Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Kaile Su, Huowang Chen, Decheng Ding. Two alternative notions of possibility satisfying Halpern s conditions. Journal of Logic and Computation, 10(2):253-269, 2000.