Isagoge: A Classical Primer on Logic
Al-Abhari, Athir Al-Din / Salem, Feryal
Athīr al-Dīn al-Abharī's (d. 663/1265) Isagoge is one of the most important logic texts produced in the Islamicate world, this concise summary (matn) outlines the basic elements of logic and includes topics such as the identification of proper definitions, valid syllogisms, and logical fallacies. It has been an essential text of school curricula since its inception in the thirteenth century, making it one of the oldest works in continual use s...