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Term 1: Term 2:

(=>
    (and
        (instance ?X Respirator)
        (instance ?PERSON Animal)
        (wears ?PERSON ?X))
    (hasPurpose ?X
        (exists (?INHAL ?INJ ?PROTECT ?I)
            (and
                (instance ?PROTECT Process)
                (instrument ?PROTECT ?X)
                (prevents ?PROTECT ?INJ)
                (subclass ?INJ
                    (KappaFn ?I
                        (and
                            (instance ?I Injuring)
                            (exists (?H)
                                (and
                                    (instance ?H Human)
                                    (patient ?I ?H)
                                    (instance ?INHAL Inhaling)
                                    (agent ?INHAL ?H)
                                    (causes ?I ?INHAL))))))))))
Cars.kif 3531-3552
(subclass Respirator SafetyDevice) Cars.kif 3526-3526 Respirator is a subclass of safety device
(subclass Respirator WearableItem) Cars.kif 3527-3527 Respirator is a subclass of wearable item
(subclass Respirator Mask) Cars.kif 3528-3528 Respirator is a subclass of mask
(subclass N95Mask Respirator) Medicine.kif 4868-4868 N95 respirator is a subclass of respirator


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