<math
xmlns='http://www.w3.org/1998/Math/MathML'>
<semantics>
<mrow>
<mi>A</mi>
<mo>⊕</mo>
<mi>B</mi>
</mrow>
<annotation-xml encoding='MathML-Content'>
<apply>
<ci>CirclePlus</ci>
<ci>A</ci>
<ci>B</ci>
</apply>
</annotation-xml>
</semantics>
</math>