Farabbi's philosophy and music theory had a far-reaching influence on later Arab philosophers and European Renaissance philosophers. His main philosophical works include: Complete Works of Knowledge, On Soul, On Reason, Required Reading for Beginners of Philosophy, Analysis of Residents' Stratum in Meide City, Philosophy of Plato and Aristotle, On Politics, Classification of Science, Introduction to Logic, The Road to Happiness, and his musical works include Complete Works of Music. (yankley)