Levi-Strauss conceived of social structure as logic behind reality. He insisted that the term social structure has nothing to do with empirical reality but with models which are built up after it. While social relations constitute the raw materials out of which the models making up the social structure are built, the structure itself cannot be reduced to an ensemble of social relations rather such relations themselves result from such re-existing structures. The structures exhibit the characteristics of a system and are made up of several elements none of which can undergo change without effecting changes in all other elements.