Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition

In his book Asas al-ightibas Tusi speaks of a group of logicians who maintain that modality can be applied in order to modalize the quantity of a proposition. The standard view maintains that in a modalized proposition the modal term can only qualify the relation of the predicate to the subject. Avi...

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Main Author: Mohammad Ali Ejeii
Format: Article
Language:fas
Published: Allameh Tabataba'i University Press 2008-09-01
Series:حکمت و فلسفه
Subjects:
Online Access:https://wph.atu.ac.ir/article_5755_5536d9cdd7cd0edb3c01c05628cbfea4.pdf
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author Mohammad Ali Ejeii
author_facet Mohammad Ali Ejeii
author_sort Mohammad Ali Ejeii
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description In his book Asas al-ightibas Tusi speaks of a group of logicians who maintain that modality can be applied in order to modalize the quantity of a proposition. The standard view maintains that in a modalized proposition the modal term can only qualify the relation of the predicate to the subject. Avicenna has argued for the first thesis, and a group of well-known logicians followed him. Tusi disagreed. As Tusi precedes some of these logicians the question remains unsettled. The purpose of this article is to articulate the thesis first, and then to discuss Avicenna's reason for proposing it. The article argues that the data he offers in support of his thesis can be interpreted differently, and thus, it is argued that the thesis remains unjustified.
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spelling doaj.art-782df6475e1149a3a276ed81cf240cf92023-12-18T10:36:32ZfasAllameh Tabataba'i University Pressحکمت و فلسفه1735-32382476-60382008-09-014159110110.22054/wph.2008.57555755Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic TraditionMohammad Ali Ejeii0Professor of Philosophy, University of IsfahanIn his book Asas al-ightibas Tusi speaks of a group of logicians who maintain that modality can be applied in order to modalize the quantity of a proposition. The standard view maintains that in a modalized proposition the modal term can only qualify the relation of the predicate to the subject. Avicenna has argued for the first thesis, and a group of well-known logicians followed him. Tusi disagreed. As Tusi precedes some of these logicians the question remains unsettled. The purpose of this article is to articulate the thesis first, and then to discuss Avicenna's reason for proposing it. The article argues that the data he offers in support of his thesis can be interpreted differently, and thus, it is argued that the thesis remains unjustified.https://wph.atu.ac.ir/article_5755_5536d9cdd7cd0edb3c01c05628cbfea4.pdfmodalization of the quantifiermodalization of the copulaavicenna
spellingShingle Mohammad Ali Ejeii
Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
حکمت و فلسفه
modalization of the quantifier
modalization of the copula
avicenna
title Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
title_full Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
title_fullStr Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
title_full_unstemmed Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
title_short Modalization of the Quantifier, and Modalization of the Copula: an Investigation into the History of Logic in Islamic Tradition
title_sort modalization of the quantifier and modalization of the copula an investigation into the history of logic in islamic tradition
topic modalization of the quantifier
modalization of the copula
avicenna
url https://wph.atu.ac.ir/article_5755_5536d9cdd7cd0edb3c01c05628cbfea4.pdf
work_keys_str_mv AT mohammadaliejeii modalizationofthequantifierandmodalizationofthecopulaaninvestigationintothehistoryoflogicinislamictradition