Simple Society
Let n = number of behaviorally different types of individuals, N(S) the cardinality of the set S
Set of distinct individuals: I = {A}, N(I) = n = 1
Set of distinct dyads: D = {A, A}, N(D) = 1
Set of distinct triads: T = {A, A, A}, N(T) = 1, etc.
X’s mental representation for social relations is based on {I, D, T, …}