† associativenessn.MathematicsObsolete the property of being associative.
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associativeness1878
symmetry1888
associativity1926
idempotence1934
distributivity1940
idempotency1940
1878 Amer. Jrnl. Math.1 50 The associativeness of such symbols arises from the circumstance that the definitions of α, β, γ,..determine the meanings of αβ, αγ, &c.