(subclass RelationExtendedToQuantities Relation) | Merge.kif 3548-3548 | Relation extended to quantities is a subclass of relation |
(subclass RelationExtendedToQuantities InheritableRelation) | Merge.kif 3549-3549 | Relation extended to quantities is a subclass of inheritable relation |
(subclass BinaryRelationExtendedToQuantities RelationExtendedToQuantities) | Geography.kif 775-775 | Binary relation extended to quantities is a subclass of relation extended to quantities |
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