Organon - Prior Analytics (Summarized Edition)

Prior Analytics, the cornerstone of the Organon, offers the earliest systematic theory of deductive inference. In lapidary, schematic prose, Aristotle defines terms, classifies propositions (A, E, I, O), and demonstrates how syllogisms yield necessity from a middle term across three figures and many moods, with reductions to first-figure 'perfect' forms. He develops conversion rules, proofs by ect...