Dentro del viaje constitucional europeo

This paper analyzes the European constitutional journey with the Habermasian concepts of solidarity and social integration. An analysis of the concept of constitution and of the European (economic) treaties reveals the lack of social integration as an obstacle to further economic integration. The aim is to link social justice and democracy at European constitutional level on the common basis of equality. From this perspective, the goal is to demonstrate the need for a constitutionalization with a strong democratic and social imprint because of the kind of solidarity which is embodied in the social rights