La introduzione alla filosofia di Martin Heidegger

The text of the lessons of M. Heidegger analyzed here brings to light some aspects of the project of fundamental ontology that mark an evolution with the respect to his position in «Being and time». On the one hand, the programmatic role assumed by cosmological requirements emerges, and, on the other hand, in a line of continuity with «Sein und Zeit», his existential characterization of the notion of world is re-proposed. In the lessons of 1928-29, this second point of view prevails, while in the lessons of the winter 1929-30 («Die Grundbegriffe der Metaphysik») he heads toward a revision of the presuppositions of fundamental ontology in the direction of a cosmological foundation for the ontological constitution of the existent