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Math Help - Elementary Set Question

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    Elementary Set Question

    Is the set {0, 1, 2} closed under multiplication?
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  2. #2
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    Hello,
    Quote Originally Posted by fifthrapiers View Post
    Is the set {0, 1, 2} closed under multiplication?
    \text{Is } 0 \times 0 \text{ an element of the set ?}
    \text{Is } 0 \times 1 \text{ an element of the set ?}
    \text{Is } 0 \times 2 \text{ an element of the set ?}
    \text{Is } 1 \times 1 \text{ an element of the set ?}
    \text{Is } 1 \times 2 \text{ an element of the set ?}
    \text{Is } 2 \times 2 \text{ an element of the set ?}
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    Ok the answer is no then, since 2*2 is not.
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    Moo
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    Quote Originally Posted by fifthrapiers View Post
    Ok the answer is no then, since 2*2 is not.
    Correct
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