(subclass NaturalSatellite Satellite) | Geography.kif 3386-3386 | Natural satellite is a subclass of satellite |
(subclass NaturalSatellite AstronomicalBody) | Geography.kif 3387-3387 | Natural satellite is a subclass of astronomical body |
(subclass Moon NaturalSatellite) | Geography.kif 3394-3394 | Moon is a subclass of natural satellite |
(subclass Planet NaturalSatellite) | Geography.kif 3402-3402 | Planet is a subclass of natural satellite |