lass="fa fa-check"></i><b>2.1.1</b> General definition of a graph</a></li>
<li class="chapter" data-level="2.1.2" data-path="working.html"><a href="working.html#graph-types"><i class="fa fa-check"></i><b>2.1.2</b> Types of graphs</a></li>
<li class="chapter" data-level="2.1.3" data-path="working.html"><a href="working.html#vertex-edge-prop"><i class="fa fa-check"></i><b>2.1.3</b> Vertex and edge properties</a></li>
<li class="chapter" data-level="2.1.4" data-path="working.html"><a href="working.html#rep-gra