oeconym

Deductions

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