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Excerpt
hiddentrue

not(expression) Negates an expression.


Function: not()

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

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Syntax

not(expression)

Examples

not(a < b)

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

not(1)

Returns false.


not(0)

Returns true.

See Also