(Enter summary)
Abstract: This paper proves the non-derivability of induction in second order dependent
type theory (P 2). This is done by providing a model construction for P 2, based
on a saturated sets like interpretation of types as sets of terms of a weakly extensional
combinatory algebra. We give countermodels in which the induction principle over
natural numbers is not valid. The proof does not depend on the specic encoding for
natural numbers that has been chosen (like e.g. polymorphic Church numerals),... (Update)
Context of citations to this paper: More
...also for CC , then, in CC , we would have : cpsJMK( z: r(z) which contradicts its consistency. In a recent paper [22], H. Geuvers proved a similar result, namely the non derivability of induction principles in P 2. Despite being close in spirit, the...
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BibTeX entry: (Update)
H. Geuvers. Induction is not derivable in second order dependent type theory. In [1], pp. 166-181. http://citeseer.ist.psu.edu/article/geuvers00induction.html More
@article{ geuvers01induction,
author = "Herman Geuvers",
title = "Induction Is Not Derivable in Second Order Dependent Type Theory",
journal = "Lecture Notes in Computer Science",
volume = "2044",
pages = "166--??",
year = "2001",
url = "citeseer.ist.psu.edu/article/geuvers00induction.html" }
Citations (may not include all citations):
266
Information and Computation (context) - Coquand, Huet et al. - 1988
68
Logics and Type systems
- Geuvers - 1993
64
Metamathematical investigations of a calculus of constructio.. (context) - Coquand - 1990
20
Tracts in Theoretical Computer Science (context) - Girard, Lafont et al. - 1989
14
Typed lambda calculi (context) - Barendregt - 1992
7
Independence of the induction principle and the axiom of cho.. (context) - Streicher - 1991
2
Constructive Natural Deduction and its \Modest (context) - Longo, Moggi - 1988
1
Extending models of second order logic to models of second o.. (context) - Geuvers - 1996
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