In this book the author examines the notion of a "right" and its relation to other moral, legal, and political notions, which often accompany it. In stressing the variety of things to which we are said to have rights, he aims to free the analysis of the notion from the narrow restrictions to which many philosophers and jurisprudents confine it. By examining in close detail the logical and linguistic features, not only of "a right" but also for "liberty",...