Example exc-069

Prev: exc-068

Next: exc-070

a 1a 1

<math>
<apply><forall/>
  <bvar><ci>a</ci></bvar>
  <apply><eq/>
    <apply><power/><cn>1</cn><ci>a</ci></apply>
    <cn>1</cn>
  </apply>
</apply>
</math>