Vol. 20 (2023)

Published: 2023-12-05

Articles

al-Ashraf ̔Umar’s Tabṣira, Chapter xxiii: Timekeeping at Night by the Moon in 13th-Century Yemen and Beyond

Razieh S. Mousavi, Petra G. Schmidl
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The Tanbīh al-anām ̔alā mā yaḥduthu fī ayyām al- ̔ām (Warning to humanity about what happens during the days of the year) by ̔Abdu ̓ l-Raḥmān al-Jādirī (777/1375–818/1416)

Emilia Calvo, Montse Díaz-Fajardo
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Sources of the Planetary Theories in Fahhād’s ̔Alā ̓ī zīj: Solving a Medieval Case of Intellectual Fraud

S. Mohammad Mozaffari
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Reviews