Thus we see that a series of bodies, whose difference is expressed as a numerical difference of their specific weights, by no means runs parallel to a series where the difference is constituted by the other properties, even if, for purposes of simplification, we select merely one or some of them.
Ondorioz, gorputzen ilara bat, bereizketa euren pisu espezifikoen zenbaki-bereizketa gisa adierazten duena, ez doa inolaz ere beste ezaugarrien bereizketen ilararen paralelo, nahiz eta, kontua arintzeko, horietako bakana edo hainbat hartu.