1. The state of the question. Philosophy has revolved about the notion of being since the beginning. And here a fundamental distinction stands out, that between beings and being. Every thing and every man is a being, as that which is; but being is the ground by which all beings are or a being is. For this distinction Heidegger chose the term of the “onto-logical difference”, since it distinguishes being from each being (ὂν), as its ground (λόγος). In infra-hum…