Uno scritto inedito di Yaḥyā ibn ʿAdī. Materiali di scuola nel circolo aristotelico di Baġdād (X secolo)

This article introduces the short treatise by Yaḥyā ibn ʿAdī entitled On the explanation of the fact that both number and relation have essences that exist in numbered objects and relative things and their existence is not only in the imagination (Maqāla fī Tabyīn anna li- l-ʿadad wa-l-iḍāfa ḏātayn mawǧūdatayn fī l-maʿdūdāti wa-l-muḍāfāt wa anna laysa wuǧūduhumā fī-l-tawahhum faqaṭ). After a brief introduction to the author, the text is edited, translated and framed in the context of the scholastic tradition that links Late Antiquity to the philosophical activity of the Baġdād Aristotelian Circle in the 10th century. A bibliographical update on the author and his works is included in the appendix.