Yusuf al-Mu'taman ibn Hud
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Yusuf ibn Ahmad al-Mu'taman ibn Hud was an Arab mathematician and a member of the Banu Hud family, al-Mutamin ruled Zaragoza from 1082 to 1085. He was the son of the previous ruler, Ahmad ibn Sulayman al-Muqtadir.He also wrote Kitab al-Istikmal (Arabic,كتاب الإستكمال, Book of Perfection) in mathematics.

