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Math Help - Relations.

  1. #1
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    Relations.

    Problem:

    Is it possible for a function f:R ---> R to be symmetric as a relation? Give an example or explain why the answer is no.
    Last edited by mr fantastic; March 18th 2011 at 06:40 PM. Reason: Re-titled.
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  2. #2
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    Quote Originally Posted by tygracen View Post
    Is it possible for a function f:R ---> R to be symmetric as a relation?
    What about f(x)=x?
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