(subclass ReflexiveRelation BinaryRelation) | Merge.kif 2239-2239 | 子類 ReflexiveRelation and BinaryRelation |
(subclass PartialOrderingRelation ReflexiveRelation) | Merge.kif 2367-2367 | 子類 PartialOrderingRelation and ReflexiveRelation |
(subclass EquivalenceRelation ReflexiveRelation) | Merge.kif 2394-2394 | 子類 EquivalenceRelation and ReflexiveRelation |