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Twelfth Annual IEEE Symposium on

Logic in Computer Science (LICS 1997)

Paper: A Logic for Reasoning with Higher-Order Abstract Syntax (at LICS 1997)

Authors: Raymond C. McDowell Dale A. Miller


Logical frameworks based on intuitionistic or linear logics with higher-type quantification have been successfully used to give high-level, modular, and formal specifications of many important judgments in the area of programming languages and inference systems. Given such specifications, it is natural to consider proving properties about the specified systems in the framework: for example, given the specification of evaluation for a functional programming language, prove that the language is deterministic or that the subject-reduction theorem holds. One challenge in developing a framework for such reasoning is that higher-order abstract syntax (HOAS), an elegant and declarative treatment of object-level abstraction and substitution, is difficult to treat in proofs involving induction. In this paper, we present a meta-logic that can be used to reason about judgments coded using HOAS; this meta-logic is an extension of a simple intuitionistic logic that admits higher-order quantification over simply typed lambda-terms (key ingredients for HOAS) as well as induction and a notion of definition. The latter concept of a definition is a proof-theoretic device that allows certain theories to be treated as ``closed'' or as defining fixed points. The resulting meta-logic can specify various logical frameworks and a large range of judgments regarding programming languages and inference systems. We illustrate this point through examples, including the admissibility of cut for a simple logic and subject reduction, determinacy of evaluation, and the equivalence of SOS and natural semantics presentations of evaluation for a simple functional programming language.


    author = 	 {Raymond C. McDowell and Dale A. Miller},
    title = 	 {A Logic for Reasoning with Higher-Order Abstract Syntax},
    booktitle =  {Proceedings of the Twelfth Annual IEEE Symposium on Logic in Computer Science (LICS 1997)},
    year =	 {1997},
    month =	 {June}, 
    pages =      {434--445},
    location =   {Warsaw, Poland}, 
    publisher =	 {IEEE Computer Society Press}

Last modified: 2022-10-3113:49
Sam Staton