Strong normalization proofs for cut elimination in Gentzen's sequent calculi
Banach Center Publications (1999)
- Volume: 46, Issue: 1, page 179-225
- ISSN: 0137-6934
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topBittar, Elias. "Strong normalization proofs for cut elimination in Gentzen's sequent calculi." Banach Center Publications 46.1 (1999): 179-225. <http://eudml.org/doc/208921>.
@article{Bittar1999,
abstract = {We define an equivalent variant $LK_\{sp\}$ of the Gentzen sequent calculus $LK$. In $LK_\{sp\}$ weakenings or contractions can be performed in parallel. This modification allows us to interpret a symmetrical system of mix elimination rules $_\{LK_\{sp\}\}$ by a finite rewriting system; the termination of this rewriting system can be machine checked. We give also a self-contained strong normalization proof by structural induction. We give another strong normalization proof by a strictly monotone subrecursive interpretation; this interpretation gives subrecursive bounds for the length of derivations. We give a strong normalization proof by applying orthogonal term rewriting results for a confluent restriction of the mix elimination system $_\{LK_\{sp\}\}$.},
author = {Bittar, Elias},
journal = {Banach Center Publications},
keywords = {cut elimination; strong normalization; term rewriting systems},
language = {eng},
number = {1},
pages = {179-225},
title = {Strong normalization proofs for cut elimination in Gentzen's sequent calculi},
url = {http://eudml.org/doc/208921},
volume = {46},
year = {1999},
}
TY - JOUR
AU - Bittar, Elias
TI - Strong normalization proofs for cut elimination in Gentzen's sequent calculi
JO - Banach Center Publications
PY - 1999
VL - 46
IS - 1
SP - 179
EP - 225
AB - We define an equivalent variant $LK_{sp}$ of the Gentzen sequent calculus $LK$. In $LK_{sp}$ weakenings or contractions can be performed in parallel. This modification allows us to interpret a symmetrical system of mix elimination rules $_{LK_{sp}}$ by a finite rewriting system; the termination of this rewriting system can be machine checked. We give also a self-contained strong normalization proof by structural induction. We give another strong normalization proof by a strictly monotone subrecursive interpretation; this interpretation gives subrecursive bounds for the length of derivations. We give a strong normalization proof by applying orthogonal term rewriting results for a confluent restriction of the mix elimination system $_{LK_{sp}}$.
LA - eng
KW - cut elimination; strong normalization; term rewriting systems
UR - http://eudml.org/doc/208921
ER -
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