The actual existence of things outside the soul is not always required for a (affirmative) proposition (here understood as a statement-making sentence) to be true (NLP II.7, 381). Nonbeing can be understood as being not yet actual but in potency only, that is, that has an aptitude to exist in actuality.[24] About those things that can but do not yet exist outside the soul, existence is taken to refer to the (common) nature and not to the individual (NLP II.7, 379): when animal is predicated of