language group

Deductions

• language group has quality class ⇐ (existence is a class), (language group has quality existence)
• entity is for example language group ⇐ (language group is a entity), (is a is inverse of is for example)
• language group has quality existence ⇐ (language group is a entity), (entity has quality existence)
• language group is a entity ⇐ (languoid class is subclass of entity), (language group is a languoid class)
• languoid class is for example language group ⇐ (language group is a languoid class), (is a is inverse of is for example)
• language group is for example Slavic ⇐ (Slavic is a language group), (is a is inverse of is for example)