The structure in which Hornaday casts his “fuzzy set” approach is one that deliberately avoids classification in a specific sense. Thus, an activity is identified along three axes be-tween zero and unity, and judgment about each is reserved to the degree of whether “a particular activity is enough” along the axis (figure 8.3). In this context, as with the measuring score introduced in the movie 10, the “fuzzy set” is a purely subjective evaluation. It does, nonetheless, convey a valuation process the offers an interesting point of departure for ex-