Opposizione reale, contraddizione logica e contraddizione dialettica. Il dibattito fra Lucio Colletti ed Emanuele Severino

Originally conceived as a paper to be held in a conference, this essay complete Adalberto Coltellucio’s reconstruction of the debate about the notions of contradiction in the Italian interpretation, taking into account the debate between Lucio Colletti and Emanuele Severino occured at the end of 1970s and the early 80s about the nature of dialectics, the real and (or) logical contradiction, the principle of non-contradiction.