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Term 1: Term 2:

(=>
    (and
        (instance ?HP HearingProtection)
        (instance ?PERSON Human)
        (wears ?PERSON ?HP))
    (hasPurpose ?HP
        (exists (?PROC ?INJ ?I)
            (and
                (instance ?PROC Process)
                (subclass ?INJ
                    (KappaFn ?I
                        (and
                            (instance ?I Injuring)
                            (exists (?SOUND ?HEAR ?HUMAN ?T)
                                (and
                                    (instance ?SOUND RadiatingSound)
                                    (instance ?HEAR Hearing)
                                    (instance ?HUMAN Human)
                                    (patient ?HEAR ?SOUND)
                                    (experiencer ?HEAR ?HUMAN)
                                    (causes ?HEAR ?I)
                                    (experiencer ?I ?HUMAN)
                                    (=>
                                        (holdsDuring ?T
                                            (experiencer ?I ?PERSON))
                                        (not
                                            (holdsDuring ?T
                                                (patient ?PROC ?PERSON)))))))))
                (prevents ?PROC ?INJ)
                (instrument ?PROC ?HP)))))
Cars.kif 3447-3476
(subclass HearingProtection SafetyDevice) Cars.kif 3444-3444 Hearing protection is a subclass of safety device
(subclass HearingProtection WearableItem) Cars.kif 3445-3445 Hearing protection is a subclass of wearable item


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