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DOI: 10.4230/LIPIcs.ITP.2022.7

The Zoo of Lambda-Calculus Reduction Strategies, And Coq

Authors: Małgorzata Biernacka, Witold Charatonik, and Tomasz Drab

Published in: LIPIcs, Volume 237, 13th International Conference on Interactive Theorem Proving (ITP 2022)

Abstract

We present a generic framework for the specification and reasoning about reduction strategies in the lambda calculus, representable as sets of term decompositions. It is provided as a Coq formalization that features a novel format of phased strategies. It facilitates concise description and algebraic reasoning about properties of reduction strategies. The formalization accommodates many well-known strategies, both weak and strong, such as call by name, call by value, head reduction, normal order, full β-reduction, etc. We illustrate the use of the framework as a tool to inspect and categorize the "zoo" of existing strategies, as well as to discover and study new ones with particular properties.

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Małgorzata Biernacka, Witold Charatonik, and Tomasz Drab. The Zoo of Lambda-Calculus Reduction Strategies, And Coq. In 13th International Conference on Interactive Theorem Proving (ITP 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 237, pp. 7:1-7:19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{biernacka_et_al:LIPIcs.ITP.2022.7,
  author =	{Biernacka, Ma{\l}gorzata and Charatonik, Witold and Drab, Tomasz},
  title =	{{The Zoo of Lambda-Calculus Reduction Strategies, And Coq}},
  booktitle =	{13th International Conference on Interactive Theorem Proving (ITP 2022)},
  pages =	{7:1--7:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-252-5},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{237},
  editor =	{Andronick, June and de Moura, Leonardo},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2022.7},
  URN =		{urn:nbn:de:0030-drops-167165},
  doi =		{10.4230/LIPIcs.ITP.2022.7},
  annote =	{Keywords: Lambda calculus, Reduction strategies, Coq}
}

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The Zoo of Lambda-Calculus Reduction Strategies, And Coq

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