          are the <code class="computeroutput"><span class="identifier">Real</span></code> adjacents
            of any real number in the interval <code class="computeroutput"><span class="special">[-</span><span class="number">2.0</span><span class="special">,-</span><span class="number">1.5</span><span class="special">]</span></code>, yet there are no <code class="computeroutput"><span class="identifier">Real</span></code>
            adjacents for <code class="computeroutput"><span class="identifier">x<