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No TPTP formula. May not be expressible in strict first order. ComputerInput.kif 770-770 子類 OpticalDiscDrive and DiskDrive
No TPTP formula. May not be expressible in strict first order. ComputerInput.kif 775-775 子類 CDDrive and OpticalDiscDrive
No TPTP formula. May not be expressible in strict first order. ComputerInput.kif 779-779 子類 DVDDrive and OpticalDiscDrive
No TPTP formula. May not be expressible in strict first order. ComputerInput.kif 783-783 子類 BluRayDrive and OpticalDiscDrive


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