Abstract

In trying to decide between two choices, I might try to compare them in order to determine which alternative is better with respect to some appropriate choice value. But could it happen that the two choices fail to compare? Much of the debate about this question has centred on the issue of whether the items could be incomparable. If they are incomparable, then they fail to compare with respect to the relevant choice value. However, what has largely been neglected is the possibility that the choices fail to compare by instead being noncomparable. If they are noncomparable, then they are not covered by any appropriate choice value, such that the formal preconditions for a comparison does not obtain. This paper argues that the concept of noncomparability may be at least as important as that of incomparability for explaining why choices fail to compare, if they do.