fuzzy set

noun

Mathematics.

1. a generalization of a classical set with the property that each member of a population of objects has associated with it a number, usually from 0 to 1, that indicates the degree to which the object belongs to the set.

Word History and Origins

Origin of fuzzy set¹

First recorded in 1960–65

Example Sentences

Even when the Biden guidance was in place, hospitals and doctors faced a complex and sometimes fuzzy set of incentives.

From Slate

Going deeper, 03E is set theory and 03E72 is fuzzy set theory.

From Nature

He applied fuzzy set theory to allow the program to make estimates of possible outcomes, and that worked.

From New York Times

That's complemented by a similarly fuzzy set of accessories, including gloves, a backpack, and a fur-lined helmet.

From The Verge