(subclass SpeakerDevice ElectricDevice) | Mid-level-ontology.kif 26034-26034 | SpeakerDevice は ElectricDevice の subclass では %n |
(subclass SpeakerDevice Device) | ComputerInput.kif 475-475 | SpeakerDevice は デバイス の subclass では %n |
(subclass ElectricSpeakerDevice SpeakerDevice) | ComputerInput.kif 484-484 | ElectricSpeakerDevice は SpeakerDevice の subclass では %n |