Relationsumo#connected(sumo#object,*) exclusion: sumo#crosses type: pm#binary_predicate_typethe class of predicates relating two items - its valence is twotype: pm#reflexive_relation_typea relation is reflexive if (?REL ?INST ?INST) for all ?INSTtype: pm#symmetric_relation_typewhen (?REL ?INST1 ?INST2) implies (?REL ?INST2 ?INST1), for all ?INST1 and ?INST2type: pm#spatial_relation_typethe class of relations that are spatial in a wide sense, e.g., mereological relations and topological relationsupertype: pm#spatial_relation_from_entity_with_spatial_feature (sumo#object,*) 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#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#symmetric_relation__symmetricrelation (?,?)this category only serves structuration purposes: it is instance of pm#symmetric_relation_type which is not instance of pm#class_of_inheritable_relation_typesupertype: pm#binary_relation_with_particular_mathematical_property (?,?)