%0 Journal Article %A Sadeghi, Masoud , jalali, amir %T A Study of the Views of Three Muslim Philosophers on the Four-Fold Virtues: Ibn Miskawayh, Khwājah Naṣīr al-Dīn Ṭūsī, and Ḥakīm J‘afar Kashfī %J History of Philasophy %V 10 %N 1 %P 153-176 %D 2019 %R %U https://rimag.ir/fa/Article/23404