Hintikka’s Alternatives

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Johannes Heidema
Willem Labuschagne

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Author Biographies

Johannes Heidema, Mathematical Sciences, University of South Africa

Johannes Heidema is professor of Mathematics in the Department of Mathematical Sciences at the University of South Africa. His research interests include the history and philosophy of Logic and Mathematics and of science in general. He works with Willem Labuschagne on Applied Logic, and in particular on the nature of cognitive agents and their reasoning with defeasible logics for generating and changing knowledge and beliefs.

Willem Labuschagne

Willem Labuschagne is a senior lecturer in the Department of Computer Science at the University of Otago in Dunedin, New Zealand and a member of its Artificial Intelligence Research Laboratory. His research is devoted to the exploration of the logical semantics of nonmonotonic logic. His current goal is to find psychological and epistemological foundations for nonmonotonic logic, a task enriched by the perspective that Johannes Heidema contributes.