ABSTRACT
Definition 7.1 Let S be a scale family on X and T be a n-ary relation on R. Then T is said to be quantitatively S-meaningful if and only if for all x1, . . . , xn in X and all ϕ and ψ in S,
T [ϕ(x1), . . . , T (ϕ(xn)] iff T [ψ(x1), . . . , T (ψ(xn)] .
