(subclass ArtificialSatellite Satellite) | Communications.kif 112-112 | ArtificialSatellite は Satellite の subclass では %n |
(subclass ArtificialSatellite EngineeringComponent) | Communications.kif 113-113 | ArtificialSatellite は エンジニアリング部品 の subclass では %n |
(subclass CommunicationSatellite ArtificialSatellite) | Communications.kif 119-119 | CommunicationSatellite は ArtificialSatellite の subclass では %n |