LOGIC

First of all, in the fourth book of his Metaphysics, Aristotle undertakes to state and discuss the "principles" -- namely, non-contradiction and the excluded middle. (Aristotle made explicit use of the principle of identity in his logic, but never made it the object of a similar study.) Next we have a number of analyses of concrete entities. Of these the most conspicuous are the doctrine of act and potency and the table of the categories (also studied in the Organon, but obviously belonging to the "first philosophy"). The last named could be and has often been viewed as a classification of entities. But it seems more consistent with Aristotle's thought to consider it as a sort of analysis of a concrete entity into its various aspects. (...)... History of Logic: an annotated guide with selected bibliographies and a focus on the relationship with logic and ontology

Also known as: History of Logic