# Check property function in size NOT EXISTS

PREFIX  list:  <http://jena.hpl.hp.com/ARQ/list#>
PREFIX  :      <http://example.org/>

SELECT ?x
{ 
    ?x :q ?list .
    FILTER EXISTS { ?list list:member "a" }
}

# same as:
#SELECT DSITINCT ?x {  ?x :q ?list . ?list list:member "a" }