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<b>thus </b><a NAME="E1:37_1_1"/>
<font color="Maroon">F</font> <a href="nattra_1.html#R2" target="_self">is_naturally_transformable_to</a> <font color="Maroon">F</font>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="nattra_1.html#D8" target="_self">NATTRA_1:def 8</a><br/>

<b>thus </b><a NAME="E2:37_1_1"/>
for <font color="Olive">a</font>, <font color="Olive">b</font> being  <a href="cat_1.html#NM1">Object</a> of <font color="Maroon">A</font>  st  <a href="cat_1.html#K6">Hom</a> <font color="Olive">a</font>,<font color="Olive">b</font> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a>  holds <br/>for <font color="Olive">f</font> being   <a href="cat_1.html#M1">Morphism</a> of <font color="Olive">a</font>,<font color="Olive">b</font> holds  <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="nattra_1.html#K4" target="_self">id</a> <font color="Maroon">F</font></span>)</span> <a href="nattra_1.html#K5" target="_self">.</a> <font color="Olive">b</font></span>)</span> <a href="cat_1.html#K9">*</a> <span class="p1">(<span class="default"><font color="Maroon">F</font> <a href="nattra_1.html#K3" target="_self">.</a> <font color="Olive">f</font></span>)</span> <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">F</font> <a href="nattra_1.html#K3" target="_self">.</a> <font color="Olive">f</font></span>)</span> <a href="cat_1.html#K9">*</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="nattra_1.html#K4" target="_self">id</a> <font color="Maroon">F</font></span>)</span> <a href="nattra_1.html#K5" target="_self">.</a> <font color="Olive">a</font></span>)</span>
 <b>by </b><i/>;<br/>


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