Sociology studies men only insofar as interaction forms and determines them as groups.

Evidence

Sociology asks what happens to men and by what rules they behave, not insofar as they unfold their understandable individual existences in their totalities, but insofar as they form groups and are determined by their group existence because of interaction. — Georg Simmel, The Sociology of Georg Simmel, 1387

Categorization

• DEFINE: Delimits sociology’s proper subject — group-formation via interaction, not whole individual existence — preparing Simmel’s triadic and formal analyses the reader wants to connect to witness theory.