| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3350-3350 | SafetyDevice 是 设备 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 30838-30838 | ClimbingCarabiner 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3375-3375 | VehicleSafetyDevice 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3419-3419 | 安全套 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3444-3444 | 听力保护 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3478-3478 | 防护眼镜 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3526-3526 | 呼吸器 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3555-3555 | SafetyVest 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4359-4359 | Helmet 是 SafetyDevice 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4742-4742 | MotorcycleGlove 是 SafetyDevice 的 subclass |
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