eftdescent</code></a> ‚Äî <span class="docstring-category">Method</span></header><section><div><p><code>isleftdescent(W::CoxeterGroup,w,i::Integer)</code></p><p>returns  <code>true</code> iff the  <code>i</code>-th generating reflection  of the Coxeter group <code>W</code>  is in  the left  descent set  of the  element <code>w</code>  of <code>W</code>, that is iff <code>length(W,W(i)*w)&lt;length(W,w)</code>.</p><pre><code class="language-julia-repl hljs">julia&gt; W=coxsym(3)
ùîñ ‚ÇÉ

julia&