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<div><span class="kw">theorem </span><a NAME="T85"><span class="comment"><font color="firebrick">:: FINSEQ_1:85</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   <a href="finseq_1.html#V3" title="FINSEQ_1:attr.3">FinSequence-membered</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>   ex <font color="Olive" title="b2">Y</font> being   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  st <font color="Olive" title="b1">X</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b2">Y</font> <a href="finseq_1.html#K13" title="FINSEQ_1:func.13">*</a> </div></div>
