Quadrivium: The Four Classical Liberal Arts of Number, Geometry, Music, & Cosmology tillyard the most read work in

the most read work in the Muslim world after the Qur’an and considered by many to be the Summa Theologica of Islam

philosophers

focusing on the rise and fall of imperial dynasties

including Hinduism

Quadrivium: The Four Classical Liberal Arts of Number, Geometry, Music, & Cosmology tillyard the most read work inThe quadrivium the classical curriculum comprises the four liberal arts of number, geometry, music, and cosmology. It was studied from antiquity to the Renaissance as a way of glimpsing the nature of reality. Geometry is number in space; music is number in time, and cosmology expresses number in space and time. Number, music, and geometry are metaphysical truths: life across the universe investigates them; they foreshadow the physical sciences.