File:	Content/SequencesAndSeries/sum/rec-sum1.html
Author:	MathML 2 Recomendation
Description:
Sample Rendering:

Your browser's rendering:

x a b f x x x B f x

Source Code:

    <math> 
      <apply> 
        <sum/> 
        <bvar> 
          <ci> x </ci> 
        </bvar> 
        <lowlimit> 
          <ci> a </ci> 
        </lowlimit> 
        <uplimit> 
          <ci> b </ci> 
        </uplimit> 
        <apply> 
          <ci type="fn"> f </ci> 
          <ci> x </ci> 
        </apply> 
      </apply> 
      <apply> 
        <sum/> 
        <bvar> 
          <ci> x </ci> 
        </bvar> 
        <condition> 
          <apply> 
            <in/> 
            <ci> x </ci> 
            <ci type="set"> B </ci> 
          </apply> 
        </condition> 
        <apply> 
          <ci type="fn"> f </ci> 
          <ci> x </ci> 
        </apply> 
      </apply> 
    </math>
  

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