Relationrdfs#sub_class_of__subclassof__super_class__superclas(rdfs#class,rdfs#class)in WebKB, use the link '<'equal: daml#sub_class_of supertype: pm#relation_to_another_class (rdfs#class,rdfs#class+) supertype: pm#relation_from_class_to_collection (rdfs#class,pm#collection) supertype: pm#relation_from_type_to_collection (pm#type,pm#collection) supertype: pm#relation_between_collections (pm#collection,pm#collection+) supertype: pm#relation_from_collection (pm#collection,*) supertype: pm#relation_from/to_thing_of_common_kind (*)this type permits to categorize relations according to their signatures and hence offers (i) a concise way to set essential exclusion relations, and (ii) a systematic and easy-to-follow categorizationsupertype: pm#relation__related_thing__relatedthing___related_with (*)type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_typesupertype: pm#what_relation (*) supertype: pm#wh-/how_relation (*)this type permits to categorize relations according to the usual who/what/why/where/when/how questions ; this is a traditional but very subjective and ineffective way of categorizing relationssupertype: pm#relation__related_thing__relatedthing___related_with (*)type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_typesupertype: pm#relation_to_collection (*,pm#collection) supertype: pm#relation_from/to_thing_of_common_kind (*)this type permits to categorize relations according to their signatures and hence offers (i) a concise way to set essential exclusion relations, and (ii) a systematic and easy-to-follow categorizationsupertype: pm#what_relation (*) supertype: pm#relation_from_type (pm#type,*)type of relations from a concept/relation type, i.e. in RDFS terminology, from a class or a propertysupertype: pm#relation_from_collection (pm#collection,*) supertype: pm#relation_from_class (rdfs#class,*) supertype: pm#relation_from_type (pm#type,*)type of relations from a concept/relation type, i.e. in RDFS terminology, from a class or a propertysupertype: pm#relation_to_another_set_or_class (pm#set_or_class,pm#set_or_class+)this category is needed to group SUMO relations between classes which cannot be subtype of pm#relation_from_type because their signatures curiously also involve setssupertype: pm#relation_between_collections (pm#collection,pm#collection+) supertype: pm#relation_to_set_or_class (*,pm#set_or_class) supertype: pm#relation_to_collection (*,pm#collection) supertype: pm#subclass_of_or_equal (pm#set_or_class,pm#set_or_class) supertype: pm#relation_to_another_set_or_class (pm#set_or_class,pm#set_or_class+)this category is needed to group SUMO relations between classes which cannot be subtype of pm#relation_from_type because their signatures curiously also involve setssupertype: pm#supertype (pm#type,pm#type)in the FT notation, the '<' link is only used to connect to a "strict" supertypesupertype: pm#relation_from_type (pm#type,*)type of relations from a concept/relation type, i.e. in RDFS terminology, from a class or a propertysupertype: pm#generalizing_type (?,pm#type)fuzzy category, DO NOT USE DIRECTLYsupertype: pm#partial_ordering_relation (?,?)this category only serves structuration purposes: it is instance of pm#partial_ordering_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#reflexive_relation__reflexiverelation (?,?)this category only serves structuration purposes: it is instance of pm#reflexive_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#transitive_relation (?,?)this category only serves structuration purposes: it is instance of pm#transitive_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#binary_relation_with_particular_mathematical_property (?,?)