On the Logic of Theory Change: Contraction without Recovery Eduardo L. Fermé OriginalPaper Pages: 127 - 137
Making Beliefs Coherentl. The Subtraction and Addition Strategies. Erick J. Olsson OriginalPaper Pages: 143 - 163
A Note on the Rational Closure of Knowledge Bases with Both Positive and Negative Knowledge R. BoothJ.B. Paris OriginalPaper Pages: 165 - 190
Basic Proof Theory, A.S. Troelstra and H. Schwichtenberg Harold Schellinx BookReview Pages: 221 - 223
Logic for Applications, Anil Nerode and Richard A. Shore Wiebe van der Hoek BookReview Pages: 228 - 229