A Habilitationsschrift de Heidegger: as categorias e a doutrina da significação em Duns Escoto

The aim of our study is, at first, to explain the framework of the Scotusbuch as a starting point for reflection on the reasons that lead Heidegger interest in the medieval scholastic speculation,in one of his early academic work. We intend, above all, show how the design of your Habilitationsschrift it can us shed light on the genesis of Heidegger's thought, and allows us to assess the significance of this to the genesis and evolution of Heidegger's thought. Then, we make a reading of the first part of Scotusbuch, exposing some essential features of the categories in the formal framework of Scotus speculation by focusing our analysis on the issue of Categorical Key logical reading, and ontological theory of meaning.