| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 29530-29530 | PortableComputer 是 电脑 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 29544-29544 | Laptop 是 PortableComputer 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 29551-29551 | TabletComputer 是 PortableComputer 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 29571-29571 | SmartPhone 是 PortableComputer 的 subclass |
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