| (subclass RadioStation BroadcastingStation) | Communications.kif 287-287 | RadioStation は BroadcastingStation の subclass では %n |
| (subclass AMRadioStation RadioStation) | Communications.kif 293-293 | AMRadioStation は RadioStation の subclass では %n |
| (subclass FMRadioStation RadioStation) | Communications.kif 298-298 | FMRadioStation は RadioStation の subclass では %n |
| (subclass ShortwaveRadioStation RadioStation) | Communications.kif 303-303 | ShortwaveRadioStation は RadioStation の subclass では %n |
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