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Term 1: Term 2:

(subclass HardDisk ComputerDisk) ComputerInput.kif 665-665 Hard disk is a subclass of computer disk
(subclass InternalHardDisk HardDisk) ComputerInput.kif 670-670 Internal hard disk is a subclass of hard disk
(subclass CartridgeHardDisk HardDisk) ComputerInput.kif 688-688 Cartridge hard disk is a subclass of hard disk


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