No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 496-496 | Loudspeaker 是 ElectricSpeakerDevice 的 subclass |
No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 519-519 | ComputerLoudspeaker 是 Loudspeaker 的 subclass |