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On the Completeness of Propositional Hoare Logic

Author
Kozen, Dexter; Tiuryn, Jerzy
Abstract
We investigate the completeness of Hoare Logic on the propositional level. In particular, the expressiveness requirements of Cook's proof are characterized propositionally. We give a completeness result for Propositional Hoare Logic (PHL): all relationally valid rules {b1}p1{c1}, ..., {bn}pn{cn} --------------------------- {b}p{c} are derivable in PHL, provided the propositional expressiveness conditions are met. Moreover, if the programs pi in the premises are atomic, no expressiveness assumptions are needed.
Date Issued
1999-09Publisher
Cornell University
Subject
computer science; technical report
Previously Published As
http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.cs/TR99-1766
Type
technical report