Function: not()

Negates an expression, i.e. returns true if the expression inside the brackets evaluates to false and vice versa.

The function not() takes one argument.

Returns false if expression evaluates to 1 or true and returns true otherwise.

Syntax

not(expression)

Examples

not(a < b)

not() returns true if a is greater than b and false if a is less than b.

See Also

• Functions