Building an epistemic logic for argumentation

  • Authors:
  • François Schwarzentruber;Srdjan Vesic;Tjitze Rienstra

  • Affiliations:
  • IRISA / ENS Cachan, France;Computer Science and Communication, University of Luxembourg, Luxembourg;Computer Science and Communication, University of Luxembourg, Luxembourg

  • Venue:
  • JELIA'12 Proceedings of the 13th European conference on Logics in Artificial Intelligence
  • Year:
  • 2012

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Abstract

In this paper, we study a multi-agent setting in which each agent is aware of a set of arguments. The agents can discuss and persuade each other by putting forward arguments and counter-arguments. In such a setting, what an agent will do, i.e. what argument she will utter, may depend on what she knows about the knowledge of other agents. For example, an agent does not want to put forward an argument that can easily be attacked, unless she believes that she is able to defend her argument against possible attackers. We propose a logical framework for reasoning about the sets of arguments owned by other agents, their knowledge about other agents' arguments, etc. We do this by defining an epistemic logic for representing their knowledge, which allows us to express a wide range of scenarios.