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   Loudspeaker
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| appearance as argument number 1 |
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| (documentation Loudspeaker EnglishLanguage "A SpeakerDevice for projecting sound through the air. A loudspeaker produces louder sound than earphones or a hearing aid.") | ComputerInput.kif 498-500 | |
| (subclass Loudspeaker ElectricSpeakerDevice) | ComputerInput.kif 496-496 | Loudspeaker is a subclass of electric speaker device |
| appearance as argument number 2 |
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| (disjoint Earphone Loudspeaker) | ComputerInput.kif 508-508 | Earphone is disjoint from loudspeaker |
| (subclass ComputerLoudspeaker Loudspeaker) | ComputerInput.kif 519-519 | Computer loudspeaker is a subclass of loudspeaker |
| (termFormat EnglishLanguage Loudspeaker "loudspeaker") | domainEnglishFormat.kif 65133-65133 |
| antecedent |
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| (=> (and (instance ?DEV Loudspeaker) (instance ?DEV ComputerOutputDevice)) (instance ?DEV ComputerLoudspeaker)) |
ComputerInput.kif 527-531 |
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