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antecedent

(=>
    (instance ?X SafetyDevice)
    (hasPurpose ?X
        (exists (?P ?H ?I ?T)
            (and
                (instance ?H Human)
                (instance ?P Process)
                (patient ?P ?H)
                (instrument ?P ?X)
                (prevents ?P
                    (KappaFn ?I
                        (and
                            (instance ?I Injuring)
                            (=>
                                (holdsDuring ?T
                                    (experiencer ?I ?H))
                                (not
                                    (holdsDuring ?T
                                        (patient ?P ?H)))))))))))

Cars.kif 3340-3358

If a physical is an instance of safety device,
then the physical has the purpose there exist an entity, another entity,, , a third entity and a fourth entity such that the other entity is an instance of human and the entity is an instance of process and the other entity is a patient of the entity and the physical is an instrument for the entity and the entity prevents the occurrence of the class described by the third entity

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(documentation SafetyDevice EnglishLanguage "Any Device that is designed to prevent (or lessen the likelihood of) the Injuring of a Human.")	Cars.kif 3337-3338
(subclass SafetyDevice Device)	Cars.kif 3335-3335	Safety device is a subclass of device

(subclass ClimbingCarabiner SafetyDevice)	Mid-level-ontology.kif 30862-30862	Climbing carabiner is a subclass of safety device
(subclass HearingProtection SafetyDevice)	Cars.kif 3429-3429	Hearing protection is a subclass of safety device
(subclass Helmet SafetyDevice)	Cars.kif 4344-4344	Helmet is a subclass of safety device
(subclass MotorcycleGlove SafetyDevice)	Cars.kif 4727-4727	Motorcycle glove is a subclass of safety device
(subclass ProtectiveEyewear SafetyDevice)	Cars.kif 3463-3463	Protective eyewear is a subclass of safety device
(subclass Respirator SafetyDevice)	Cars.kif 3511-3511	Respirator is a subclass of safety device
(subclass SafetyHarness SafetyDevice)	Cars.kif 3404-3404	Safety harness is a subclass of safety device
(subclass SafetyVest SafetyDevice)	Cars.kif 3540-3540	Safety vest is a subclass of safety device
(subclass VehicleSafetyDevice SafetyDevice)	Cars.kif 3360-3360	Vehicle safety device is a subclass of safety device
(termFormat EnglishLanguage SafetyDevice "safety device")	Cars.kif 3336-3336

KB Term:			Term intersection

English Word: