toponym

Deductions

• Vienna has quality toponym ⇐ (Vienna is a human settlement), (human settlement has quality toponym)
• national capital has quality toponym ⇐ (national capital is subclass of human settlement), (human settlement has quality toponym)
• former national capital has quality toponym ⇐ (oeconym is subclass of toponym), (former national capital has quality oeconym)
• former national capital has quality toponym ⇐ (former national capital is subclass of capital city), (capital city has quality toponym)
• capital city has quality toponym ⇐ (capital city is subclass of human settlement), (human settlement has quality toponym)
• human settlement has quality toponym ⇐ (oeconym is subclass of toponym), (human settlement has quality oeconym)
• rural settlement has quality toponym ⇐ (oeconym is subclass of toponym), (rural settlement has quality oeconym)