Abstract

In this article we would like to scrutinize the particular problems which are connected with the self-reflection of theoretical thinking and its meaning. Often, philosophy is considered as the science of science. In philosophy the demarcation between true knowledge and sheer belief or opinion must be justified. One could say that this task is as old as Western philosophy itself. Since Greek philosophy one of the main questions is how we can know the truth and how we are able to discern true from alleged knowledge.