Interrogative Belief Revision Based on Epistemic Strategies
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- Enqvist, S. Stud Logica (2012) 100: 453. doi:10.1007/s11225-012-9410-2
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I develop a dynamic logic for reasoning about “interrogative belief revision”, a new branch of belief revision theory that has been developed in a small number of papers, beginning with E. J. Olsson and D. Westlund’s paper “On the role of the research agenda in epistemic change” . In interrogative belief revision, epistemic states are taken to include a research agenda, consisting of questions the agent seeks to answer. I present a logic for revision of such epistemic states based on the notion of an epistemic strategy, a stable plan of action that determines changes in the agent’s research agenda. This idea is a further development of an idea put forward in , that changes in the research agenda of an agent should be determined by stable, “long term” research interests. I provide complete axioms and a decidability result for the logic.
KeywordsBelief revision Research agenda Dynamic logic Questions
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