 Porphyry. The Isagoge, already known to some extent through a compendium of Aristotelian logic ascribed to Ibn al-Muqaffaʿ, was translated by Abu ʿUthman  al-Dimashqi.[79]  This is the only writing by Porphyry whose Arabic translation is extant; other translations are mentioned in the bio-bibliographical sources or otherwise attested by Arab authors. These sources mention an Introduction to the Categorical Syllogisms translated by Abu ʿUthman  al-Dimashqi.[80]  A commentary on the Categories is recorded in the K.  al-Fihrist[81]  and served as a source for Ibn  Suwar’s[82]  “edition” of Hunayn’s translation of the Categories (Elamrani Jamal 1989, 511). A commentary on the Physics, lost in Greek, is also  mentioned.[83]  A translation of the commentary on the Nicomachean Ethics, lost in Greek, is attributed to Ishaq ibn  Hunayn.[84]