check_ambiguity_on_ancestors method refactored
check_ambiguity_on_ancestors method refactored

paulewetzel/phrasing,aniltimt/phrasing,1000ideas/phrasing,infinum/phrasing,1000ideas/phrasing,aniltimt/phrasing,paulewetzel/phrasing,infinum/phrasing,paulewetzel/phrasing,infinum/phrasing,aniltimt/phrasing