unäre
Unäre, or unary in English, is an adjective used to describe a relation, operation, or function that takes exactly one input or operand. The term derives from Latin unus, meaning one, and is used across mathematics, logic, and computer science to distinguish single-argument processes from binary, ternary, or higher-arity operations.
In mathematics, a unary operation or function maps a set to itself or to another set, using
In logic and computer science, unary operators and predicates are widespread. Logical negation ¬P acts on a
Terminology around unary operations emphasizes arity, or the number of operands an operation uses. Unary, monadic,