निम्नलिखित तर्क पर विचार कीजिए: सभी द्विपद बुद्धिमान (rational) हैं। हंस द्विपद हैं। ∴ हंस बुद्धिमान हैं। भारतीय तर्कशास्त्र के अनुसार, इसमें कौन सा हेत्वाभास है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?