ag-gipp/GoUldI

Syntax::sntxf: "(" cannot be followed by "x, y)".

ToExpression::esntx: 
   Could not parse  F = \{ (x,y) : x \in \mathcal{R}^b,\, y \in
     \mathcal{R}^n,\; x=y \} as input.

<math 
  xmlns='http://www.w3.org/1998/Math/MathML'>
  <semantics>
    <mi>$Failed</mi>
    <annotation-xml encoding='MathML-Content'>
      <ci>$Failed</ci>
    </annotation-xml>
  </semantics>
</math>