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No TPTP formula. May not be expressible in strict first order. Cars.kif 3397-3425
No TPTP formula. May not be expressible in strict first order. Cars.kif 3427-3427 子類 安全套 and SafetyDevice
No TPTP formula. May not be expressible in strict first order. Cars.kif 3428-3428 子類 安全套 and 可穿戴物品


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