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<a NAME="E1:21_1_1"/>
(  <a href="cat_1.html#K6">Hom</a> <span class="p1">(<span class="default"><a href="cat_1.html#K2">dom</a> <font color="Maroon">f</font></span>)</span>,<span class="p1">(<span class="default"><a href="cat_1.html#K3">cod</a> <font color="Maroon">f</font></span>)</span> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a>  &amp; <font color="Maroon">f</font> is    <a href="cat_1.html#M1">Morphism</a> of  <a href="cat_1.html#K2">dom</a> <font color="Maroon">f</font>, <a href="cat_1.html#K3">cod</a> <font color="Maroon">f</font> )
 
<b>by </b><i><a class="ref" href="cat_1.html#T19">CAT_1:19</a>, <a class="ref" href="cat_1.html#T22">CAT_1:22</a></i>;<br/>
<b>hence </b><a NAME="E2:21_1_1"/>
<span class="p1">(<span class="default"><a href="isocat_2.html#K3" target="_self">curry</a> <font color="Maroon">F</font>,<font color="Maroon">f</font></span>)</span> <a href="partfun1.html#K1">*</a> the <a href="cat_1.html#U6">Id</a> of <font color="Maroon">B</font> is    <a href="nattra_1.html#M2">natural_transformation</a> of <font color="Maroon">F</font> <a href="cat_2.html#K15">?-</a> <span class="p1">(<span class="default"><a href="cat_1.html#K2">dom</a> <font color="Maroon">f</font></span>)</span>,<font color="Maroon">F</font> <a href="cat_2.html#K15">?-</a> <span class="p1">(<span class="default"><a href="cat_1.html#K3">cod</a> <font color="Maroon">f</font></span>)</span>
 <b>by </b><i/>;<br/>


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