Gramsci’s reflections on dialectics in his Prison Notebooks emerge from his twin criticisms of Bukharin and Croce. Tracing the sources of Gramsci’s conception of the dialectic, I examine his distinctive articulation of the relationship between structure and superstructures, arguing for its foundation in his “homogeneous circle” of philosophy, politics and economics. This re-articulation of the ‘philosophy of praxis’ illustrates the potential for dialogue between Gramsci and more recent thinkers