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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
(subclass HearingProtection WearableItem) Cars.kif 3445-3445


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