Algebraic laws for nondeterminism and concurrency
Journal of the ACM (JACM)
First-order modal logic
Epistemic Logic for AI and Computer Science
Epistemic Logic for AI and Computer Science
Propositional Temporal Logics and Equivalences
CONCUR '92 Proceedings of the Third International Conference on Concurrency Theory
A Scalable Agent Location Mechanism
ATAL '99 6th International Workshop on Intelligent Agents VI, Agent Theories, Architectures, and Languages (ATAL),
Open Multi-agent Systems: Agent Communication and Integration
ATAL '99 6th International Workshop on Intelligent Agents VI, Agent Theories, Architectures, and Languages (ATAL),
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In this paper, we present a logical framework that combines modality with a first-order quantification mechanism. The logic differs from standard first-order modal logics in that quantification is not performed inside the states of a model, but the states in the model themselves constitute the domain of quantification. The locality principle of modal logic is preserved via the requirement that in each state, the domain of quantification is restricted to a subset of the entire set of states in the model. We show that the language is semantically characterised by a generalisation of classical bisimulation, called history-based bisimulation, consider its decidability and study the application of the logic to describe and reason about the topologies of multi-agent systems.