alleryगाजर खाणारी प्रत्येक व्यक्ती quarterback असते. John गाजर खातो. म्हणून John हा quarterback आहे. हा युक्तिवाद
Aअवैध पण परिपूर्ण (sound) आहे
Bअवैध आणि अपरिपूर्ण (unsound) आहे
Cपरिपूर्ण (sound) आणि वैध आहे
Dवैध पण परिपूर्ण (sound) नाही
Answer & Solution
Correct answer: D. वैध पण परिपूर्ण (sound) नाही
निष्कर्ष आधारविधानांमधून निघतो, परंतु पहिले आधारविधान असत्य आहे, त्यामुळे हा युक्तिवाद परिपूर्ण (sound) नाही.
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