Balto-Slavic
Deductions
- language family is for example Balto-Slavic ⇐ (Balto-Slavic is a language family), (is a is inverse of is for example)
- Ruthenian is subclass of Balto-Slavic ⇐ (Ruthenian is subclass of Slavic), (Slavic is subclass of Balto-Slavic), (is subclass of is a transitive relation)
- Russian is subclass of Balto-Slavic ⇐ (Russian is subclass of Slavic), (Slavic is subclass of Balto-Slavic), (is subclass of is a transitive relation)