  In short: a natural law theory of (the nature of) law seeks both to give an account of the facticity of law and to answer questions that remain central to understanding law. As listed by Green 2019 (having observed that “No legal philosopher can be only a legal positivist”), these further questions (which “legal positivism does not aspire to answer”) are: What kinds of things could possibly count as the merits of law? What role should law play in adjudication?  What claim has law on our obedience?  What laws should we have?  And should we have law at all?  All these questions, though organized and articulated a little differently, are under consideration in the present entry.