n><span class="o">.</span><span class="n">equal?</span><span class="p" data-group-id="3725611105-4">(</span><span class="w">
</span><span class="gp unselectable">...&gt; </span><span class="w">  </span><span class="nc">Vector</span><span class="o">.</span><span class="n">cross</span><span class="p" data-group-id="3725611105-5">(</span><span class="nc">Vector</span><span class="o">.</span><span class="n">cross</span><span class="p" data-group-id="3725611105-6">(</span><span class="n">a</span><span class="p">