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Thirteenth Annual IEEE Symposium on

Logic in Computer Science (LICS 1998)

Invited Paper: Process Operations in Extended Dynamic Logics (at LICS 1998)

Authors: Johan van Benthem


Modal logic becomes action logic by adding programs as in propositional dynamic logic or the μ-calculus. Modal languages can be seen as decidable fragments of first-order logic that admit a natural bisimulation, and hence enjoy a good model theory. Recently, much stronger `guarded fragments' of first-order logic have been identified that enjoy the same pleasant features. The latter can serve as richer action languages as well. We will develop the logic of guarded fragments as a form of process theory. In particular, moving from sequential to parallel process operations correlates with moving to first-order fragments that are close to, or perhaps just over the decidable-undecidable fence


    author = 	 {Johan van Benthem},
    title = 	 {Process Operations in Extended Dynamic Logics},
    booktitle =  {Proceedings of the Thirteenth Annual IEEE Symposium on Logic in Computer Science (LICS 1998)},
    year =	 {1998},
    month =	 {June}, 
    pages =      {244--250},
    location =   {Indianapolis, IN, USA}, 
    note =       {Invited Talk},
    publisher =	 {IEEE Computer Society Press}

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Sam Staton