Abstract

John Finnis says that central cases of the concepts of social theory (such as the concept of law) fully instantiate certain characteristic values (which are instantiated in more-or-less watered-down ways in peripheral cases). Yet the instances of some such concepts (such as the concepts of slavery, of tyranny, and of murder) do not instantiate any value. I propose a solution to this puzzle: the central cases of such concepts focally instantiate certain ills. The central case of a concept essential to social theory may excel in some specific good or in some specific ill, or in neither, or in both. What about law? The central cases of a legal system, or of a law, involve goods that Finnis ascribes to them; I argue that the central cases also involve certain ills. That is the irony of law. Law secures essential goods for a community, and also (and, in fact, by the same token) it incurs certain ills that are necessarily involved in its specific techniques for securing those goods.