| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25618-25618 | Data storage device is a subclass of device |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25623-25623 | Whiteboard is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 684-684 | Electronic data storage device is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 817-817 | Audio data storage device is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 837-837 | Video data storage device is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 1032-1032 | Hardcopy document is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 1067-1067 | Printed sheet is a subclass of data storage device |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 1086-1086 | Blackboard is a subclass of data storage device |
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