Degrees of translatability and canonical forms in program schemas: Part I

  • Authors:
  • Ashok K. Chandra

  • Affiliations:
  • -

  • Venue:
  • STOC '74 Proceedings of the sixth annual ACM symposium on Theory of computing
  • Year:
  • 1974

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Abstract

We define a measure of the generality of the control structure of a program schema. This imposes a partial ordering on program schemas, and leads to a concept of the “difficulty” of a programming problem. In this sense there exists a “hardest” flowchart program, recursive program etc. Some earlier proofs can also be simplified and/or clarified by this approach.