Shii astronomer and theologian. Author of numerous works, including commentaries on Euclid, extensive commentaries on Ibn Sina's theodicy, and comprehensive texts on logic, astronomy, mathematics, practical ethics, philosophy, theology, and mysticism. Served as an official in the court of Mongol leader Hulagu Khan and used his influence to oust the last Sunni caliph in Baghdad. His major work on Islamic ethics is Akhlaq-i nasiri (The Nasirean ethics); his Tajrid al-itiqadat (Definition of the articles of faith) is his best-known work of Twelver theology.
Subjects: Islam — Philosophy.