Strong Normalization through Intersection Types and Memory
Author(s) -
Antonio Bucciarelli,
Delia Kesner,
Daniel Ventura
Publication year - 2016
Publication title -
electronic notes in theoretical computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.242
H-Index - 60
ISSN - 1571-0661
DOI - 10.1016/j.entcs.2016.06.006
Subject(s) - normalization (sociology) , idempotence , intersection (aeronautics) , mathematics , discrete mathematics , pure mathematics , combinatorics , sociology , anthropology , engineering , aerospace engineering
We characterize β-strongly normalizing λ-terms by means of a non-idempotent intersection type system. More precisely, we first define a memory calculus K together with a non-idempotent intersection type system K, and we show that a K-term t is typable in K if and only if t is K-strongly normalizing. We then show that β-strong normalization is equivalent to K-strong normalization. We conclude since λ-terms are strictly included in K-terms
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