ag-gipp/GoUldI

<math 
  xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="StartFraction partial-differential f Over partial-differential x EndFraction equals f Subscript x Baseline equals partial-differential Subscript x Baseline f">
  <semantics>
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            <mi mathvariant="normal" data-semantic-type="prefixop" data-semantic-role="prefix function" data-semantic-font="normal" data-semantic-id="0" data-semantic-parent="3">∂
              <!-- ∂ -->
            </mi>
            <mo data-semantic-type="punctuation" data-semantic-role="application" data-semantic-id="2" data-semantic-parent="3" data-semantic-added="true" data-semantic-operator="appl">⁡</mo>
            <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="1" data-semantic-parent="3">f</mi>
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          <mrow data-semantic-type="appl" data-semantic-role="prefix function" data-semantic-id="7" data-semantic-children="4,5" data-semantic-content="6" data-semantic-parent="8">
            <mi mathvariant="normal" data-semantic-type="prefixop" data-semantic-role="prefix function" data-semantic-font="normal" data-semantic-id="4" data-semantic-parent="7">∂
              <!-- ∂ -->
            </mi>
            <mo data-semantic-type="punctuation" data-semantic-role="application" data-semantic-id="6" data-semantic-parent="7" data-semantic-added="true" data-semantic-operator="appl">⁡</mo>
            <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="5" data-semantic-parent="7">x</mi>
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      <mo data-semantic-type="relation" data-semantic-role="equality" data-semantic-id="9" data-semantic-parent="20" data-semantic-operator="relseq,=">=</mo>
      <msub data-semantic-type="subscript" data-semantic-role="latinletter" data-semantic-id="12" data-semantic-children="10,11" data-semantic-parent="20">
        <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="10" data-semantic-parent="12">f</mi>
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          <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="11" data-semantic-parent="12">x</mi>
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      <mo data-semantic-type="relation" data-semantic-role="equality" data-semantic-id="13" data-semantic-parent="20" data-semantic-operator="relseq,=">=</mo>
      <mrow data-semantic-type="appl" data-semantic-role="prefix function" data-semantic-id="19" data-semantic-children="16,17" data-semantic-content="18" data-semantic-parent="20">
        <msub data-semantic-type="subscript" data-semantic-role="prefix function" data-semantic-id="16" data-semantic-children="14,15" data-semantic-parent="19">
          <mi mathvariant="normal" data-semantic-type="prefixop" data-semantic-role="prefix function" data-semantic-font="normal" data-semantic-id="14" data-semantic-parent="16">∂
            <!-- ∂ -->
          </mi>
          <mrow class="MJX-TeXAtom-ORD">
            <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="15" data-semantic-parent="16">x</mi>
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        <mo data-semantic-type="punctuation" data-semantic-role="application" data-semantic-id="18" data-semantic-parent="19" data-semantic-added="true" data-semantic-operator="appl">⁡</mo>
        <mi data-semantic-type="identifier" data-semantic-role="latinletter" data-semantic-font="italic" data-semantic-id="17" data-semantic-parent="19">f</mi>
      </mrow>
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    <annotation encoding="application/x-tex">{\frac {\partial f}{\partial x}}=f_{x}=\partial _{x}f</annotation>
  </semantics>
</math>