></span></span><span class="" style="top: -0.45em;"><span class="pstrut" style="height: 3.26em;"></span><span class="mord"><span class="mord mathnormal">i</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height: 3.35em;"><span class=""></span></span></span></span></span><span class="arraycolsep" style="width: 0.5em;"></span></span></span><span class="" style="top: -4.3em;"><span class="pstrut" style="height: 5.85em;"></span><span class="hdash