Relationpm#relation_to_another_binary_relation_type(pm#binary_relation_type,pm#binary_relation_type) subtype: owl#equivalent_property rdfs#sub_property_of pm#inverse supertype: pm#relation_from_binary_relation_type (pm#binary_relation_type,*) supertype: pm#relation_from_relation_type (pm#relation_type,*) 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/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_type