No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26233-26233 | AudioRecorder 是 设备 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Media.kif 1331-1331 | TapeRecorder 是 AudioRecorder 的 subclass |
![]() |