To Albalag, Avicenna’s proof of God as Necessary Existent appeared to involve flagrant deviations from Aristotle. Firstly, Avicenna’s procedure for establishing the existence of the First Principle in the science of metaphysics is methodologically incorrect. (Tiqqun n.8: 13–14). Appealing to Averroes, Albalag argues that the existence of the prime mover must be accepted from natural philosophy—not insofar as it is the deity—while metaphysicians proceed therefrom in examining its states and attri