Relation pm#attributive_relation__attributiverelation (*)  like pm#binary_relation, this type mostly exists to categorize what cannot be categorized elsewhere
  exclusion:  pm#mereological_relation  pm#intentional_relation  pm#temporal_relation  pm#object_relation
  subtype: {rst#attributive_relation pm#purpose aktp#has-author aktp#owned-by pm#owner pm#owner_of sumo#leader pm#seller pm#customer pm#generator pm#creator pm#spatial_origin sumo#exploits sumo#has_purpose sumo#has_purpose_for_agent pm#measure pm#attribute pm#name dc#Date rdf#value pm#rdf_reification_relation pm#support pm#example pm#syntax akts#has-magnitude}  pm#editor
  supertype:  pm#relation_playing_a_special_role (*)  this type permits to categorize relations according to their roles ; this is a traditional but quite subjective way of categorizing relations
     >part of:  pm#relation__related_thing__relatedthing___related_with  type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type