This commentary of Aquinas on the first book of the Physics of Aristotle is a summary of the thought of the Pre-Socratics and of Aristotle's approach to cosmology. A unit with all cross-references in English, it clarifies the thought of the ancients and of the medieval Aquinas with regard to the philosophy of nature; it presents all of this as a basis for subsequent philosophy of science.
This work can be read by the layman; it can be used...