Sanad Ibn Ali

Sanad ibn Ali, an astrologer and astronomer. Ibn al-Nadim read, in the handwriting of Ibn al-Jahm, that the book "al-Madkhal" was by Sanad ibn Ali, and that he gave it to Abu Ma'shar, who then claimed it as his own ².

Ibn al-Nadim also attributes to him "al-Tis' al-Maqalat fi al-Mawalid" (The Nine Treatises on Nativities) and a book on conjunctions. Sanad commented on the book of Euclid, and Abu Ali read nine treatises of it and part of the tenth ².