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Assertion programming

  • Andrzej J. Blikle
Invited Lectures
Part of the Lecture Notes in Computer Science book series (LNCS, volume 74)

Abstract

The paper describes a method of the systematic development of programs supplemented by specifications. A program in our sense consists of an instruction (the virtual program) plus the specification which in turn consists of a precondition, a postcondition and a set of assertions. Such a program is called correct if the instruction is totally correct wrt the pre- and postcondition, if it does not abort and if the set of assertions is adequate for the corresponding proof of correctness. In the presented method correct programs are developed by sound transformations. The method is illustrated by the derivation of a bubblesort program.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • Andrzej J. Blikle
    • 1
  1. 1.Institute of Computer SciencePolish Academy of Sciences, PKiNWarsawPoland

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