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Computability and completeness in logics of programs (Preliminary Report)

Published: 04 May 1977 Publication History

Abstract

Dynamic logic is a generalization of first order logic in which quantifiers of the form “for all χ...” are replaced by phrases of the form “after executing program α...”. This logic subsumes most existing first-order logics of programs that manipulate their environment, including Floyd's and Hoare's logics of partial correctness and Manna and Waldinger's logic of total correctness, yet is more closely related to classical first-order logic than any other proposed logic of programs. We consider two issues: how hard is the validity problem for the formulae of dynamic logic, and how might one axiomatize dynamic logic? We give bounds on the validity problem for some special cases, including a Π02-completeness result for the partial correctness theories of uninterpreted flowchart programs. We also demonstrate the completeness of an axiomatization of dynamic logic relative to arithmetic.

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Harel, D., A. Pnueli and J. Stavi. A complete axiomatic system for proving deductions about recursive programs. Proc. Ninth Ann. ACM Symp. on Theory of Computing, Boulder, Col., May 1977.
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cover image ACM Conferences
STOC '77: Proceedings of the ninth annual ACM symposium on Theory of computing
May 1977
318 pages
ISBN:9781450374095
DOI:10.1145/800105
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Published: 04 May 1977

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STOC '77 Paper Acceptance Rate 31 of 87 submissions, 36%;
Overall Acceptance Rate 1,469 of 4,586 submissions, 32%

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