 Let us note that a long-ignored and challenging further puzzle for conflicting obligations, sometimes called “van Fraassen’s Puzzle” and inspired by van Fraassen 1973 has deservedly received increased attention: Horty 1994, 2003; van der Torre and Tan 2000; McNamara 2004a; Hansen 2004; and Goble 2005. For a brief general overview, see Section 8.4 of Hilpinen and McNamara 2013.