dead language

Deductions

• dead language has quality class ⇐ (existence is a class), (dead language has quality existence)
• entity is for example dead language ⇐ (dead language is a entity), (is a is inverse of is for example)
• dead language has quality existence ⇐ (dead language is a entity), (entity has quality existence)
• dead language is a entity ⇐ (languoid class is subclass of entity), (dead language is a languoid class)
• type of language is for example dead language ⇐ (dead language is a type of language), (is a is inverse of is for example)
• languoid class is for example dead language ⇐ (dead language is a languoid class), (is a is inverse of is for example)
• dead language is for example Ruthenian ⇐ (Ruthenian is a dead language), (is a is inverse of is for example)
• dead language is a languoid class ⇐ (type of language is subclass of languoid class), (dead language is a type of language)
• dead language is a type of language ⇐ (modern language is a type of language), (modern language is opposite of dead language)