No TPTP formula. May not be expressible in strict first order. | Merge.kif 13743-13743 | Singing is a subclass of making music |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 13744-13744 | Singing is a subclass of vocalizing |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 13752-13752 | Singing is a subclass of singing |