Display:

$\forall n, (n> 0)\land n\in \mathbb{Z}\colon \exists x, y, z, x\in \mathbb{Z}\land y\in \mathbb{Z}\land z\in \mathbb{Z}\colon x^n+y^n=z^n$

Source:

<apply>
     <forall/>
     <bvar>
          <ci> n </ci>
     </bvar>
     <condition>
          <apply>
               <and/>
               <apply>
                    <gt/>
                    <ci> n </ci>
                    <cn> 0 </cn>
               </apply>
               <apply>
                    <in/>
                    <ci> n </ci>
                    <integers/>
               </apply>
          </apply>
     </condition>
     <apply>
          <exists/>
          <bvar>
               <ci> x </ci>
          </bvar>
          <bvar>
               <ci> y </ci>
          </bvar>
          <bvar>
               <ci> z </ci>
          </bvar>
          <condition>
               <apply>
                    <and/>
                    <apply>
                         <in/>
                         <ci> x </ci>
                         <integers/>
                    </apply>
                    <apply>
                         <in/>
                         <ci> y </ci>
                         <integers/>
                    </apply>
                    <apply>
                         <in/>
                         <ci> z </ci>
                         <integers/>
                    </apply>
               </apply>
          </condition>
          <apply>
               <eq/>
               <apply>
                    <plus/>
                    <apply>
                         <power/>
                         <ci> x </ci>
                         <ci> n </ci>
                    </apply>
                    <apply>
                         <power/>
                         <ci> y </ci>
                         <ci> n </ci>
                    </apply>
               </apply>
               <apply>
                    <power/>
                    <ci> z </ci>
                    <ci> n </ci>
               </apply>
          </apply>
     </apply>
</apply>