| ComputerDisk(computer disk) | disc, disk, magnetic_disc, magnetic_disk | 
| appearance as argument number 1 | 
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| (documentation ComputerDisk EnglishLanguage "A type of DigitalDataStorageDevice that is disk_shaped and is read while being spun in a DiskDrive.") | ComputerInput.kif 658-659 | |
| (subclass ComputerDisk DigitalDataStorageDevice) | ComputerInput.kif 657-657 | Computer disk is a subclass of digital data storage device | 
| appearance as argument number 2 | 
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| (subclass HardDisk ComputerDisk) | ComputerInput.kif 665-665 | Hard disk is a subclass of computer disk | 
| (subclass RemovableDisk ComputerDisk) | ComputerInput.kif 682-682 | Removable disk is a subclass of computer disk | 
| (termFormat EnglishLanguage ComputerDisk "computer disk") | domainEnglishFormat.kif 64664-64664 | Removable disk is a subclass of computer disk | 
| appearance as argument number 3 | 
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| (domainSubclass diskTypeForDrive 1 ComputerDisk) | ComputerInput.kif 736-736 | The number 1 argument of disk type for drive is a subclass of computer disk | 
| antecedent | 
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| (=> (instance ?DISK ComputerDisk) (shape ?DISK DiskShaped))  | 
ComputerInput.kif 661-663 | 
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