The substantive content of a given agent's reasons is a function of that agent's particular, contingently given, evaluative starting points

The case for Humean constructivism rests on the alleged inadequacy of competing views: “it is what we are forced to by the untenability of realism plus the failure of Kantian versions of metaethical constructivism” (Street 2010: 371). Humean constructivism denies that normative truths are independent of the deliverances of practical reasoning (Bagnoli 2002: 131; Street 2008a, 2010, 2012; Velleman 2009; Lenman 2010, 2012). To this extent, Humean constructivism builds on the Kantian insight that n