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Math Help - (g ∘ f )^-1 ( B)= g^-1(f^-1)(B))

  1. #1
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    (g ∘ f )^-1 ( B)= g^-1(f^-1)(B))

    SUPPOSE that g: A1--->A2 and f: A2--->A3. If B⊂ A3, show that

    (g ∘ f )^-1 ( B)= g^-1(f^-1)(B))
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  2. #2
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    I see that you have only two postings. So welcome.
    You do understand that this is not a homework service?
    So you need to either post some of your work on a problem or you need to explain what you do not understand about the question.
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