fuzzy set

American

noun

Mathematics.

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.

First recorded in 1960–65

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023