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fn functions (Boolean)

The boolean built-in functions are XQuery functions to manipulate xs:boolean values. They are defined in XQuery 1.0 and XPath 2.0 Functions and Operators.

3 functions
Function name Description
fn:false Returns the xs:boolean value false.
fn:not Returns true if the effective boolean value is false, and false if the effective boolean value is true.
fn:true Returns the xs:boolean value true.