License: Creative Commons Attribution 4.0 International license (CC BY 4.0)
When quoting this document, please refer to the following
DOI: 10.4230/DagSemProc.09351.3
URN: urn:nbn:de:0030-drops-22286
URL: http://dagstuhl.sunsite.rwth-aachen.de/volltexte/2009/2228/
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Van Ditmarsch, Hans ; French, Tim

Awareness and forgetting of facts and agents

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Abstract

We propose various logical semantics for change of awareness. The setting is that of multiple agents that may become aware of facts or other agents, or forget about them. We model these dynamics by quantifying over propositional variables and agent variables, in a multi-agent epistemic language with awareness operators, employing a notion of bisimulation with a clause for `same awareness'. The quantification is over all different ways in which an agent can become aware (or forget). Logics for change of awareness combine well with logics for informational change, as when a public announcement simultaneously makes you aware of an issue (`a plane just crashed on Schiphol Airport').


BibTeX - Entry

@InProceedings{vanditmarsch_et_al:DagSemProc.09351.3,
  author =	{Van Ditmarsch, Hans and French, Tim},
  title =	{{Awareness and forgetting of facts and agents}},
  booktitle =	{Information processing, rational belief change and social interaction},
  pages =	{1--8},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9351},
  editor =	{Giacomo Bonanno and James Delgrande and Hans Rott},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/opus/volltexte/2009/2228},
  URN =		{urn:nbn:de:0030-drops-22286},
  doi =		{10.4230/DagSemProc.09351.3},
  annote =	{Keywords: Awareness, knowledge, multi-agent systems, dynamics}
}

Keywords: Awareness, knowledge, multi-agent systems, dynamics
Collection: 09351 - Information processing, rational belief change and social interaction
Issue Date: 2009
Date of publication: 04.11.2009

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