ABSTRACT
This chapter focuses on theses in the age-old debate between ideas and social realities or history. The distinction between infrastructure, superstructures and ideology is not a distinction between material reality and immaterial reality. It is between functions, and not a distinction based on substances or institutions, whether material or otherwise. The chapter analyses the most material aspect of social realities, the forces of production available to a society for the purpose of acting upon the surrounding nature we observed that these contained two intimately interwoven components: a material element and an idel element. It explains four functions of thought: to present any kind of reality, to interpret what is presented, to organize on the basis of this interpretation, to legitimize or illegitimize the existing social and/or cosmic order. The chapter explains the problem of the foundations of the dominance of non-economic structures.
