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    Set notation

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    A= {n element of Z : n=4q+1 for q element of Z}
    B= {m element of Z : m=8r-3 for r element of Z}


    a) A is in B
    b) B is in A
    C) A=B

    in set notation.

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    Solution Preview

    A is not contained in B: for instance, 9=4x2+1 is an element of A, but it is not an ...

    Solution Summary

    The solution looks at two sets and discusses proofs regarding their contents and equality.