  Even if one does not find this sort of appeal to psychology implausible, the non-reductive realists would seem to have a more satisfying reply to our original question. For they can say that the reason we represent relational situations as distinct from non-relational situation is because they are distinct. Indeed, non-reductive realists can add that the logical incompleteness of predicates such as ‘taller’ (and its correlative, ‘shorter’) calls our attention to precisely what makes these situations distinct—namely, the sui generis accidents that are possessed by Simmias and Socrates in addition to their respective heights.