ping elements from the source space to the target space.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>source</strong> (<a class="reference internal" href="topology.html#finite_topology.topology.Topology" title="finite_topology.topology.Topology"><em>Topology</em></a>) – </p></li>
<li><p><strong>target</strong> (<a class="reference internal" href="topology.html#finite_topology.topology.Topology"