The third part speculates about possible cognitive differences between men and women. Part four consists of a single chapter of general sociological commentary on broader community discussion of the relationships between men and women. The addendum that concludes the book is offered in support of the anthropological consensus described in chapter 2 of part I, but has been considered by some to be the most valuable part of the total work,
The third part examines potential cognitive differences between men and women. Part four offers a single chapter analyzing broader sociological discussions on gender relationships. The concluding addendum to the book aims to support the anthropological consensus from Chapter 2 of Part I, which some find particularly valuable.