Abu al-Saqr Abd al-Aziz ibn Uthman ibn Ali al-Qabisi, generally known asAl-Qabisi, (Latinised asAlchabitius orAlcabitius), and sometimes known asAlchabiz,Abdelazys,Abdilaziz (Arabic: 'Abd al-Azîz, عبدالعزيز القبيصي), (died 967) was a Arab Muslimastrologer,astronomer, andmathematician.
Originally from Qabisa inIraq,[1] Alchabitius later went toAleppo where he worked for and lived in the palace ofSayf al-Dawla. He died in 967.[2]
Al-Qabisi is best known for his treatise onjudicial astrology,Introduction to the Art of Judgments of the Stars.[2] This was dedicated to the Emir of Aleppo, Prince Sayf al-Dawla,[3] and survives in at least twenty-five Arabic manuscripts, and over two hundred manuscripts of its Latin translation, with twelve printed editions of the Latin work between 1473 and 1521.[3]: 1 The Arabic text has received at least three Latin translations, which attracted several commentaries and were, in turn, translated into other European languages. In the 12th century it was translated byJohannes Hispalensis.[4] In 1512 it was published byMelchiorre Sessa inVenice.[2] The 1473 copy, and others up until 1521, features writing about Al-Qabisi byJohn of Saxony,[2][5] who commented hisastrological works.[4]
Al-Qabisi wrote a modest book onarithmetic, "Risala fi anwâ' al-‘adad" (Treatise on the kinds of numbers), in which he discussesEuclid'sperfect numbers and how to form them, andThābit ibn Qurra's theorem onamicable numbers.[6]
Other works include:[1]
The belief in the power of stars dated back to Alexandrinian sect ofiatromathematicians and the more ancient cult ofHermes Trismegistos.[4]
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