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Al-Ḫūnaǧī on essentialist and externalist propositions and inferences from the impossible

Bibliographic Data

ID21335200
AuthorsBehnam Zolghadr (0000-0002-5571-6845, Ludwig-Maximilians-Universität München, corresponding author)
Year2024
Pages1-30
Publication date2024-02-09
Open AccessYes
TypeARTICLE
VenueInquiry (JOURNAL)
Journal identifiersISSN: 0020-174X • E-ISSN: 1502-3923
PublisherInforma UK Limited (PUBLISHER • GB)
DOI10.1080/0020174x.2024.2309872
OpenAlexW4391718589
LanguageEN
Citations received1
References cited6

Afḍal al-Dīn al-Ḫūnaǧī (d. 1248) is one of the most influential Arabic logicians who departed from and argued against Avicenna in various places in his logical works. This paper is about al-Ḫūnaǧī’s account of inferences from the impossible. In this paper, we will overview his formulation of inferences about three main occurrences of impossibility in logic and language: propositions with impossible subjects, syllogism about impossible situations, and implications from a contradictory pair. All these are based on a distinction between two ways of reading the subject term of a proposition which al-Ḫūnaǧī borrowed from Fakhr al-Dīn al-Rāzī, namely the essentialist and the externalist. Later Arabic logicians raised a crucial objection to al-Ḫūnaǧī’s account of the essentialist reading. They argued that all universal propositions are false in this reading. If that is true, many of al-Ḫūnaǧī’s proofs will be trivially valid and redundant. I will argue that the falsity of these propositions does not preclude their truth

Epistemology · Essentialism · Externalism · Islamic Studies and History · Islamic Thought and Society Studies · Medieval and Classical Philosophy · Philosophy

  • Propositions with Negative Predicates in Arabic Logic

    Open Access•Yusuf Daşdemir•History and Philosophy of Logic•2026

  • Abharī on the Logic of Conjunctive Terms

    Open Access•Paul Thom•Arabic Sciences and Philosophy•2010

  • Afḍal al-Dīn al-Khūnajī (d. 1248) on the Conversion of Modal Propositions

    Tony Street•Oriens•2014

Citations per year1
Citation span2026 - 2026 (1)
Highly citedNo

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