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<b>set </b><font color="Maroon" title="c1">A</font> =  <a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1;<br/>
<b>reconsider </b><font color="Maroon" title="c2">C</font> =  <a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> <span class="p1">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1</span>)</span>,<span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><span class="p2"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><span class="p3">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1</span>)</span>,<span class="p3">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1</span>)</span></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span>,<span class="p2">(<span class="default"><a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <span class="p3">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1</span>)</span></span>)</span></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> as  <a href="cat_1.html#V1" title="CAT_1:attr.1">strict</a> <a href="cat_5.html#V3" title="CAT_5:attr.3">Categorial</a> <a href="cat_1.html#NM4" title="CAT_1:NM.4">Category</a> <b>by </b><i><a class="ref" href="cat_5.html#T11" target="_self" title="CAT_5:th.11">Th11</a></i>;<br/>
<b>take </b>
<font color="Maroon" title="c2">C</font>
;<br/>

<b>let </b><font color="Maroon" title="c3">a</font>, <font color="Maroon" title="c4">b</font> be   <a href="cat_1.html#NM4" title="CAT_1:NM.4">Category</a>; <i><font color="Red">:: according to </font></i><a class="ref" href="cat_5.html#D8" target="_self" title="CAT_5:def.8">CAT_5:def 8</a><br/>

<b>assume </b><a NAME="E2:41_1_1"/><i><font color="Green" title="E26">A1</font></i>: 
( <font color="Maroon" title="c3">a</font> is   <a href="cat_1.html#NM1" title="CAT_1:NM.1">Object</a> of <font color="Maroon" title="c2">C</font> &amp; <font color="Maroon" title="c4">b</font> is   <a href="cat_1.html#NM1" title="CAT_1:NM.1">Object</a> of <font color="Maroon" title="c2">C</font> )
 ;<br/>

<b>let </b><font color="Maroon" title="c5">F</font> be    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c3">a</font>,<font color="Maroon" title="c4">b</font>;<br/>

<a NAME="E3:41_1_1"/><i><font color="Green" title="E27">A2</font></i>: 
( <font color="Maroon" title="c3">a</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1 &amp; <font color="Maroon" title="c4">b</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1 )
 
<b>by </b><i><a class="txt" href="cat_5.html#E2:41_1_1"><i><font color="Green" title="E26">A1</font></i></a>, <a class="ref" href="tarski.html#D1" title="TARSKI:def.1">TARSKI:def 1</a></i>;<br/>
<a NAME="E4:41_1_1"/>
 <a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <span class="p1">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> 0,1</span>)</span> <a href="funct_2.html#R1" title="FUNCT_2:pred.1">=</a> <font color="Maroon" title="c5">F</font>
 
<b>by </b><i><a class="txt" href="cat_5.html#E3:41_1_1"><i><font color="Green" title="E27">A2</font></i></a>, <a class="ref" href="funct_2.html#T66" title="FUNCT_2:th.66">FUNCT_2:66</a></i>;<br/>
<b>hence </b><a NAME="E5:41_1_1"/>
<span class="p1"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><span class="p2"><a href="tarski.html#K4" title="TARSKI:func.4">[</a><span class="default"><font color="Maroon" title="c3">a</font>,<font color="Maroon" title="c4">b</font></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span>,<font color="Maroon" title="c5">F</font></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> is   <a href="cat_1.html#NM2" title="CAT_1:NM.2">Morphism</a> of <font color="Maroon" title="c2">C</font>
 <b>by </b><i><a class="txt" href="cat_5.html#E3:41_1_1"><i><font color="Green" title="E27">A2</font></i></a>, <a class="ref" href="tarski.html#D1" title="TARSKI:def.1">TARSKI:def 1</a></i>;<br/>


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