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No TPTP formula. May not be expressible in strict first order. Music.kif 1186-1186 String instrument is a subclass of musical instrument
No TPTP formula. May not be expressible in strict first order. Music.kif 1224-1224 Violin is a subclass of string instrument
No TPTP formula. May not be expressible in strict first order. Music.kif 1228-1228 Piano is a subclass of string instrument
No TPTP formula. May not be expressible in strict first order. Music.kif 1232-1232 Cello is a subclass of string instrument
No TPTP formula. May not be expressible in strict first order. Music.kif 1235-1235 Guitar is a subclass of string instrument
No TPTP formula. May not be expressible in strict first order. Music.kif 1312-1312 Cithara is a subclass of string instrument


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