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 ex <font color="Olive">Q</font> being <a href="rewrite1.html#V10" target="_self">complete</a> <a href="relat_1.html#NM1">Relation</a> st <br/>(  <a href="relat_1.html#K3">field</a> <font color="Olive">Q</font> <a href="tarski.html#R1">c=</a>  <a href="relat_1.html#K3">field</a> <font color="Maroon">R</font> &amp; ( for <font color="Olive">a</font>, <font color="Olive">b</font> being   <a href="hidden.html#M1">set</a>  holds <br/> ( <font color="Olive">a</font>,<font color="Olive">b</font> <a href="rewrite1.html#R2" target="_self">are_convertible_wrt</a> <font color="Maroon">R</font> iff <font color="Olive">a</font>,<font color="Olive">b</font> <a href="rewrite1.html#R5" target="_self">are_convergent_wrt</a> <font color="Olive">Q</font> ) ) )
 
<b>by </b><i><a class="ref" href="rewrite1.html#T15" target="_self">Th15</a></i>;<br/>
<b>hence </b><a NAME="E2:96_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being <a href="rewrite1.html#V10" target="_self">complete</a> <a href="relat_1.html#NM1">Relation</a> st <br/>for <font color="Olive">a</font>, <font color="Olive">b</font> being   <a href="hidden.html#M1">set</a>  holds <br/> ( <font color="Olive">a</font>,<font color="Olive">b</font> <a href="rewrite1.html#R2" target="_self">are_convertible_wrt</a> <font color="Maroon">R</font> iff <font color="Olive">a</font>,<font color="Olive">b</font> <a href="rewrite1.html#R5" target="_self">are_convergent_wrt</a> <font color="Olive">b<sub>1</sub></font> )
 ;<br/>


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