Human categorization is a universal navigational tool for social worlds
Evidence
We all engage in “making up people” (Hacking 2006, 1999) as a way to navigate in the social world — to situate ourselves and others in the context of social hierarchies, to discern friend from foe, and to provide a guide to social interactions with different individuals and groups. — Michael Omi, Howard Winant, Racial Formation in the United States, 28
Categorization
Category: Factual Claims