Example exc-031

Prev: exc-030

Next: exc-032

F x Fx F

<math>
<apply><forall/>
  <bvar><ci>F</ci></bvar>
  <apply><eq/>
    <lambda>
      <bvar><ci>x</ci></bvar>
      <apply><ci>F</ci><ci>x</ci></apply>
    </lambda>
    <ci>F</ci>
  </apply>
</apply>
</math>