This article reexamines the conditions of "coexistence" (kysei) amid the diversification (tayosei) and internal differentiation of gender.It traces how anthropological practices of comparison and classification have not merely revealed differences but have actively produced the boundaries and hierarchies through which they become intelligible.Engaging Foucaults analysis of power/knowledge, it situates inclusion and exclusion within modern formations that distinguish the "rational
Misako Kanno (Sun,) studied this question.