The New International Encyclopædia/al-Kindi, Abu Yusuf Ya‘ḳub ibn Isḥak
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AL-KINDI, ȧl-kēn'dḗ, or ALCHINDIUS, ăl-kĭn'dĭ-ŭs, Abu Yusuf Ya‘ḳub ibn Isḥak al-Kindi. An Arabian philosopher, who flourished in the ninth century. He wrote more than two hundred treatises on almost everything within the range of the philosophy and science of his time. By the Arabs themselves he is viewed as the Peripatetic philosopher in Islam. Of his many works, but a few on medicine and astrology remain. Consult the study by Flügel (Leipzig, 1857), and A. Nagy, Die philosophischen Abhandlungen des al-Kindi (Münster, 1897).