Being externalities they are indifferent towards one another, and have none of the necessity for one another which is supposed to lie in the relation of what is outer to what is inner.
Kanpokotasunak diren aldetik elkarrekin axolagabe jokatzen dute eta kanpoko-denaren eta barneko-denaren arteko harremanean izan beharko genukeen elkarrekiko beharrezkotasunik ez dugu.