Thus a “well-ordered political system as a fair system of co-operation over time from one generation to the next” is designed on the basis oftwo rules.1. Each person has the same indefeasible claim to a fully adequate scheme ofequal basic liberties, which scheme is compatible with the same scheme ofliberties for all.2. Social and economic inequalities are to satisfy two conditions: first, they areto be attached to offices and positions open to all under conditions of fairequality of opportunity; second, they are to be to the greater benefit of theleast-advantaged members of society