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DOI: 10.4230/LIPIcs.ITP.2025.22

Formalizing Splitting in Isabelle/HOL

Authors: Ghilain Bergeron, Florent Krasnopol, and Sophie Tourret

Published in: LIPIcs, Volume 352, 16th International Conference on Interactive Theorem Proving (ITP 2025)

Abstract

We describe the formalization in Isabelle/HOL of a framework for splitting, a theorem proving technique that extends saturation-based calculi with branching abilities. The framework preserves the completeness of the original calculus. We focus here on the simplest splitting model and provide an extension of the ordered resolution calculus with a variant of splitting called Lightweight AVATAR.

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Ghilain Bergeron, Florent Krasnopol, and Sophie Tourret. Formalizing Splitting in Isabelle/HOL. In 16th International Conference on Interactive Theorem Proving (ITP 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 352, pp. 22:1-22:19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{bergeron_et_al:LIPIcs.ITP.2025.22,
  author =	{Bergeron, Ghilain and Krasnopol, Florent and Tourret, Sophie},
  title =	{{Formalizing Splitting in Isabelle/HOL}},
  booktitle =	{16th International Conference on Interactive Theorem Proving (ITP 2025)},
  pages =	{22:1--22:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-396-6},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{352},
  editor =	{Forster, Yannick and Keller, Chantal},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ITP.2025.22},
  URN =		{urn:nbn:de:0030-drops-246208},
  doi =		{10.4230/LIPIcs.ITP.2025.22},
  annote =	{Keywords: Isabelle/HOL, saturation-based calculi, splitting}
}

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Formalizing Splitting in Isabelle/HOL

Abstract

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