Relationsumo#immediate_instance__immediateinstance(?,sumo#set_or_class)if the common reading conventions of parameters had been respected, this type would have been named immediate_instance_of; an object is an immediate_instance of a set_or_class if it is an instance of the set_or_class and there does not exist a subclass of set_or_class such that it is an instance of the subclasstype: pm#asymmetric_relation_typean antisymmetric and irreflexive relationtype: pm#intransitive_relation_typea binary_relation ?REL is intransitive only if (?REL ?INST1 ?INST2) and (?REL ?INST2 ?INST3) imply not (?REL ?INST1 ?INST3), for all ?INST1, ?INST2, and ?INST3supertype: pm#asymmetric_relation (?,?)this category only serves structuration purposes: it is instance of pm#asymmetric_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#irreflexive_relation__irreflexiverelation (?,?)this category only serves structuration purposes: it is instance of pm#irreflexive_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#binary_relation_with_particular_mathematical_property (?,?) supertype: pm#relation_with_particular_mathematical_property (*) supertype: pm#relation_with_particular_property (*)this rather fuzzy type permits to group categorization schemes less common than those covered by the previous sibling categoriessupertype: pm#relation__related_thing__relatedthing___related_with (*)type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_typesupertype: pm#antisymmetric_relation__antisymmetricrelation (?,?)this category only serves structuration purposes: it is instance of pm#antisymmetric_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#binary_relation_with_particular_mathematical_property (?,?) supertype: pm#intransitive_relation (?,?)this category only serves structuration purposes: it is instance of pm#intransitive_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#binary_relation_with_particular_mathematical_property (?,?) supertype: sumo#instance (?,sumo#set_or_class)if the common reading conventions of parameters had been respected, this type would have been named instance_of; an object is an instance of a set_or_class if it is included in that set_or_class; an individual may be an instance of many classes, some of which may be subclasses of others; thus, there is no assumption in the meaning of instance about specificity or uniquenesssupertype: dc#Type (?,pm#entity)to specify the nature or genre of the content of a resource; SHOULD NOT BE USED IN WEBKBsupertype: pm#binary_relation (?,?)in WebKB, most relation types are binary and some have a variable number of arguments (as in KIF), hence this type is currently only specialized by types that I do not want to see as direct subtypes of pm#relationsupertype: pm#relation_with_particular_property (*)this rather fuzzy type permits to group categorization schemes less common than those covered by the previous sibling categories