  The second way to respond to the Normativity Objection is to say that moral facts are both natural and normative, in virtue of the fact that normativity itself is a natural phenomenon. This suggestion might also have a feel of absurdity to it. How could normativity be natural? The most popular strategy for substantiating natural normativity is a two-step strategy. First, show that all normative concepts can be analyzed in terms of one, fundamental normative concept. Second, show that that fundamental normative concept picks out a natural property. There are a number of ways that such an account could proceed: here are two recent, influential examples: