Boolean

American  

[boo-lee-uhn] / ˈbu li ən /

adjective

1. pertaining to or being a deductive logical system, as Boolean algebra, used to represent symbolically the relationships between sets, classes, and other entities.

2. Computers. of or relating to a data type having two possible values representing “true” or “false.”

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noun

1. Computers. a Boolean data type.

Etymology

Origin of Boolean

Named after George Boole; -an

Example Sentences

Boole translated logic into algebra—with an algebra of logic, or Boolean algebra—transforming logic from a philosophical, rule-based system into a mathematical, symbolic one.

From The Wall Street Journal • Mar. 29, 2026

It also makes long-term storage for SDDs, called flash or NAND, which stands for “not and,” a reference from the world of ones, zeros, and Boolean logic.

From Barron's • Jan. 2, 2026

Venn’s success inspired other logicians to try to do the same with Boolean algebra.

From Salon • Jul. 29, 2024

PreCSN's signature asset is BoNE -- the Boolean Network Explorer, a powerful computational framework for extracting actionable insights from any form of big-data.

From Science Daily • May 9, 2024

Boolean ———- Search algorithm built on the algebraic theories of the English mathematician George Booles.

From The Online World by De Presno, Odd