Relation pm#relation_to_a_thing_that_is_not_a_domain__domain-related-object (?,pm#thing_that_is_not_a_domain)
  closed_exclusion:  pm#relation_to_a_domain
  supertype:  pm#domain_related_relation__domain-related-thing
  instance of:  pm#virtual_relation_type
  subtype:  pm#domain_object (pm#domain,?)
     subtype:  pm#core_domain_object__central_object_of_domain (pm#domain,?)
  subtype:  pm#object_in_domain (?,pm#thing_that_is_not_a_domain)