"Philosophers, lawyers, political, and social theorists debate normative concepts such as democracy, justice, human rights. Concepts are fundamental to description. Hence for anthropology, ethnography, grounded theory and similar methodologies developing concepts is a core theoretical and empirical activity. Concepts are thus core in causal theories, normative philosophy and empirical description. This book provides a unified framework for working with, constructing, and evaluating concepts that applies in these different domains"--