(subclass ComputerLoudspeaker ComputerOutputDevice) | ComputerInput.kif 518-518 | Computer loudspeaker is a subclass of computer output device |
(subclass ComputerLoudspeaker Loudspeaker) | ComputerInput.kif 519-519 | Computer loudspeaker is a subclass of loudspeaker |
(subclass InternalComputerLoudspeaker ComputerLoudspeaker) | ComputerInput.kif 533-533 | Internal computer loudspeaker is a subclass of computer loudspeaker |