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<div><span class="kw">theorem </span><a NAME="T3"><span class="comment"><font color="firebrick">:: MUSIC_S1:3</font></span><br/></a><div class="add"> <a href="arytm_3.html#K5" title="ARYTM_3:func.5">RAT+</a>  <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="numbers.html#K3" title="NUMBERS:func.3">RAT</a> </div></div>
