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A Classical Realizability Model for a Semantical Value Restriction

  • Rodolphe Lepigre
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9632)

Abstract

We present a new type system with support for proofs of programs in a call-by-value language with control operators. The proof mechanism relies on observational equivalence of (untyped) programs. It appears in two type constructors, which are used for specifying program properties and for encoding dependent products.The main challenge arises from the lack of expressiveness of dependent products due to the value restriction. To circumvent this limitation we relax the syntactic restriction and only require equivalence to a value.The consistency of the system is obtained semantically by constructing a classical realizability model in three layers (values, stacks and terms).

Notes

Acknowledgments

I would like to particularly thank my research advisor, Christophe Raffalli, for his guidance and input. I would also like to thank Alexandre Miquel for suggesting the encoding of dependent products. Thank you also to Pierre Hyvernat, Tom Hirschowitz, Robert Harper and the anonymous reviewers for their very helpful comments.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.LAMA, UMR 5127 - CNRS, Université Savoie Mont BlancChambéryFrance

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