"mord" style=""><span class="mord mathcal coloredeq eqj" style="">A</span></span><span class="mord" style="">∣</span></span></span><span style="top:-3.23em;"><span class="pstrut" style="height:3em;"></span><span class="frac-line" style="border-bottom-width:0.04em"></span></span><span style="top:-3.677em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style=""><span class="mord" style="">1</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span cla