Pareto explicitly says that you have to keep identities intact, because the definition stipulates that w1 and w2 “contain the same people.” If you don’t preserve identities, you can’t verify that that condition is met, in which case Pareto isn’t applicable.
Pareto explicitly says that you have to keep identities intact, because the definition stipulates that w1 and w2 “contain the same people.” If you don’t preserve identities, you can’t verify that that condition is met, in which case Pareto isn’t applicable.