Lambda-calculus models of programming languages:

Two aspects of programming languages, recursive definitions and type declarations are analyzed in detail, using Church's lambda-calculus as the programming language model. The main result on recursion is an analogue to Kleene's first recursion theorem: If A = FA for any lambda-expressions...

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Bibliographic Details
Main Author: Morris, James H. (Author)
Format: Book
Language:English
Published: Cambridge, Mass. Project MAC, Mass. Inst. of Technology 1968
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Summary:Two aspects of programming languages, recursive definitions and type declarations are analyzed in detail, using Church's lambda-calculus as the programming language model. The main result on recursion is an analogue to Kleene's first recursion theorem: If A = FA for any lambda-expressions A and F, then A is an extension of YF in the sense that if E(YF), any expression containing YF, has a normal form then E(YF) = E(A). Y is Curry's paradoxical combinator. The result is shown to be invariant for many different versions of Y. A system of types and type declarations is developed for the lambda-calculus and its semantic assumptions are identified. The system is shown to be adequate in the sense that it permits a preprocessor to check formulae prior to evaluation to prevent type errors. It is shown that any formula with a valid assignment of types to all its subexpressions must have a normal form. (Author).
Item Description:Zugl.: Diss., 1968. - Kopie, erschienen bei National Techn. Information Service, Springfield, Va.
Physical Description:131 Bl.

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