But whether the principleg that the series of conditions (in the synthesis of appearances, or even in the thinking of things in general) reaches to the unconditioned, has objec tive correctness or not; what consequences flow from it for the empirical use of the understanding, or whether it rather yields no such objec tively valid propositions of at all, but is only a logical prescription in the ascent to ever higher conditions to approach completeness in them and thus to bring the highest possible unity of reason into our cognition