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(born 980, Bukhara, Irandied 1037, Hamadan) Islamic philosopher and scientist. He became physician to several sultans and also twice served as vizier. His Canon of Medicine was long a standard work in the field. He is known for his great encyclopaedia of philosophy, The Book of Healing. His other writings include The Book of Salvation and The Book of Directives and Remarks. His interpretations of Aristotle influenced European Scholasticism. His system rests on a conception of God as the necessary existent: only in God do essence (what God is) and existence (that God is) coincide.
Variants of AVICENNA
Avicenna Arabic Ibn Sina in full Abu 'Ali al-Husayn ibn 'Abd Allah ibn Sina
This entry comes from Encyclopædia Britannica Concise. For the full entry on Avicenna, visit Britannica.com.