Stefano Petrucciani is Professor of Political Philosophy at the University of Rome La Sapienza, Italy. His books include: Introduzione a Habermas, (2000), Modelli di filosofia politica (2003), Introduzione a Adorno (2007), Democrazia (2014), Storia del marxismo (2015), Marx critique du libéralisme (2018), Politica. Una introduzione filosofica (2020), and The Ideas of Karl Marx (2020).

1. Introduction.- 2. An Idea of Philosophy.- 3. What Is the Meaning of 'Negative Dialectics'?.- 4. Dialectics and Metaphysics.- 5. An Outdated Philosophy? Adorno's Social Critique.- 6. The Concept of Domination.- 7. Is Marx Obsolete?.- 8. The Decay of the Individual.- 9. The Role of the Media and the Manipulated Democracy.- 10. Aesthetic Theory and Critical Praxis.- 11. Adorno's Engagement with Cultural Criticism.- 12. Myth and Civilisation: Adorno's Reading of Goethe's Iphigenia.- 13. Adorno, Habermas, and the Self-Criticism of Modernity.