What is it to have a right? Previous answers to this question can be divided into two groups. Some (e.g., Joseph Raz) hold interest/benefit theories of rights while others (e.g., H.L.A. Hart and Carl Wellman) hold choice/will theories of rights. The Concept of Rights defends an alternative to both of the traditional views, the justified-constraint theory of rights. On this view, a person has a right if and only if a feature of that person is a sound justification for others to have a particular sort of normative constraint.
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