Relation dolce#non-empty_universal__NEP (world,universal)
supertype: concept_in_Dolce_Full (world,?)
supertype: relation_from_a_world (world,*)
supertype: relation_using_a_world_as_argument (world,*)
supertype: relation_with_particular_property (*) this rather fuzzy type permits to group categorization schemes less common than those covered by the previous sibling categories
>part of: relation__related_thing__relatedthing___related_with type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type