Cavalcanti, A.L.C. and Sampaio, A. and Woodcock, J.C.P. (1999) An Inconsistency in Procedures, Parameters and Substitution in the Refinement Calculus. Science of Computer Programming, 33 (1). pp. 87-96. ISSN 0167-6423 .
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Morgan and Back have proposed different formalisations of procedures and parameters in the context of techniques of program development based on refinement. In this paper, we investigate a surprising and intricate relationship between these works and the substitution operator that renames the free variables of a program. In this study, we reveal an inconsistency in Morgan's refinement calculus and show that Back's formalisation of procedures does not have the same problem.
|Subjects:||Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Computing > Theoretical Computing Group
Faculties > Science Technology and Medical Studies > School of Computing > Systems Architecture Group
|Depositing User:||Mark Wheadon|
|Date Deposited:||28 Mar 2010 16:35|
|Last Modified:||08 Apr 2010 15:48|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/21708 (The current URI for this page, for reference purposes)|
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