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Math Help - Is X a subset of X * Y

  1. #1
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    Is X a subset of X * Y

    Is X a subset of
    <br />
X \times Y ?<br /> <br />
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  2. #2
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    Quote Originally Posted by szpengchao View Post
    Is X a subset of
    <br />
X \times Y ?<br /> <br />
    Let X=Y= \{0\}.
    What does that tell you?
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