
Functional Elements and the Functional Domain n 61
operator, ⊕, and interactions between elements of different maximal sets, by the at-
first paradoxical statement that combining elements within a maximal set increases
the level of detail of the description of the functionality of the corresponding physi-
cal object, but does not change the functionality.
e intersection of maximal sets contains those aspects common to their maxi-
mal elements. In chapter 2 it was suggested that all maximal sets have one element
in common, the functionality of return on investment. Any two maximal sets must
differ in their maximal elements plus at least one other ...