The goal of this study is to review the themes of constitutionalism and democracy from procedural and substantial views, making a contrast between Dworkin and Ely. The methodology used was the literature review. Inside of this work, it is presented a brief history of constitutionalism, the concept of judicial review, Dworkin's substantialist view, and Ely's procedural view. At the end of this work, it is made a contrast between proceduralist and substantialist theories, discussing constitutionalism in Brazil. As a conclusion, it was observed that the contemporary constitutionalism has challenges and both proceduralist and substantialist theories bring contributions to obtain a possible answer to the difficulties encountered in the debate between constitutionalism and democracy.
Constitutionalism; Procedural Democracy; Substantial Democracy