(subclass SingleValuedRelation Relation) | Merge.kif 2187-2187 | Single valued relation is a subclass of relation |
(subclass SingleValuedRelation InheritableRelation) | Merge.kif 2188-2188 | Single valued relation is a subclass of inheritable relation |
(subclass Function SingleValuedRelation) | Merge.kif 3365-3365 | Function is a subclass of single valued relation |
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