This equal sharing will be justified more rigorously on page 322. Even with smaller numbers of atoms, there is a problem with this kind of brute-force computation, because the tiniest measurement erro...This equal sharing will be justified more rigorously on page 322. Even with smaller numbers of atoms, there is a problem with this kind of brute-force computation, because the tiniest measurement errors in the initial state would end up having large effects later on. This is the same relation as the one on Boltzmann's tomb, just in a slightly different notation.