(subclass CoolingDevice Device) | Mid-level-ontology.kif 2275-2275 | Cooling device is a subclass of device |
(subclass FanDevice CoolingDevice) | Mid-level-ontology.kif 2286-2286 | Fan device is a subclass of cooling device |
(subclass Refrigerator CoolingDevice) | Mid-level-ontology.kif 2335-2335 | Refrigerator is a subclass of cooling device |