Therefore with the metaphysical requirements of intellection taken for granted, the main epistemological problem shifted to the manner in which the intelligible species was turned into a known object. Zabarella, considering the agent intellect as the divine cause of general intelligibility, could renounce innate principles and retain the Aristotelian teaching of the inductive acquisition of the first principles themselves. But Zabarella had instead the problem of restoring to the human mind an