Asad Q. Ahmed is the Magistretti Distinguished Professor Middle Eastern Languages and Cultures at the University of California, Berkeley. His works include The Religious Elite of the Early Islamic Hijaz (University of Oxford, 2011) and Palimpsests of Themselves: Logic and Commentary in Postclassical Muslim South Asia (UC Press, 2022).Mohammad Saleh Zarepour is a Senior Lecturer at the Department of Philosophy of the University of Manchester. His works include Medieval Finitism (Cambridge University Press, forthcoming) and Necessary Existence and Monotheism (Cambridge University Press, 2022).Riccardo Strobino is Associate Professor of Classical Studies at Tufts University. His works include Avicenna's Theory of Science: Logic, Metaphysics, Epistemology (UC Press, 2021).

• Notes on ContributorsIntroductionAsad Q. Ahmed, Mohammad Saleh Zarepour and Riccardo StrobinoInterview with Tony Street: A Retrospective1 Al-Fārābī on Future ContingencyMohammad Saleh Zarepour2 ‘Subtraction’ (rafʿ) as Method for Finding First Principles of Demonstrations and for Establishing or Destroying: From Aristotle to al-FārābīCornelia Schoeck3 On Avicenna’s Theory of Conception and Assertion: Towards a Systematic Ambiguity ReadingZhenhyu Cai4 Struggling with the Essentials: A Debate between Avicenna and His Contemporaries on Essentiality and Necessity in DemonstrationsSilvia Di Vincenzo5 Avicenna and as-Suhrawardī on the Flying Man: From the Flying Man to ExistentialismTianyi Zhang6 Al-Kātibī’s Deduction of the PredicablesPaul Thom7 Harmonizing the Sages: Abravanel Reading Maimonides through Avicenna and AverroesDaniel Davies8 As-Suhrawardī’s Stance on Modalities and the Logic of PresenceShahid Rahman and Alioune Seck9 The Logic of Divine Discourse: Fakhr ad-Dīn ar-Rāzī’s Application of Logic to Qurʾānic InterpretationTareq Moqbel10 A Problem with the Wholly Hypothetical Syllogism: Some 13th-Century Arabic DiscussionsKhaled El-Rouayheb11 A 12th Century Attack on Peripatetic Logic: Rashīd ad-Dīn al-Waṭwāṭ’s (d. 1182) Treatise “A Doubt About reductio ad absurdum” and Its AftermathDustin Klinger12 Four Moves to Rule Them All: Qiyās-Dialectic Metatheories and the Ascendancy of Master-Category Objections in Post-Classical Islamic DialecticsWalter Young13 The Negative-Predicate Proposition in Later Arabic LogicAsad Q. Ahmed14 Prolegomena to a Critical Edition of as-Sāwī’s BaṣāʾirOsama Eshera, Fateme Savadi and Robert WisnovskyIndex