Theorem Proving Modulo

Gilles Dowek 1 Thérèse Hardin Claude Kirchner 2
2 PROTHEO - Constraints, automatic deduction and software properties proofs
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : «Theorem proving modulo» is a way to remove computational arguments from proofs by reasoning modulo a congruence on propositions. Such a technique, issued from automated theorem proving, is of wider interest because it aims at separating deductions and computations. The first contribution of this paper is to provide a «sequent calculus modulo» that gives a clear distinction between the decidable (computation) and the undecidable (deduction). The congruence on propositions is handled via rewrite rules and equational axioms. Usually rewriting applies only to terms. The second contribution of this paper is to allow rewriting atomic propositions into non atomic ones and to give a complete proof search method, called «Extended Narrowing and Resolution» (ENAR), modulo such congruences. The completeness of this method is proved using the sequent calculus modulo. An important application is that this Extended Narrowing and Resolution method subsumes full higher-order resolution when applied to a first-order presentation of higher-order logic. This shows that such a presentation can yield also efficient proof-search methods.
Type de document :
Rapport
[Research Report] RR-3400, INRIA. 1998, pp.27
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https://hal.inria.fr/inria-00077199
Contributeur : Rapport de Recherche Inria <>
Soumis le : lundi 29 mai 2006 - 17:18:41
Dernière modification le : jeudi 11 janvier 2018 - 06:19:58
Document(s) archivé(s) le : lundi 5 avril 2010 - 21:43:31

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  • HAL Id : inria-00077199, version 1

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Gilles Dowek, Thérèse Hardin, Claude Kirchner. Theorem Proving Modulo. [Research Report] RR-3400, INRIA. 1998, pp.27. 〈inria-00077199〉

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