List predicates

all(x IN coll WHERE x.property IS NOT NULL)

Returns true if the predicate is true for all elements in the list.

any(x IN coll WHERE x.property IS NOT NULL)

Returns true if the predicate is true for at least one element in the list.

none(x IN coll WHERE x.property IS NOT NULL)

Returns true if the predicate is false for all elements in the list.

single(x IN coll WHERE x.property IS NOT NULL)

Returns true if the predicate is true for exactly one element in the list.