an class="p">,</span><span class="n">A_var</span><span class="p">,</span><span class="n">B_var</span><span class="p">)</span><span class="o">.</span><span class="n">post_goal</span><span class="p">()</span>         <span class="c1"># A#&lt;B</span>
<span class="n">Compound</span><span class="p">(</span><span class="s2">&quot;#=&quot;</span><span class="p">,</span><span class="n">A_var</span><span class="p">,</span><span class="mi">5</span><span class="p">)</span><span class="o">.</span><span class="n">post_