the source space.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><p><strong>subset</strong> (<em>set</em>) – </p>
</dd>
<dt class="field-even">Return type<span class="colon">:</span></dt>
<dd class="field-even"><p>set</p>
</dd>
</dl>
</dd></dl>

<dl class="py method">
<dt class="sig sig-object py" id="finite_topology.functions.Function.get_preimage">
<span class="sig-name descname"><span class="pre">get_preimage</span></span><span