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Math Help - Definition of sigma algebra.

  1. #1
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    Definition of sigma algebra.

    maybe this will be a silly question but...

    why a sigma-algebra is called "sigma"?
    what represents the term "sigma" in that context?
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  2. #2
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    Re: Definition of sigma algebra.

    Quote Originally Posted by ayrcast View Post
    why a sigma-algebra is called "sigma"?
    what represents the term "sigma" in that context?
    Read about it here.
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