No TPTP formula. May not be expressible in strict first order. | Geography.kif 3366-3366 | Satellite is a subclass of astronomical body |
No TPTP formula. May not be expressible in strict first order. | Geography.kif 3386-3386 | Natural satellite is a subclass of satellite |
No TPTP formula. May not be expressible in strict first order. | Communications.kif 112-112 | Artificial satellite is a subclass of satellite |