It was this work that through its Latin translation had a considerable impact on scholasticism.
It was solicited by Juzjani and his other students in Hamadan in 1016 and although he lost parts of it on a military campaign, he completed it in Isfahan by 1027.
After the death of the later in 1021, he once again sought a patron and became the vizier of the Kakuyid ‘Ala’ al-Dawla for whom he wrote an important Persian summa of philosophy, the .
Based in Isfahan, he was widely recognized as a philosopher and physician and often accompanied his patron on campaign.
Apart from philosophy, Avicenna’s other contributions lie in the fields of medicine, the natural sciences, musical theory, and mathematics.
An arrogant thinker who did not suffer fools, he was fond of his slave-girls and wine, facts which were ammunition for his later detractors.
His relationship with the latter is ambivalent: although accepting some keys aspects such as an emanationist cosmology, he rejected Neoplatonic epistemology and the theory of the pre-existent soul.
However, his metaphysics owes much to the "Amonnian" synthesis of the later commentators on Aristotle and discussions in legal theory and on meaning, signification and being.
Abu ‘Ali al-Husayn ibn Sina is better known in Europe by the Latinized name “Avicenna.” He is probably the most significant philosopher in the Islamic tradition and arguably the most influential philosopher of the pre-modern era.
Born in Afshana near Bukhara in Central Asia in about 980, he is best known as a polymath, as a physician whose major work the ) had a decisive impact upon European scholasticism and especially upon Thomas Aquinas (d. Primarily a metaphysical philosopher of being who was concerned with understanding the self’s existence in this world in relation to its contingency, Ibn Sina’s philosophy is an attempt to construct a coherent and comprehensive system that accords with the religious exigencies of Muslim culture.