Artificial Intelligence, Volume 28
Volume 28, Number 1, February 1986

Judea Pearl: On Evidential Reasoning in a Hierarchy of Hypotheses. 9-15
Vladimir Lifschitz: On the Satisfiability of Circumscription. 17-27
Robert E. Stepp, Ryszard S. Michalski: Conceptual Clustering of Structured Objects: A Goal-Oriented Approach. 43-69
Nils J. Nilsson: Probabilistic Logic. 71-87
John McCarthy: Applications of Circumscription to Formalizing Common-Sense Knowledge. 89-116
Roy Rada: E. Rich, Artificial Intelligence. 119-121
Volume 28, Number 2, March 1986
Johan de Kleer: An Assumption-Based TMS. 127-162
Johan de Kleer: Extending the ATMS. 163-196
Johan de Kleer: Problem Solving with the ATMS. 197-224
Kurt VanLehn: John R. Anderson, The Architecture of Cognition. 235-240
Volume 28, Number 3, May 1986
Andrew R. Haas: A Syntactic Theory of Belief and Action. 245-292
Alex Pentland: Perceptual Organization and the Representation of Natural Form. 293-331
R. R. Kadesch: Subjective Inference with Multiple Evidence. 333-341



