rec-piecewise1

W3C sample	WIRIS
[N/A]	$piecewise piece 0 lt x 0 otherwise x$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <csymbol cd="piece1">piecewise</csymbol>
    <apply>
      <csymbol cd="piece1">piece</csymbol>
      <cn>0</cn>
      <apply>
        <csymbol cd="relation1">lt</csymbol>
        <ci>x</ci>
        <cn>0</cn>
      </apply>
    </apply>
    <apply>
      <csymbol cd="piece1">otherwise</csymbol>
      <ci>x</ci>
    </apply>
  </apply>
</math>

Author: MathML 2 Recommendation