Completeness and decidability of the deducibility problem for some class of formulas of set theory

<p style="font-style: normal;"><span style="font-family: DejaVu Sans,sans-serif;">An extension of results on the decidability of classes of formulas in set theory is proved. In particular a class of restricted quantified formulas is proved to be decidable also in the...

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Main Author: Alberto Policriti
Format: Article
Language:English
Published: Università degli Studi di Catania 1987-11-01
Series:Le Matematiche
Online Access:http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/723
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spelling doaj-ece07965f11a4834b4585bc404bd30602020-11-25T01:21:33ZengUniversità degli Studi di CataniaLe Matematiche0373-35052037-52981987-11-01421,24966687Completeness and decidability of the deducibility problem for some class of formulas of set theoryAlberto Policriti<p style="font-style: normal;"><span style="font-family: DejaVu Sans,sans-serif;">An extension of results on the decidability of classes of formulas in set theory is proved. In particular a class of restricted quantified formulas is proved to be decidable also in the case in which the underlying axiomatic set theory does not contain the axiom of foundation. For all the classes considered is also studied whether or not they result to be not only decidable, but also complete and a simple decidable but not complete class of formulas is presented.</span></p>http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/723
collection DOAJ
language English
format Article
sources DOAJ
author Alberto Policriti
spellingShingle Alberto Policriti
Completeness and decidability of the deducibility problem for some class of formulas of set theory
Le Matematiche
author_facet Alberto Policriti
author_sort Alberto Policriti
title Completeness and decidability of the deducibility problem for some class of formulas of set theory
title_short Completeness and decidability of the deducibility problem for some class of formulas of set theory
title_full Completeness and decidability of the deducibility problem for some class of formulas of set theory
title_fullStr Completeness and decidability of the deducibility problem for some class of formulas of set theory
title_full_unstemmed Completeness and decidability of the deducibility problem for some class of formulas of set theory
title_sort completeness and decidability of the deducibility problem for some class of formulas of set theory
publisher Università degli Studi di Catania
series Le Matematiche
issn 0373-3505
2037-5298
publishDate 1987-11-01
description <p style="font-style: normal;"><span style="font-family: DejaVu Sans,sans-serif;">An extension of results on the decidability of classes of formulas in set theory is proved. In particular a class of restricted quantified formulas is proved to be decidable also in the case in which the underlying axiomatic set theory does not contain the axiom of foundation. For all the classes considered is also studied whether or not they result to be not only decidable, but also complete and a simple decidable but not complete class of formulas is presented.</span></p>
url http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/723
work_keys_str_mv AT albertopolicriti completenessanddecidabilityofthededucibilityproblemforsomeclassofformulasofsettheory
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