High Quality Content by WIKIPEDIA articles Najm al-Dīn al-Qazwīnī al-Kātibī (died AH 675 / 1276 CE) was a Persian Islamic philosopher and logician of the Shafi i school. A student of Nasir al-Din al-Tusi, he is the author of two major works, one on logic, Al-Risala al-Shamsiyya, and one on metaphysics and the natural sciences, Hikmat al-'Ain.
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