(subclass ArtificialSatellite Satellite) | Communications.kif 112-112 | Artificial satellite is a subclass of satellite |
(subclass ArtificialSatellite EngineeringComponent) | Communications.kif 113-113 | Artificial satellite is a subclass of engineering component |
(subclass CommunicationSatellite ArtificialSatellite) | Communications.kif 119-119 | Communication satellite is a subclass of artificial satellite |