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<b>let </b><font color="Maroon" title="c1">R</font> be   <a href="gcd_1.html#NM3" title="GCD_1:NM.3">gcdDomain</a>;<br/><b>let </b><font color="Maroon" title="c2">Amp</font> be    <a href="gcd_1.html#M2" title="GCD_1:mode.2">AmpleSet</a> of <font color="Maroon" title="c1">R</font>;<br/><b>let </b><font color="Maroon" title="c3">x</font>, <font color="Maroon" title="c4">y</font> be   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Maroon" title="c1">R</font>;<br/>





<b>assume </b><a NAME="E1:73"/>
<font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">y</font> <a href="gcd_1.html#R7" title="GCD_1:pred.7">are_co-prime</a> 
 ;<br/>

<b>then consider </b><font color="Maroon" title="c5">Amp'</font> being    <a href="gcd_1.html#M2" title="GCD_1:mode.2">AmpleSet</a> of <font color="Maroon" title="c1">R</font><b> such that </b><br/><a NAME="E3:73"/><i><font color="Green" title="E55">A1</font></i>: 
 <a href="gcd_1.html#K5" title="GCD_1:func.5">gcd</a> <font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">y</font>,<font color="Maroon" title="c5">Amp'</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="group_1.html#K2" title="GROUP_1:func.2">1.</a> <font color="Maroon" title="c1">R</font>
 <b>by </b><i><a class="ref" href="gcd_1.html#D14" target="_self" title="GCD_1:def.14">Def14</a></i>;<br/>
<a NAME="E4:73"/>
<font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">y</font> <a href="gcd_1.html#R5" title="GCD_1:pred.5">are_canonical_wrt</a> <font color="Maroon" title="c5">Amp'</font>
 
<b>by </b><i><a class="txt" href="gcd_1.html#E3:73"><i><font color="Green" title="E55">A1</font></i></a>, <a class="ref" href="gcd_1.html#D13" target="_self" title="GCD_1:def.13">Def13</a></i>;<br/>
<a NAME="E5:73"/><b>then </b>
<font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">y</font> <a href="gcd_1.html#R5" title="GCD_1:pred.5">are_canonical_wrt</a> <font color="Maroon" title="c2">Amp</font>
 
<b>by </b><i><a class="ref" href="gcd_1.html#T43" target="_self" title="GCD_1:th.43">Th43</a></i>;<br/>
<b>hence </b><a NAME="E6:73"/>
 <a href="gcd_1.html#K5" title="GCD_1:func.5">gcd</a> <font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">y</font>,<font color="Maroon" title="c2">Amp</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="group_1.html#K2" title="GROUP_1:func.2">1.</a> <font color="Maroon" title="c1">R</font>
 <b>by </b><i><a class="ref" href="gcd_1.html#D13" target="_self" title="GCD_1:def.13">Def13</a></i>;<br/>


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