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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E4">Th7</font></span>: <a NAME="T7"><span class="comment"><font color="firebrick">:: RVSUM_1:7</font></span><br/></a><div class="add"> <a href="binop_2.html#K7" title="BINOP_2:func.7">compreal</a>  <a href="finseqop.html#R1" title="FINSEQOP:pred.1">is_an_inverseOp_wrt</a>  <a href="binop_2.html#K9" title="BINOP_2:func.9">addreal</a> </div></div>
