lis#class_of_abstract_object  click here for details
  exclusion:  class_of_individual
  supertype:  class__clas  click here for details
  subtype:  class_of_class  class_of_relationship  class_of_multidimensional_object
  member:  abstract_object  a thing that does not exist in space-time; click here for details

No statement uses or specializes class_of_abstract_object; click here to add one.