BoolValue

Boolvalue is a term used to denote a boolean value in logic and computing, representing one of two truth values: true or false. It lies at the core of conditional evaluation and decision making in many systems.

Boolvalues have their conceptual roots in Boolean algebra, developed by George Boole, which underpins digital logic and the design of circuits. In formal logic, truth values evaluate the validity of propositions, and in programming they serve as the simplest form of data used to control flow and outcomes.

In programming, boolean types are often treated as distinct from numeric types, though some languages reuse integers to represent true and false, or implement truthy and falsy semantics where nonzero or nonempty values imply true. The boolean value participates in standard logical operations such as NOT, AND, and OR, and it is commonly used in conditionals, loops, and guard expressions.

Many languages provide explicit ways to obtain boolvalues from other data, via casting, coercion, or dedicated constructors. Some languages enforce strict boolean typing, while others offer more permissive conversions.

Examples of boolean values include True and False in Python, true and false in many languages with C-style syntax, and the concept of truthiness in JavaScript. The precise representation and rules for boolvalue can vary by language, data model, and type system.

See also: Boolean algebra, boolean type, truth value, truthiness, logical operator, conversion.