An example of hierarchical design and proof

  • Authors:
  • Jay M. Spitzen;Karl N. Levitt;Lawrence Robinson

  • Affiliations:
  • SRI International, Menlo Park, CA;SRI International, Menlo Park, CA;SRI International, Menlo Park, CA

  • Venue:
  • Communications of the ACM
  • Year:
  • 1978

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Abstract

Hierarchical programming is being increasingly recognized as helpful in the construction of large programs. Users of hierarchical techniques claim or predict substantial increases in productivity and in the reliability of the programs produced. In this paper we describe a formal method for hierarchical program specification, implementation, and proof. We apply this method to a significant list processing problem and also discuss a number of extensions to current programming languages that ease hierarchical program design and proof.