The concept of a right is fundamental to moral, political, and legal thinking, but much of the use of that concept is selective and fragmentary: it is common merely to appeal to this or that intuitively plausible attribution of rights as needed for purposes of argument. In The Realm of Rights Judith Thomson provides a full-scale, systematic theory of human and social rights, bringing out what in general makes an attribution of a right true.

Thomson says that the question what it is to have a right precedes the question which rights we have, and she therefore begins by asking...

Moral theory should be simple: the moral theorist attends to ordinary human action to explain what makes some acts right and others wrong, and we need no microscope to observe a human act. Yet no moral theory that is simple captures all of the morally relevant facts.

In a set of vivid examples, stories, and cases Judith Thomson shows just how wide an array of moral considerations bears on all but the simplest of problems. She is a philosophical analyst of the highest caliber who can tease a multitude of implications out of the story of a mere bit of eavesdropping. She is also...

How should we live? What do we owe to other people? In Goodness and Advice, the eminent philosopher Judith Jarvis Thomson explores how we should go about answering such fundamental questions. In doing so, she makes major advances in moral philosophy, pointing to some deep problems for influential moral theories and describing the structure of a new and much more promising theory.

Thomson begins by lamenting the prevalence of the idea that there is an unbridgeable gap between fact and value--that to say something is good, for example, is not to state a fact, but to do...