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<div><span class="kw">theorem </span><a NAME="T73"><span class="comment"><font color="firebrick">:: EUCLID_8:73</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">p1</font>, <font color="Olive" title="b2">p2</font> being    <a href="finseq_2.html#M2" title="FINSEQ_2:mode.2">Element</a> of  <a href="euclid.html#K1" title="EUCLID:func.1">REAL</a> 3 holds  <span class="p1"><a href="rvsum_1.html#K22" title="RVSUM_1:func.22">|(</a><span class="default"><span class="p2">(<span class="default"><a href="euclid.html#K6" title="EUCLID:func.6">-</a> <font color="Olive" title="b1">p1</font></span>)</span>,<span class="p2">(<span class="default"><a href="euclid.html#K6" title="EUCLID:func.6">-</a> <font color="Olive" title="b2">p2</font></span>)</span></span><a href="rvsum_1.html#K22" title="RVSUM_1:func.22">)|</a></span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="rvsum_1.html#K22" title="RVSUM_1:func.22">|(</a><span class="default"><font color="Olive" title="b1">p1</font>,<font color="Olive" title="b2">p2</font></span><a href="rvsum_1.html#K22" title="RVSUM_1:func.22">)|</a></span> <span class="kw">by</span> <span class="lab"><a class="ref" href="rvsum_1.html#T133" onmouseover="rs('rvsum_1/T133')" onmouseout="rh()">RVSUM_1:133</a></span>;<br/></div></div>
