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Element:exists
Attributes:class | definitionURL | encoding | id | other | style | xlink:href | xref |
Parents:apply | bvar | condition | declare | degree | domainofapplication | fn | interval | lambda | list | logbase | lowlimit | matrix | matrixrow | momentabout | otherwise | piece | reln | semantics | set | uplimit | vector |

Examples:

XHTML documentMathML Source
Example from standard
<apply>
     <exists/>
     <bvar>
          <ci> x </ci>
     </bvar>
     <apply>
          <eq/>
          <apply>
               <fn>
                    <ci> f </ci>
               </fn>
               <ci> x </ci>
          </apply>
          <cn>0</cn>
     </apply>
</apply>