| Keyboard(keyboard) | | keyboard, typewriter_keyboard |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 113-116 | |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 112-112 | Keyboard is a subclass of device |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 370-370 | Computer keyboard is a subclass of keyboard |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65075-65075 |
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