 Metaphysics follows physics. It is not easy to assess al-Fârâbî’s understanding of metaphysics. The very brief treatise, The Aims of Aristotle’s Metaphysics, insists that, contrary to what most people assume, metaphysics is not a theological science but rather investigates whatever is common to all existing beings, such as being and unity. McGinnis and Reisman provide a full English translation in their Classical Arabic Philosophy (2007: 78–81). In 1989 Muhsin Mahdi published the Arabic text of a short treatise On One and Unity. It is still untranslated but Damien Janos (2017) explained its structure and contents and Philippe Vallat (2019b) studied it. Many passages of The Book of Letters are of great metaphysical import as Stephen Menn (2008) showed. These texts raise the question of the exact relation between logic and metaphysics, as, for instance, both disciplines treat of the categories (see Thérèse-Anne Druart (2007) &amp; Kristell Trego (2018)). Such texts present an Aristotelian outlook focusing on ontology that sharply distinguishes metaphysics from Kalâm and seem to leave limited space for philosophical theology and Neo-Platonic descent in particular.