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<div><span class="kw">theorem </span><a NAME="T45"><span class="comment"><font color="firebrick">:: BCIALG_1:45</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being   <a href="bcialg_1.html#NM1" title="BCIALG_1:NM.1">BCI-algebra</a> holds   <a href="bcialg_1.html#K4" title="BCIALG_1:func.4">BCK-part</a> <font color="Olive" title="b1">X</font> is   <a href="bcialg_1.html#V12" title="BCIALG_1:attr.12">closed</a>   <a href="bcialg_1.html#M2" title="BCIALG_1:mode.2">Ideal</a> of <font color="Olive" title="b1">X</font></div></div>
