No TPTP formula. May not be expressible in strict first order. | Merge.kif 1405-1405 | Language is a subclass of linguistic expression |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 1413-1413 | Written language is a subclass of language |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 1415-1415 | Animal language is a subclass of language |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 1429-1429 | Artificial language is a subclass of language |
No TPTP formula. May not be expressible in strict first order. | Merge.kif 1446-1446 | Human language is a subclass of language |