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Number Theory Symbol

  1. Dec 5, 2007 #1
    What does the symbol Î mean in number theory? As in...
    Prove if r,s Î Z, then 4r + 6s is even...

    Also, where can I find a website with a comprehensive math symbol index?
     
  2. jcsd
  3. Dec 5, 2007 #2

    cristo

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    It should be [itex]\in[/itex]. There's probably some conflict where they both use the same code or something like that.
     
  4. Dec 5, 2007 #3

    jim mcnamara

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    Cristo is pointing out that what you see is a font translation/rendering problem, and quite correctly. I've had things like that happen and confuse the living ... out of me.
     
  5. Dec 5, 2007 #4

    Gokul43201

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