 The ordinal notion of confirmation is of high theoretical significance because ordinal divergences, unlike purely quantitative differences, imply opposite comparative judgments for some evidence-hypothesis pairs. A refinement from the ordinal to a properly quantitative level is also be of interest, however, and much useful for tractability and applications. For example, one can have 0 as a convenient neutrality threshold for confirmation as firmness, provided that the following functional representation is adopted (see Peirce 1878 for an early occurrence):