Volume 26, Number 1-4, 1999
Artificial Intelligence and Mathematics IX
Joseph Y. Halpern:
Set-theoretic completeness for epistemic and conditional logic. 1-27
Fumiaki Okushi:
Parallel cooperative propositional theorem proving. 59-85
Peter Jonsson:
Strong bounds on the approximability of two Pspace-hard problems in propositional planning. 133-147
Joseph Y. Halpern:
Errata: "The relationship between knowledge, belief, and certainty". 253-256