 What now is the appropriate decision rule to be used to choose principles of justice under conditions of complete uncertainty of probabilities in Rawls’s original position? Rawls argues that, given the enormous gravity of choice in the original position, plus the fact that the choice is not repeatable, it is rational for the parties to follow the maximin strategy when choosing between the principles of justice and principles of average or aggregate utility (or most any other principle). Not surprisingly, following the maximin rule of choice results in choice of the principles of justice over the principles of utility (average or aggregate); for unlike utilitarianism, justice as fairness guarantees equal basic liberties, fair equal opportunities, and an adequate social minimum for all citizens. 