No TPTP formula. May not be expressible in strict first order. | Music.kif 1220-1220 | Percussion instrument is a subclass of musical instrument |
No TPTP formula. May not be expressible in strict first order. | Music.kif 1239-1239 | Bell is a subclass of percussion instrument |
No TPTP formula. May not be expressible in strict first order. | Music.kif 1266-1266 | Drum is a subclass of percussion instrument |
No TPTP formula. May not be expressible in strict first order. | Music.kif 1301-1301 | Castanet is a subclass of percussion instrument |