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Which of the following statements are co...

Which of the following statements are correct? Write a correct form of each of the incorrect statements. (i) `varphi in {a , b}` (ii) `varphisub{a , b , c}` (iii) `{x : x+3=3}=varphi`

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RD SHARMA ENGLISH-SETS-All Questions
  1. Which of the following statements are correct? Write a correct form of...

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  2. Which of the following statements are correct? Write a correct form of...

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  3. Which of the following statements are correct? Write a correct form of...

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  4. Let A={a , b ,{c , d},\ e} . Which of the following statements are fal...

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  5. Let A={a , b ,{c , d},\ e} . Which of the following statements are fal...

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  6. Let A={a , b ,{c , d},\ e} . Which of the following statements are fal...

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  7. Let A={{1,2,3},\ {4,5},\ {6,7,8}}dot Determine which of the following ...

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  8. Let A={{1,2,3},\ {4,5},\ {6,7,8}}dot Determine which of the following ...

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  9. Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are t...

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  10. Let A={varphi{varphi},1,{1,varphi},2}dot Which of the following are tr...

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  11. Let A={varphi,{varphi},1,{1,varphi},2}dot Which of the following are t...

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  12. Write down all possible subset of each of the following set: {0,1}

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  13. Write down all possible subset of each of the following set: {1,{1}}

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  14. Write down all possible subset of each of the following set: {varphi}

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  15. Write down all possible subset of each of the following set: {a , b , ...

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  16. Write down all possible proper subsets each of the following set: {1,2...

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  17. Write down all possible proper subsets each of the following set: {1,2...

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  18. Write down all possible proper subsets each of the following set: {1}

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  19. How many elements has (A),\ if\ A=varphi?

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  20. If A={1,2,3}a n d\ B={1,3,5,7},\ t h e n\ AuuB= {1,2,3,5,7} .

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