LIPIcs.RTA.2013.174.pdf
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Proof Orders for Decreasing Diagrams
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24th International Conference on Rewriting Techniques and Applications (RTA 2013)
Series: Leibniz International Proceedings in Informatics (LIPIcs)
Conference: International Conference on Rewriting Techniques and Applications (RTA) - License:
Creative Commons Attribution 3.0 Unported license
- Publication Date: 2013-06-24
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Bertram Felgenhauer and Vincent van Oostrom. Proof Orders for Decreasing Diagrams. In 24th International Conference on Rewriting Techniques and Applications (RTA 2013). Leibniz International Proceedings in Informatics (LIPIcs), Volume 21, pp. 174-189, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2013)
https://doi.org/10.4230/LIPIcs.RTA.2013.174
https://doi.org/10.4230/LIPIcs.RTA.2013.174
Abstract
We present and compare some well-founded proof orders for decreasing diagrams. These proof orders order a conversion above another conversion if the latter is obtained by filling any peak in the former by a (locally) decreasing diagram. Therefore each such proof order entails the decreasing diagrams technique for proving confluence. The proof orders differ with respect to monotonicity and complexity. Our results are developed in the setting of involutive monoids. We extend these results to obtain a decreasing diagrams technique for confluence modulo.
Keywords
- involutive monoid
- confluence modulo
- decreasing diagram
- proof order
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