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Twelfth Annual IEEE Symposium on

Logic in Computer Science (LICS 1997)

Paper: Unique Fixpoint Induction for Value-Passing Processes (at LICS 1997)

Winner of the Kleene Award in 1997
Authors: Julian Rathke


We investigate the use of unique fixpoint induction as a proof method for value-passing process languages with recursion. An intuitive generalization of unique fixpoint induction based on loop invariants for symbolic graphs yields strong completeness results; we give an axiomatic characterization of both late and early observational congruence for a class of fully parameterised processes. This new, generalised, rule is shown to be derivable from existing formulations of unique fixpoint induction for value-passing calculi, thereby providing original completeness results. An example of the use of this new rule is presented in detail.


    author = 	 {Julian Rathke},
    title = 	 {Unique Fixpoint Induction for Value-Passing Processes},
    booktitle =  {Proceedings of the Twelfth Annual IEEE Symposium on Logic in Computer Science (LICS 1997)},
    year =	 {1997},
    month =	 {June}, 
    pages =      {140--148},
    location =   {Warsaw, Poland}, 
    publisher =	 {IEEE Computer Society Press}

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Sam Staton