alleryଏକମାତ୍ର ପୂର୍ବଧାରଣା: A ସେଟ୍ର ସମସ୍ତ ବସ୍ତୁ B ର ଅନ୍ତର୍ଗତ। ଏଥିରୁ କୌଣସି A ର ଅସ୍ତିତ୍ୱ ପ୍ରମାଣିତ ହୁଏ କି?
Aହଁ, ଠିକ୍ ଗୋଟିଏ |
Bନା, A ଖାଲି ହୋଇପାରେ |
Cହଁ, ଅତିକମରେ ଦୁଇଟି |
Dହଁ, ଅସୀମ ଅନେକ |
Answer & Solution
Correct answer: B. ନା, A ଖାଲି ହୋଇପାରେ |
A ର କୌଣସି ସଦସ୍ୟ ନଥିଲେ ମଧ୍ୟ ସାର୍ବଜନୀନ ଅନ୍ତର୍ଭୁକ୍ତି ସତ୍ୟ ହୋଇପାରେ, ତେଣୁ ଅସ୍ତିତ୍ୱ ପ୍ରମାଣିତ ହୁଏନାହିଁ।
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