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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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,1;<br/>
<b>take </b>
 <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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,1</span>)</span>,<span class="p3">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,1</span>)</span></span>)</span></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span>
;<br/>

<b>thus </b><a NAME="E1:28_1_1"/>
 <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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,1</span>)</span>,<span class="p3">(<span class="default"><a href="cat_1.html#K8" title="CAT_1:func.8">1Cat</a> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,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> <a href="numbers.html#NK2" title="NUMBERS:NK.2">0</a> ,1</span>)</span></span>)</span></span><a href="tarski.html#K4" title="TARSKI:func.4">]</a></span> is <a href="cat_5.html#V3" title="CAT_5:attr.3">Categorial</a>
 <b>by </b><i><a class="ref" href="cat_5.html#T11" target="_self" title="CAT_5:th.11">Th11</a></i>;<br/>


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