The dining cryptographers problem: unconditional sender and recipient untraceability
Journal of Cryptology
Reasoning about knowledge
On the knowledge requirements of tasks
Artificial Intelligence
Dynamic Logic
The logic of public announcements, common knowledge, and private suspicions
TARK '98 Proceedings of the 7th conference on Theoretical aspects of rationality and knowledge
Distributed Computing
Dynamic epistemic logic with assignment
Proceedings of the fourth international joint conference on Autonomous agents and multiagent systems
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We introduce and study the notion of a Public Environment: a system in which a publicly known program is executed in an environment that is partially observable to agents in the system. Although agents do not directly have access to all variables in the system, they may come to know the values of unobserved variables because they know how the program is manipulating these variables. We develop a logic for reasoning about Public Environments, and an axiomatization of the logic.