In light of these implications of well-known theories of law for how to defend theories of legal interpretation, it’s worth returning to the kinds of arguments that theorists of legal interpretation in fact offer to support their preferred accounts. As already noted, normative arguments are probably the most common. The typical argument is that a method is supported by a certain value – democracy or fairness, for example – because the method treats sources of law as contributing to the law in the way that that value requires.