Nguni

Deductions

• language family is for example Nguni ⇐ (Nguni is a language family), (is a is inverse of is for example)
• Nguni is subclass of Bantu ⇐ (Nguni is subclass of East Bantu), (East Bantu is subclass of Bantu), (is subclass of is a transitive relation)
• Nguni is subclass of East Bantu ⇐ (Nguni is subclass of Southern Bantu), (Southern Bantu is subclass of East Bantu), (is subclass of is a transitive relation)