The theme of this dissertation is the relation between freedom and justice. I approach this theme by studying the relation between freedom and justice in the philosophies of Rousseau and Kant. I argue that the moral and political philosophies of Rousseau and Kant can be understood in terms of the interplay between the norms of moral freedom and liberty, and I show how they have different understandings of the relation between these norms, and, therefore, offer two different views on the relation between freedom and justice. I identify three basic contrasts. First, there is a difference in the kind of freedom that they think is the primary concern of justice: Rousseau thinks justice is primarily about moral freedom, while Kant thinks that it...