1994 | ReviewPaper | Buchkapitel
Infinite objects in type theory
verfasst von : Thierry Coquand
Erschienen in: Types for Proofs and Programs
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We show that infinite objects can be constructively understood without the consideration of partial elements, or greatest fixed-points, through the explicit consideration of proof objects. We present then a proof system based on these explanations. According to this analysis, the proof expressions should have the same structure as the program expressions of a pure functional lazy language: variable, constructor, application, abstraction, case expressions, and local let expressions.