| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25603-25603 | AMFMAlarmClock 是 AlarmClock 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25604-25604 | AMFMAlarmClock 是 无线电接收器 的 subclass |
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