ta in terms of itself.</li>
</ul>
<aside><h4>Exercises:</h4> <ul class="flat"><li class="flat__item"><a href="../../exercise/3/5.html#ex3.53">3.53</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.54">3.54</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.55">3.55</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.56">3.56</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.57">3.57</a>, </li><li class="flat__item"><a href="../../e