In set theory, a unary operation on set is a function .
More generally, a unary operation is a function with exactly one operand, such as the factorial, square root, or NOT.
In set theory, a unary operation on set is a function .
More generally, a unary operation is a function with exactly one operand, such as the factorial, square root, or NOT.
Portions of this entry contributed by Matt Insall (author's link)
Insall, Matt and Weisstein, Eric W. "Unary Operation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/UnaryOperation.html