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    Prove a First Set Mapping

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    Consider an arbitrary mapping f : X -->Y. Prove the main property of the first set mapping:

    f(X) is a subset of Y.

    See attachment for fully-formatted version of the question, should your display not include the symbols.

    © BrainMass Inc. brainmass.com October 9, 2019, 8:07 pm ad1c9bdddf
    https://brainmass.com/math/geometry-and-topology/140009

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    This solution shows the step by step proof that the function is a subset of Y in an attached Word document.

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