rec-forall4

forall/exists/and/plus
W3C sample	WIRIS
	$n n 0 n x y z x y z x n y n z n$
<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <forall/>
    <bvar>
      <ci>n</ci>
    </bvar>
    <condition>
      <apply>
        <and/>
        <apply>
          <gt/>
          <ci>n</ci>
          <cn>0</cn>
        </apply>
        <apply>
          <in/>
          <ci>n</ci>
          <integers/>
        </apply>
      </apply>
    </condition>
    <apply>
      <exists/>
      <bvar>
        <ci>x</ci>
      </bvar>
      <bvar>
        <ci>y</ci>
      </bvar>
      <bvar>
        <ci>z</ci>
      </bvar>
      <condition>
        <apply>
          <and/>
          <apply>
            <in/>
            <ci>x</ci>
            <integers/>
          </apply>
          <apply>
            <in/>
            <ci>y</ci>
            <integers/>
          </apply>
          <apply>
            <in/>
            <ci>z</ci>
            <integers/>
          </apply>
        </apply>
      </condition>
      <apply>
        <eq/>
        <apply>
          <plus/>
          <apply>
            <power/>
            <ci>x</ci>
            <ci>n</ci>
          </apply>
          <apply>
            <power/>
            <ci>y</ci>
            <ci>n</ci>
          </apply>
        </apply>
        <apply>
          <power/>
          <ci>z</ci>
          <ci>n</ci>
        </apply>
      </apply>
    </apply>
  </apply>
</math>
Author: MathML 2 Recomendation