • Distributed knowledge
  • Dynamic epistemic logic
  • Group announcement logic
  • Resolved distributed knowledge

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