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<b>consider </b><font color="Maroon">c<sub>3</sub></font> being    <a href="ringcat1.html#M1" target="_self">Morphism</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>;<br/>
<b>reconsider </b><font color="Maroon">c<sub>4</sub></font> = <span class="p1"><a href="tarski.html#K1">{</a><span class="default"><font color="Maroon">c<sub>3</sub></font></span><a href="tarski.html#K1">}</a></span> as   <a href="ringcat1.html#NM5">RingMorphism_DOMAIN</a> <b>by </b><i><a class="ref" href="ringcat1.html#T17" target="_self">Th17</a></i>;<br/>
<b>take </b>
<font color="Maroon">c<sub>4</sub></font>
;<br/>

<b>thus </b><a NAME="E3:46_1_1"/>
for <font color="Olive">b<sub>1</sub></font> being   <a href="ringcat1.html#M3" target="_self">Element</a> of <font color="Maroon">c<sub>4</sub></font> holds <font color="Olive">b<sub>1</sub></font> is    <a href="ringcat1.html#M1" target="_self">Morphism</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>
 <b>by </b><i><a class="ref" href="tarski.html#D1">TARSKI:def 1</a></i>;<br/>


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