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1 <a href="arytm_3.html#K2">+^</a> 1 = 
 <a href="ordinal1.html#K1">succ</a> <span class="p1">(<span class="default">1 <a href="arytm_3.html#K2">+^</a> <a href="arytm_3.html#K13">{}</a> </span>)</span>
<b>by </b><i><a class="ref" href="ordinal2.html#T45">ORDINAL2:45</a>, <a class="txt" href="numbers.html#E1"><i><font color="Green">Lemma1</font></i></a></i>
<br/>.= 
 <a href="ordinal1.html#K1">succ</a> 1
<b>by </b><i><a class="ref" href="ordinal2.html#T44">ORDINAL2:44</a></i>
<br/>.= 
<font color="Maroon">c<sub>2</sub></font>
<b>by </b><i><a class="txt" href="numbers.html#E1"><i><font color="Green">Lemma1</font></i></a></i>
;<br/>
<b>hence </b><a NAME="E2:17"/>
<a href="arytm_3.html#K14">one</a>  <a href="arytm_3.html#K11">+</a> <a href="arytm_3.html#K14">one</a>  <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>2</sub></font>
 <b>by </b><i><a class="ref" href="arytm_3.html#T64">ARYTM_3:64</a></i>;<br/>


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