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Term 1: Term 2:

(subclass AerobicExerciseDevice RecreationOrExerciseDevice) Mid-level-ontology.kif 8227-8227 AerobicExerciseDevice è una sottoclasse di RecreationOrExerciseDevice
(subclass RowingMachine AerobicExerciseDevice) Mid-level-ontology.kif 8236-8236 RowingMachine è una sottoclasse di AerobicExerciseDevice


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