16. The medium set forth in claim 11 wherein: a transformation function is associated with the set of terms; and in the altering of one or more values, when a term in the constrained object is no longer contained in the different set of terms using the transformation function to replace the term in the constrained object with one of the terms in the different set of terms.
17. The medium set forth in claim 16 wherein the transformation function returns more than one term in the different set of terms that replaces the term in the constrained object and the instructions further comprises: selecting one of more than one terms to replace the term in the constrained object.