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Term 1: Term 2:

No TPTP formula. May not be expressible in strict first order. Merge.kif 793-795 A set or class is an instance of class if and only if the set or class is a subclass of entity
No TPTP formula. May not be expressible in strict first order. Merge.kif 797-797 Physical is a subclass of entity
No TPTP formula. May not be expressible in strict first order. Merge.kif 1573-1573 Abstract is a subclass of entity


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