 The first formulation of a cantian position appears in Walton 1994. He claims that the reason why imaginers experience difficulties in engaging with a fictional work, say one that involves the proposition, ‘In killing her baby, Giselda did the right thing; after all, it was a girl’ (I will refer to this proposition as G) is that they cannot allow the fictional world to differ morally from the actual world (1994: 37). Walton writes, 