sentences:  Starting out from these premises, Bahnsen found Hegel's idea of the dialectic appealing.The dialectic explained the ingrained opposition of the world with itself in a cycle of perpetual conflict (as Heraclitus had observed in his fragments centuries earlier).However, Bahnsen believed that Heraclitus's postulate of an underlying Logos and Hegel's idea of the rational spirit had misled them and had contaminated Hegel's formulation of the dialectic with progressivism and historicism.