“…See van Roojen (2018),Blackburn (2006), and Schroeder (2010, esp. Ch.2) for more on Moral Noncognitivism.7 For further contemporary discussions on the distinction between internal and external questions, as well as on the debate between Carnap and Quine on metaphysics seeBird (1995),Yablo (1998),Alspector-Kelly (2001),Eklund (2013),Verhaegh (2017),Verhaegh (2018),Morris (2018) andFlocke (2018). Blatti and Lapointe (2016) is a comprehensive collection of essays on Carnap's overall approach on ontology and metaphysics.…”