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Term 1: Term 2:

(subclass Helmet SafetyDevice) Cars.kif 4359-4359 Helmet est une sous-classe de SafetyDevice
(subclass Helmet
    (CoveringFn Head))
Cars.kif 4360-4360 Helmet est une sous-classe de CoveringFn Head
(subclass MotorcycleHelmet Helmet) Cars.kif 4364-4364 MotorcycleHelmet est une sous-classe de Helmet


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