Al-Qabīṣī’s Treatise on the Principles of Judicial Astronomy
ʻAbd al-ʻAzīz Ibn ʻUthmān was a famous astrologer, believed, based on a comment in the Fihrist, to have been a contemporary of Muḥammad ibn Isḥāq Ibn al-Nadīm (active 987). He was probably born in al-Qabīṣ, which is a place-name shared by two locations in Iraq, one near Mawṣil, and the other near Sāmarra. He may have been of Persian descent. Al-Qabīṣī’s principal surviving work is al-Madkhal ilā ṣinā‘at aḥkām al-nujūm (Introduction to the craft of [knowing] the judgment of the stars), dedicated to Sayf al-Dawla, the Ḥamdānid ...