No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 786-786 | Macbook Air 是 AppleComputer 的 subclass |
No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 787-787 | Macbook Air 是 Laptop 的 subclass |