The practice of value / Joseph Raz ; with commentaries by Christine M. Korsgaard, Robert Pippin, Bernard Williams ; edited and introduced by R. Jay Wallace.
Introduction / R. Jay Wallace -- -- The thesis : Social dependence without relativism / Joseph Raz -- Implications : The implications of value pluralism / Joseph Raz -- Change and understanding / Joseph Raz -- -- The dependence of value on humanity / Christine M. Korsgaard -- The conditions of value / Robert Pippin -- Relativism, history, and the existence of values / Bernard Williams -- -- More on explaining value : replies and comparisons / Joseph Raz