Symbolic Functional Evaluation

  • Authors:
  • Nancy A. Day;Jeffrey J. Joyce

  • Affiliations:
  • -;-

  • Venue:
  • TPHOLs '99 Proceedings of the 12th International Conference on Theorem Proving in Higher Order Logics
  • Year:
  • 1999

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Abstract

Symbolic functional evaluation (SFE) is the extension of an algorithm for executing functional programs to evaluate expressions in higher-order logic. SFE carries out the logical transformations of expanding definitions, beta-reduction, and simplification of built-in constants in the presence of quantifiers and uninterpreted constants. We illustrate the use of symbolic functional evaluation as a "universal translator" for linking notations embedded in higher-order logic directly with automated analysis without using a theorem prover. SFE includes general criteria for when to stop evaluation of arguments to uninterpreted functions based on the type of analysis to be performed. SFE allows both a novice user and a theorem-proving expert to work on exactly the same specification. SFE could also be implemented in a theorem prover such as HOL as a powerful evaluation tactic for large expression.