Abstract
‘Abd al-Laṭīf al-Baġdādī’s _Book on the Science of Metaphysics_ is an important work that contains the influence of both Alexander of Aphrodisias and Themistius in the interpretation of Aristotle. Only chapters 13-16 belong to the Lambda. The limitation results first of all from the main purpose of the work, namely to present a new witness for the reception of Arabic metaphysics. As can be seen from the introduction of the work, the work is conceived as a unified whole and may be meant as a kind of summa of metaphysics, a synopsis of four writings that hold high rank among medieval metaphysical works - especially since 'Abd al-Latif apparently regarded not only the Metaphysics but also his other sources as originating from Aristotle, the First Teacher. This translation includes only the eighth chapter of the Book Lamda.