The original position (OP) is a hypothetical situation developed by American philosopher John Rawls as a thought experiment to replace the imagery of a savage state of nature of prior political philosophers like Thomas Hobbes. In the original position, the parties select principles that will determine the basic structure of the society they will live in. This choice is made from behind a veil of ignorance, which would deprive participants of information about their particular characteristics: his or her ethnicity, social status, gender and, crucially, Conception of the Good (an individual's idea of how to lead a good life). This forces participants to select principles impartially and rationally.
In social contract theory, persons in the state of nature agree to the provisions of a contract that defines the basic rights and duties of citizens in a civil society. In Rawls's theory, Justice as Fairness, the original position plays the role that the state of nature does in the classical social contract tradition of Thomas Hobbes, Jean-Jacques Rousseau, and John Locke. The original position figures prominently in his 1971 book, A Theory of Justice. It has influenced a variety of thinkers from a broad spectrum of philosophical orientations.
As a thought experiment, the original position is a hypothetical position designed to accurately reflect what principles of justice would be manifest in a society premised on free and fair cooperation between citizens, including respect for liberty, and an interest in reciprocity.
In the state of nature, it might be argued that certain persons (the strong and talented) would be able to coerce others (the weak and disabled) by virtue of the fact that the stronger and more talented would fare better in the state of nature. This coercion is sometimes thought to invalidate any contractual arrangement occurring in the state of nature. In the original position, however, representatives of citizens are placed behind a "veil of ignorance", depriving the representatives of information about the individuating characteristics of the citizens they represent. Thus, the representative parties would be unaware of the talents and abilities, ethnicity and gender, religion or belief system of the citizens they represent. As a result, they lack the information with which to threaten their fellows and thus invalidate the social contract they are attempting to agree to.