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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 23178-23178 子類 核心家庭 and FamilyGroup
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 23179-23179 子類 核心家庭 and 社會單位


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