Most of these writings...

Most of these writings, however, are still in manuscript; and a great many of these manuscripts are not yet available.[^9] The second category of his works deals with the other branches of philosophy, physics, mathematics, metaphysics, ethics, and politics. A good part of it is available, and it gives a clear idea of the various aspects of al-Farabi's philosophy.

But some of it is doubtful and his authorship of it is a subject of controversy, as in the case of Fusus al-Hikam (Gems of Sageness) or al-Mufariqat (Separateness).[^10] In this; category, no really scientific study was attempted; al- Farabi did not even mention medicine, and his discussion of chemistry was rather in the nature of a defence than in the…