It is not too clear what a genus-differentia definition of a primary genus such as animal would be . Moreover it is difficult to understand the claim that the definition of the differentia biped is predicated of man [...][1]
We desire a well-chosen genus from among many possibilities and a well-crafted differentia. Analyzing a term to generate a well-formed genus-differentia definition can result in terminology subcomittee meetings that are exciting, edifying and productive.[2]
The information given in the definition of Manchu is, therefore, encyclopedic, although the definition itself has the semiotic form of a genus-differentia definition. In such definitions, the genus proximum is generally represented by minimal salient information [...][3]
A well-known representative of the Classical Approach is the genus-differentia definition. It was introduced by Aristotle and later elaborated by medieval philosophers [9], [14]. It has a peculiar structure, where the definiens is composed of two elements: the genus and the differentia.[4]
