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<a NAME="E1:52_2_1"/>
<span class="p1"><a href="quaterni.html#K6" target="_self">[*</a><span class="default">1,0,0,0</span><a href="quaterni.html#K6" target="_self">*]</a></span> <a href="hidden.html#R1">=</a> <span class="p1"><a href="arytm_0.html#K5">[*</a><span class="default">1,0</span><a href="arytm_0.html#K5">*]</a></span>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:52_2_1"/>
1 is  <a href="quaterni.html#V1" target="_self">quaternion</a>  <a href="ordinal1.html#NM1" target="_self">number</a> 
 <b>by </b><i><a class="ref" href="arytm_0.html#D7">ARYTM_0:def 7</a></i>;<br/>


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