 These passages cannot be precisely dated and his correspondence with Carroll for the relevant period is lost, so one cannot tell who framed the paradox first (Moktefi 2007, chap. V, sect. 3.1). They were both anticipated, however, by Bernard Bolzano, who already stated the paradox in his Wissenschaftslehre (1837) and provided a similar diagnosis (Bolzano 1972, § 199). (For a discussion, see Marion (2016).) Interestingly, Cook Wilson’s diagnosis is linked to his own views on the apprehension of universals via their particularizations (see the previous section):