… These are normative issues we should clearly separate from description and explanation
(the main activities in, for example, physics and the social sciences) and from interpretation (such
as in literary and cultural sciences).The core of legal science is the behaviour of the homo
juridicus.… I believe the question about the proper methodology of normative legal
scholarship can only be answered by reference to the core of the normative approach. This
core is that, in finding what normatively belongs, there is not one objective truth. As Rubin …