Twenty-five hundred years ago, Pythagoras taught that the simple counting numbers are the basic building blocks of reality. A century and a half later, Plato argued that the world we live in is but a... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.