(Enter summary)
Abstract: We prove that product and sum types are definable in polymorphic PCF with
call-by-name evaluation strategy. This establishes polymorphic PCF and its extensions
can be conservatively extended by product and sum types and recursive
types.
1. Introduction
When we employ typed -calculi to investigate a complex programming language,
it is often useful to concentrate first on a "basic but sufficient" typed -calculus and
then on its extensions by the corresponding syntax constructs.
One of such basic ... (Update)
Context of citations to this paper: More
.... x j (C B) j (p i C) j (if0 I BB) j (case S of x:B j x:B) Akama has proved that PCF f Theta; g poly conservatively extends PCF poly [4]; he employs the technique of defining sum and product types in the second order polymorphic lambda calculus. We believe that an alternate...
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BibTeX entry: (Update)
Y. Akama. Conservative extensions of polymorphic PCF. In M. Takeichi, T. Ida, and A. Ohori, editors, Second Fuji International Workshop on Functional and Logic Programming, pages 48--62. World Scientific, 1996. http://citeseer.ist.psu.edu/akama96conservative.html More
@misc{ akama96conservative,
author = "Y. Akama",
title = "Conservative extensions of polymorphic PCF",
text = "Y. Akama. Conservative extensions of polymorphic PCF. In M. Takeichi, T.
Ida, and A. Ohori, editors, Second Fuji International Workshop on Functional
and Logic Programming, pages 48--62. World Scientific, 1996.",
year = "1996",
url = "citeseer.ist.psu.edu/akama96conservative.html" }
Citations (may not include all citations):
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Proofs and Types (context) - Girard, Lafont et al. - 1989 ACM
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Semantics of Programming Languages: Structures and Technique.. (context) - Gunter - 1992
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the expressive power of programming languages
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