alleryকোনটো উদাহৰণে “সকলো A C”ক অসত্য বুলি প্ৰমাণ কৰাৰ বিপৰীতে “সকলো A B” আৰু “কিছুমান B C” সন্তুষ্ট কৰে?
AA={1}, B={1,2}, C={2}
BA={1}, B={1}, C={1}
CA={1,2}, B={1}, C={2}
DA={1}, B={2}, C={1}
Answer & Solution
Correct answer: A. A={1}, B={1,2}, C={2}
B ত A B আৰু B 2 ত C ওপৰত ওপৰত থাকে, কিন্তু A ৰ সদস্য 1 C ৰ বাহিৰত থাকে।
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