No TPTP formula. May not be expressible in strict first order. | Geography.kif 3366-3366 | 子類 衛星 and AstronomicalBody |
No TPTP formula. May not be expressible in strict first order. | Geography.kif 3386-3386 | 子類 天然衛星 and 衛星 |
No TPTP formula. May not be expressible in strict first order. | Communications.kif 112-112 | 子類 人造衛星 and 衛星 |