common

Deductions

• grammatical category is for example common ⇐ (common is a grammatical category), (is a is inverse of is for example)
• common is a grammatical category ⇐ (grammatical gender is subclass of grammatical category), (common is a grammatical gender)
• grammatical gender is for example common ⇐ (common is a grammatical gender), (is a is inverse of is for example)
• common is a grammatical gender ⇐ (neuter is a grammatical gender), (neuter is opposite of common)