No TPTP formula. May not be expressible in strict first order. | Cars.kif 3375-3375 | Vehicle safety device is a subclass of safety device |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 3624-3624 | Airbag is a subclass of vehicle safety device |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 3658-3658 | Seat belt is a subclass of vehicle safety device |