| 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. | ComputingBrands.kif 772-772 | Macbook Pro 是 Laptop 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 787-787 | Macbook Air 是 Laptop 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 802-802 | Macbook 是 Laptop 的 subclass |
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