ule 4.
          </li>
<li class="listitem">
            Continuing, <code class="computeroutput"><span class="identifier">arg1</span> <span class="special">+</span>
            <span class="number">3</span> <span class="special">+</span> <span class="number">6</span></code> is again lazily evaluated. Rule 2.
          </li>
<li class="listitem">
            By rule 4 again, the result of <code class="computeroutput"><span class="identifier">arg1</span>
            <span class="special">+</span> <span class