(subclass CoolingDevice Device) | Mid-level-ontology.kif 2282-2282 | Cooling device is a subclass of device |
(subclass FanDevice CoolingDevice) | Mid-level-ontology.kif 2293-2293 | Fan device is a subclass of cooling device |
(subclass Refrigerator CoolingDevice) | Mid-level-ontology.kif 2342-2342 | Refrigerator is a subclass of cooling device |