Boolean

[boo-lee-uh n] /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 pertaining to a data type having two possible values representing “true” or “false.”.
noun
3.
Computers. a Boolean data type.
Origin
named after George Boole; see -an
Word Origin and History for booleans

Boolean

adj.

in reference to abstract algebraic systems, 1851, named for George Boole (1815-1864), English mathematician. The surname is a variant of Bull.