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Multiagent Systems

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Prof. Dr. Jürgen Dix · Department of Informatics, TUC <strong>Multiagent</strong> <strong>Systems</strong>, WS 06/07 524/731<br />

8. Action/Time as Modalities 1. Time: LTL, CTL<br />

Linear Time Logic: Semantics<br />

Definition 8.1 (Models of LTL)<br />

A model of LTL is a sequence of time moments. We call<br />

such models paths, and denote them by λ.<br />

Evaluation of atomic propositions at particular time<br />

moments, denoted by λ[i] is also needed. We also use the<br />

notation λ[i . . . j] to denote all time moments between i<br />

and j (including both). λ[i . . . ∞] denotes the denumerable<br />

infinite set of all timepoints from i on into the future.

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