George Boole

Boolean algebra, a logical calculus of truth values or set membership

Boolean algebra (structure), a set with operations resembling logical ones

Boolean circuit, a mathematical model for digital logical circuits.

Boolean data type is a data type, having two values (usually denoted true and false)

Boolean expression, an expression in a programming language that produces a Boolean value when evaluated

Boolean function, a function that determines Boolean values or operators

Boolean model (probability theory), a model in stochastic geometry

Boolean network, a certain network consisting of a set of Boolean variables whose state is determined by other variables in the network

Boolean processor, a 1-bit variables computing unit

Boolean ring, a ring consisting of idempotent elements

Boole's syllogistic is a logic invented by 19th-century British mathematician George Boole, which attempts to incorporate the "empty set".