Every social relation rests on mutual knowledge between persons.

Evidence

OBVIOUSLY, ALL RELATIONS which people have to one another are based on their knowing something about one another. The merchant knows that his correspondent wants to buy at the lowest possible price, and to sell at the highest possible price. — Georg Simmel, The Sociology of Georg Simmel, 7456

Categorization

• XREF: connects to: A table or pen reveals a whole network of social purposes and relationships. — Sarah Bakewell, At the Existentialist Café: Freedom,…, 217