books.google.ca - In Proclus' penetrating exposition of Euclid's method's and principles, the only one of its kind extant, we are afforded a unique vantage point for understanding the structure and strenght of the Euclidean system. A primary source for the history and philosophy of mathematics, Proclus' treatise contains...http://books.google.ca/books/about/Proclus_a_commentary_on_the_first_book_o.html?id=JZEHj2fEmqAC&utm_source=gb-gplus-shareProclus a commentary on the first book of euclid's elements
