(subclass Clock MeasuringDevice) | Mid-level-ontology.kif 2882-2882 | Clock est une sous-classe de MeasuringDevice |
(subclass WatchClock Clock) | Mid-level-ontology.kif 2894-2894 | WatchClock est une sous-classe de Clock |
(subclass AlarmClock Clock) | Mid-level-ontology.kif 25525-25525 | AlarmClock est une sous-classe de Clock |