No TPTP formula. May not be expressible in strict first order. | Languages.kif 8972-8972 | Western iranian language is a subclass of iranian language |
No TPTP formula. May not be expressible in strict first order. | Languages.kif 8978-8978 | Northwestern iranian language is a subclass of western iranian language |
No TPTP formula. May not be expressible in strict first order. | Languages.kif 9170-9170 | Southwestern iranian language is a subclass of western iranian language |