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Math Help - give couner-example of this argument

  1. #1
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    give couner-example of this argument

    (T+U)\cap W=(T\cap W)+(U\cap W) where , T,U,W are subspaces of V.
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  2. #2
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    In \mathbb{R}^2 you could take T to be the x-axis, U to be the y-axis and W the line y=x.
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