As life world the world has, even prior to science, the same structures that the objective sciences presuppose in their substruction of a world which exists in itself and is determined through truths in themselves (this substruction being taken for granted due to the tradition of centuries); these are the same structures that they presuppose as a priori structures and systematically unfold in a priori sciences, sciences of the logos, the universal methodical norms by which any knowledge of the world existing in itself, objectively must be bound.