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February 1, 2015

February 1, 2015

Posted by **Nithiya** on Friday, October 19, 2012 at 3:03pm.

subset consisting of the elements i and j. De ne the sets A and B as follows:

A := f;; 1; 2; (1; 3); (3; 1); f1; 3g; f3; 1gg, B := f3; (1; 2); (2; 1); f1; 2g; f2; 1; 2gg. Check whether the

following statements are true or false. Give a brief explanation for your answer.

(i): jAj = 6; (ii): jBj = 5; (iii): A \ B = ;; (iv): (3; 1) 2 A; (v): (1; 3) 2 A B;

(vi): (3; 1) 2 A \ (B A); (vii): (2; 1) 2 B \ (A A); (viii): f1; 3g A.

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