Being metaphysical it must be synthetic and cognised a priori from conceptions, but it may also be any one of the most indispensable principles, as for instance, the principle of the persistence of substance, or of the necessary determination of events in the world by their causes.
eta, beraz, behartuta gelditzen da, aitortzera, nire kritikako printzipioak zuzenak direla, edo bestela horien baliorik eza frogatzera.