john rawl's theory of social justice

A book was written by John Rawls in 1971. InA Theory of Justice, Rawls attempts to solve the problem ofdistributive justice(thesocially justdistribution of goods in a society) by utilising a variant of the familiar device of thesocial contract. The resultant theory is known as "Justice as Fairness", from which Rawls derives his two principles of justice:the liberty principleandthe difference principle.