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Recent Issues in Reasoning about Knowledge

It is by now common knowledge that the recent period of intense activity in reasoning about knowledge begins with two books, both by philosophers: Knowledge and Belief by Hintikka [Hi], and Convention by David Lewis [Lew]. Since then there has been much talk about muddy children and non-coperating generals, but the field has actually grown to be quite wide and interesting and we will try and give an overview of some of the work that has been done and some of the issues that are still of concern.