Natural Law is a long-standing and widely influential theory in ethics and legal philosophy. Because of its long and varied history, and the diversity of definitions of the term "natural," it is somewhat difficult to summarize exactly what makes a position or methodology one of natural law—at least in such a way as to neatly include all the positions and methodologies that have gone by that name. In attempting to establish a broad set of characteristics such a theory would have to possess in order to be considered natural law, it is useful then to look at the historical development of paradigmatic theories, paying attention to David Hume's advice that when trying to understand a discourse that employs the concept of "nature," we must consider what the concept is contextually being opposed to, and "the opposition will always discover the sense, in which it is...