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Work · Philosophy in the Islamic World

The Book of Healing (Kitab al-Shifa)

c. 1027 · by Ibn Sina (Avicenna)

An encyclopedia from logic to metaphysics – with the distinction between essence and existence.

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Introduction

The largest of Avicenna’s philosophical works, an Arabic encyclopedia in four parts: logic, natural philosophy (including psychology), mathematics (geometry, arithmetic, music and astronomy) and metaphysics. The title refers to the healing of the soul from ignorance. Avicenna does not comment on Aristotle line by line but reorganises the material in his own order and with his own arguments. The psychology contains his “floating man” thought experiment. Parts were translated into Latin in Toledo in the twelfth century, among them the books on the soul and on metaphysics, and influenced scholastics such as Albert the Great and Duns Scotus. Later Islamic philosophy and theology took the Shifa as a reference work.

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