 Furthermore, Avicenna’s flavor of Aristotelian foundationalism, i.e., the view that in every science there are first principles on which everything else depends and which do not depend in turn on anything else, is expressed in terms of the need for (i) immediate assertions (taṣdīqāt) that are not grounded on further assertions and (ii) for the conceptions (taṣawwurāt) of primitive notions.