<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
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    <mi>&Psi;</mi>
    <annotation-xml encoding="MathML-Content">
      <ci>&Psi;</ci>
    </annotation-xml>
    <annotation encoding="SnuggleTeX">\[ \Psi \]</annotation>
    <annotation encoding="LaTeX">\[ \Psi \]</annotation>
    <annotation encoding="Maxima">%Psi</annotation>
  </semantics>
</math>
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <semantics>
    <mi>&Psi;</mi>
    <annotation encoding="SnuggleTeX">\[ \Psi \]</annotation>
  </semantics>
</math>
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mi>&Psi;</mi>
</math>
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <ci>&Psi;</ci>
</math>
%Psi