| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 90-90 | 子類 PhoneOS and 操作系統 |
| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 28-28 | 子類 Android and PhoneOS |
| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 84-84 | 子類 蘋果作業系統 and PhoneOS |
|
|