No TPTP formula. May not be expressible in strict first order. | Merge.kif 13721-13721 | Singing is a subclass of making music |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 13722-13722 | Singing is a subclass of vocalizing |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 13730-13730 | Singing is a subclass of singing |