Sandip Asked a Question
June 10, 2021 9:59 ampts 30 pts
13. Let S and T be two non-empty sets and f : S T be a function such that for all subsets A and B of S, we have f(AN B) = f(A) n fB). Then (A) There exists an ACS such that f-(f(A)) # A. (B) There exist disjoint subsets A and B of S such that SA)n f(B)#o. (C) fis injective. (D) None of the above statements is true.
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  • Alka gupta thankyou
    ans D....
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