David Pearce, Wolfgang Rautenberg. Propositional logic based on the dynamics of disbelief. In André Fuhrmann, Michael Morreau, editors, The Logic of Theory Change, Workshop, Konstanz, FRG, October 13-15, 1989, Proceedings. Volume 465 of Lecture Notes in Computer Science, pages 243-258, Springer, 1989.
Abstract is missing.