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Prove that : (i) (A nn B) sub A (ii) (A...

Prove that : (i) `(A nn B) sub A` (ii) `(A nn B) sub B`.

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MODERN PUBLICATION-SETS-EXERCISE
  1. If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then:...

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  2. Prove that : (i) A sub (A uu B) (ii) B sub (A uu B).

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  3. Prove that : (i) (A nn B) sub A (ii) (A nn B) sub B.

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  4. Prove that A^c-B^c=B-A.

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  5. Prove that : B^(c) -A^(c)=A-B.

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  6. If A^(c) uu B=U, show that A sub B.

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  7. Let U = {1, 2, 3, 4, 5, 6}, A = (2, 3} and B = (3, 4, 5}. Find A’, B’,...

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  8. If U = (1,2, 3,............., 10} , A = {1, 2, 3, 4, 5}, B = {1, 3, 5,...

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  9. If U = (1,2, 3,............., 10} , A = {1, 2, 3, 4, 5}, B = {1, 3, 5,...

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  10. If U = (1,2, 3,............., 10} , A = {1, 2, 3, 4, 5}, B = {1, 3, 5,...

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  11. If U = (1,2, 3,............., 10} , A = {1, 2, 3, 4, 5}, B = {1, 3, 5,...

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  12. If A={1,2,4, 5}, B= {2, 3, 5, 6} and C = (4, 5, 6, 7}, then verify tha...

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  13. If A = {1, 2, 3, 4, 5}, B = {2, 3,5, 7, 9} and C = {3, 4, 6, 8, 10}, t...

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  14. Prove that A sub B,B sub C implies A sub C.

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  15. Prove the following : A sub B iff A^(c) sup B^(c).

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  16. Prove the following : A sub B iff A nn B=A.

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  17. Prove the following : A sub B iff A uu B=B.

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  18. Prove that following : (x notin A implies x notin B) iff B sub A .

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  19. Prove that following : (A uu B=U) iff B^(c) sub A iff A^(c) sub B.

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  20. Prove that following : (A nn B=phi) iff A sub B^(c) implies B sub A^(...

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