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<div><span class="kw">theorem </span><a NAME="T56"><span class="comment"><font color="firebrick">:: QC_LANG3:56</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font> being    <a href="qc_lang1.html#M1" title="QC_LANG1:mode.1">QC-alphabet</a>  holds   <a href="qc_lang3.html#K5" title="QC_LANG3:func.5">Free</a> <span class="p1">(<span class="default"><a href="qc_lang2.html#K1" title="QC_LANG2:func.1">FALSUM</a> <font color="Olive" title="b1">A</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="qc_lang3.html#T40" target="_self" onmouseover="rs('qc_lang3/T40')" onmouseout="rh()">Th40</a></span>;<br/></div></div>
