| No TPTP formula. May not be expressible in strict first order. | QoSontology.kif 477-477 | Computer output device is a subclass of computer hardware |
| No TPTP formula. May not be expressible in strict first order. | QoSontology.kif 483-483 | Touch screen is a subclass of computer output device |
| No TPTP formula. May not be expressible in strict first order. | QoSontology.kif 493-493 | Computer terminal is a subclass of computer output device |
| No TPTP formula. May not be expressible in strict first order. | QoSontology.kif 1831-1831 | Printer is a subclass of computer output device |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 118-118 | Computer I/O device is a subclass of computer output device |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 138-138 | Computer display is a subclass of computer output device |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 518-518 | Computer loudspeaker is a subclass of computer output device |
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