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<b>thus </b><a NAME="E1:16_1_1"/>
 <a href="group_1.html#K4" title="GROUP_1:func.4">inverse_op</a> <font color="Maroon" title="c1">G</font> is <a href="funct_1.html#V2" title="FUNCT_1:attr.2">one-to-one</a>
 <b>by </b><i><a class="ref" href="topgrp_1.html#T12" target="_self" title="TOPGRP_1:th.12">Th12</a></i>;<br/>

<b>thus </b><a NAME="E2:16_1_1"/>
 <a href="relset_1.html#K5" title="RELSET_1:func.5">rng</a> <span class="p1">(<span class="default"><a href="group_1.html#K4" title="GROUP_1:func.4">inverse_op</a> <font color="Maroon" title="c1">G</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">G</font>
 <b>by </b><i><a class="ref" href="topgrp_1.html#T13" target="_self" title="TOPGRP_1:th.13">Th13</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="funct_2.html#D3" title="FUNCT_2:def.3">FUNCT_2:def 3</a><br/>


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