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  1.  13
    The Liar Paradox in Fifteenth-Century Shiraz: The Exchange Between Ṣadr Al-Dīn Al-Dashtakī and Jalāl Al-Dīn Al-Dawānī.Khaled El-Rouayheb - 2020 - British Journal for the History of Philosophy 28 (2):251-275.
    ABSTRACTTwo rival scholars from Shiraz in Persia, Dawānī and Dashtakī engaged in a bitter and extended dispute over a range of metaphysical and logical issues. One of these was the liar paradox. Their debate on this point marked the most extensive scrutiny of the paradox in Arabic until that time. Dashtakī’s solution was to deny that the statement ‘What I say is false’ is true or false, on the ground that there is one statement and one application of the falsity (...)
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  2. Impossible Antecedents and Their Consequences: Some Thirteenth-Century Arabic Discussions.Khaled El-Rouayheb - 2009 - History and Philosophy of Logic 30 (3):209-225.
    The principle that a necessarily false proposition implies any proposition, and that a necessarily true proposition is implied by any proposition, was apparently first propounded in twelfth century Latin logic, and came to be widely, though not universally, accepted in the fourteenth century. These principles seem never to have been accepted, or even seriously entertained, by Arabic logicians. In the present study, I explore some thirteenth century Arabic discussions of conditionals with impossible antecedents. The Persian-born scholar Afdal al-Dīn al-Kh najī (...)
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  3.  1
    The Oxford Handbook of Islamic Philosophy.Khaled El-Rouayheb & Sabine Schmidtke (eds.) - 2016 - Oxford University Press USA.
    The study of Islamic philosophy has entered a new and exciting phase in the last few years. Both the received canon of Islamic philosophers and the narrative of the course of Islamic philosophy are in the process of being radically questioned and revised. Most twentieth-century Western scholarship on Arabic or Islamic philosophy has focused on the period from the ninth century to the twelfth. It is a measure of the transformation that is currently underway in the field that, unlike other (...)
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  4.  56
    Post-Avicennan Logicians on the Subject Matter of Logic: Some Thirteenth- and Fourteenth-Century Discussions.Khaled El-Rouayheb - 2012 - Arabic Sciences and Philosophy 22 (1):69-90.
    In the thirteenth century, the influential logician Afḍal al-Dīn al-Khūnajī departed from the Avicennan view that the subject matter of logic is “second intentions”. For al-Khūnajī, the subject matter of logic is “the objects of conception and assent”. His departure elicited intense and sometimes abstruse discussions in the course of subsequent centuries. Prominent supporters of Khūnajī's view on the subject matter of logic included Kātibī, Ibn Wāṣil and Taftāzānī. Defenders of Avicenna's view included Ṭūsī, Samarqandī and Quṭb al-Dīn al-Rāzī. This (...)
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  5.  14
    Logic in the Arabic and Islamic World.Khaled El-Rouayheb - 2011 - In H. Lagerlund (ed.), Encyclopedia of Medieval Philosophy. Springer. pp. 686--692.
  6.  6
    Mixed Conditional-Categorical Syllogisms From Avicenna to Urmawī.Khaled El-Rouayheb - forthcoming - History and Philosophy of Logic:1-19.
    A number of medieval Arabic logicians discussed inferences that combine the principles of propositional and term logic, for example: Whenever H is Z then Every J is DNo D is AWhenever H is Z then S...
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  7.  12
    Ottoman Puritanism and its Discontents: Aḥmad Al-Rūmī Al-Āqḥiṣārī and the Qāḍīzādelīs By Mustapha Sheikh.Khaled El-Rouayheb - 2019 - Journal of Islamic Studies 30 (2):244-246.
    Ottoman Puritanism and its Discontents: Aḥmad al-Rūmī al-Āqḥiṣārī and the Qāḍīzādelīs By SheikhMustapha, ix + 191 pp. Price HB £65.00. EAN 978–0198790761.
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  8. Relational Syllogisms and the History of Arabic Logic, 900-1900.Khaled El-Rouayheb - 2010 - Brill.
    Relational inferences are a well-known problem for Aristotelian logic. This book charts the development of thinking about this problem by logicians writing in Arabic from the ninth to the nineteenth century. It shows that that the development of Arabic logic did not - as is often supposed - come to an end in the fourteenth century.
     
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  9. The Development of Arabic Logic.Khaled El-Rouayheb - 2018 - Basel, Switzerland: Schwabe.
    Recent years have seen a dramatic change in scholarly views of the later career of Arabic and Islamic philosophy. For much of the twentieth century, researchers tended to dismiss the value of Arabic writings on philosophy and logic after the twelfth century, often on the basis of the prejudice that handbooks, commentaries and glosses are of necessity pedantic and unoriginal. This assumption has now been abandoned. As a consequence, a vast amount of later Arabic writings on philosophy and logic, hitherto (...)
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