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Probabilistic modal µ-calculus with independent product

Published: 26 March 2011 Publication History

Abstract

The probabilistic modal µ-calculus pLµ (often called the quantitative µ-calculus) is a generalization of the standard modal µ-calculus designed for expressing properties of probabilistic labeled transition systems. The syntax of pLµ formulas coincides with that of the standard modal µ-calculus. Two equivalent semantics have been studied for pLµ, both assigning to each process-state p a value in [0, 1] representing the probability that the property expressed by the formula will hold in p: a denotational semantics and a game semantics given by means of two player stochastic games. In this paper we extend the logic pLµ with a second conjunction called product, whose semantics interprets the two conjuncts as probabilistically independent events. This extension allows one to encode useful operators, such as the modalities with probability one and with non-zero probability. We provide two semantics for this extended logic: one denotational and one based on a new class of games which we call tree games. The main result is the equivalence of the two semantics. The proof is carried out in ZFC set theory extended with Martin's Axiom at the first uncountable cardinal.

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Cited By

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  • (2022)Coalgebraic Reasoning with Global Assumptions in Arithmetic Modal LogicsACM Transactions on Computational Logic10.1145/350130023:2(1-34)Online publication date: 14-Jan-2022

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Published In

cover image Guide Proceedings
FOSSACS'11/ETAPS'11: Proceedings of the 14th international conference on Foundations of software science and computational structures: part of the joint European conferences on theory and practice of software
March 2011
472 pages
ISBN:9783642198045
  • Editor:
  • Martin Hofmann

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Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 26 March 2011

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  • (2022)Coalgebraic Reasoning with Global Assumptions in Arithmetic Modal LogicsACM Transactions on Computational Logic10.1145/350130023:2(1-34)Online publication date: 14-Jan-2022

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