The child of keyword checks if a concept is a child of another concept.
Syntax
concept_a child of concept_b
Returns
A boolean value that indicates if concept_a is a child of concept_b.
Examples
'Europe'.'the Netherlands' child of 'Europe'
/* returns true */
'Europe'.'the Netherlands'.'Amsterdam' child of 'Europe'.'the Netherlands'
/* returns true */
'Europe'.'the Netherlands'.'Amsterdam' child of 'Europe'
/* returns false */
'Europe'.'the Netherlands'.'Amsterdam' child of 'Asia'
/* returns false */
'colors'.'blue' child of 'colors'
/* returns true */
'Albums'.'Joni Mitchell'.'blue' child of 'colors'
/* returns false */
