Figure e significati del nulla nel pensiero di Heidegger

The essay explores and outlines the forms and meanings of nothingness in Martin Heidegger’s thought. The first form of nothingness is represented by the «existential nothingness», that characterizes Being and Time (1927). The second form of nothingness is the «differential nothing», developed in the Beiträge zur Philosophie. These two conceptions represent the essential moments of the evolution of the concept of nothingness in Heidegger, a concept that escapes the traditional identification with the dimensions of deprivation and lack. While the existential nothingness shows a subjectivist and anthropocentric profile, the differential nothingness expresses an ontology of absence, still actual and worth of being resumed by contemporary thought. In the end, the essay argues that Heidegger’s solution, starting from the Beiträge, to the ontology crisis is original and rich of positive developments for the future, because while it does not appeal to the absolutisation of subjectivity, it also proposes to rethink the Grund as retreat of being.