(subclass SlavicLanguage IndoEuropeanLanguage) | Languages.kif 10691-10691 | Slavic language is a subclass of indo european language |
(subclass EastSlavicLanguage SlavicLanguage) | Languages.kif 10697-10697 | East slavic language is a subclass of slavic language |
(subclass SouthSlavicLanguage SlavicLanguage) | Languages.kif 10793-10793 | South slavic language is a subclass of slavic language |
(subclass WestSlavicLanguage SlavicLanguage) | Languages.kif 10987-10987 | West slavic language is a subclass of slavic language |