Proclus

In Proclus' penetrating exposition of Euclid's methods and principles, the only one of its kind extant, we are afforded a unique vantage point for understanding the structure and strength of the Euclidean system. A primary source for the history and philosophy of mathematics, Proclus' treatise contains much priceless information about the mathematics and mathematicians of the previous seven or eight centuries that has not been preserved elsewhere. This is virtually the only work surviving from antiquity that deals with what we today would call the philosophy of mathematics.

Glenn R. Morrow (1895-1976) was Professor of Classics at the University of Pennsylvania Ian Mueller is Professor of Philosophy and the Conceptual Foundations of Science at the University of Chicago