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<span class="kw">let </span><font color="Maroon" title="c1">C</font>, <font color="Maroon" title="c2">D</font>, <font color="Maroon" title="c3">C9</font>, <font color="Maroon" title="c4">D9</font> be   <a href="cat_1.html#NM4" title="CAT_1:NM.4">Category</a>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> for <font color="Olive" title="b1">T</font> being   <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c2">D</font><br/> for <font color="Olive" title="b2">T9</font> being   <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c3">C9</font>,<font color="Maroon" title="c4">D9</font> holds  <span class="p1"><a href="cat_2.html#K9" title="CAT_2:func.9">[:</a><span class="default"><font color="Olive" title="b1">T</font>,<font color="Olive" title="b2">T9</font></span><a href="cat_2.html#K9" title="CAT_2:func.9">:]</a></span> is    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span>,<span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c2">D</font>,<font color="Maroon" title="c4">D9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span></span><br/><span class="kw">let </span><font color="Maroon" title="c5">T</font> be    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c2">D</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> for <font color="Olive" title="b1">T9</font> being   <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c3">C9</font>,<font color="Maroon" title="c4">D9</font> holds  <span class="p1"><a href="cat_2.html#K9" title="CAT_2:func.9">[:</a><span class="default"><font color="Maroon" title="c5">T</font>,<font color="Olive" title="b1">T9</font></span><a href="cat_2.html#K9" title="CAT_2:func.9">:]</a></span> is    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span>,<span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c2">D</font>,<font color="Maroon" title="c4">D9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span></span><br/><span class="kw">let </span><font color="Maroon" title="c6">T9</font> be    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <font color="Maroon" title="c3">C9</font>,<font color="Maroon" title="c4">D9</font>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> <span class="p1"><a href="cat_2.html#K9" title="CAT_2:func.9">[:</a><span class="default"><font color="Maroon" title="c5">T</font>,<font color="Maroon" title="c6">T9</font></span><a href="cat_2.html#K9" title="CAT_2:func.9">:]</a></span> is    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span>,<span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c2">D</font>,<font color="Maroon" title="c4">D9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span></span><br/>











<a NAME="E1:82"/>
<span class="p1"><a href="cat_2.html#K9" title="CAT_2:func.9">[:</a><span class="default"><font color="Maroon" title="c5">T</font>,<font color="Maroon" title="c6">T9</font></span><a href="cat_2.html#K9" title="CAT_2:func.9">:]</a></span> <a href="funct_2.html#R1" title="FUNCT_2:pred.1">=</a> <span class="p1"><a href="cat_2.html#K19" title="CAT_2:func.19">&lt;:</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon" title="c5">T</font> <a href="cat_1.html#K10" title="CAT_1:func.10">*</a> <span class="p3">(<span class="default"><a href="cat_2.html#K17" title="CAT_2:func.17">pr1</a> <font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span>)</span></span>)</span>,<span class="p2">(<span class="default"><font color="Maroon" title="c6">T9</font> <a href="cat_1.html#K10" title="CAT_1:func.10">*</a> <span class="p3">(<span class="default"><a href="cat_2.html#K18" title="CAT_2:func.18">pr2</a> <font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span>)</span></span>)</span></span><a href="cat_2.html#K19" title="CAT_2:func.19">:&gt;</a></span>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="cat_2.html#T64" target="_self" title="CAT_2:th.64">Th64</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:82"/>
<span class="p1"><a href="cat_2.html#K9" title="CAT_2:func.9">[:</a><span class="default"><font color="Maroon" title="c5">T</font>,<font color="Maroon" title="c6">T9</font></span><a href="cat_2.html#K9" title="CAT_2:func.9">:]</a></span> is    <a href="cat_1.html#M2" title="CAT_1:mode.2">Functor</a> of <span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c1">C</font>,<font color="Maroon" title="c3">C9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span>,<span class="p1"><a href="cat_2.html#K11" title="CAT_2:func.11">[:</a><span class="default"><font color="Maroon" title="c2">D</font>,<font color="Maroon" title="c4">D9</font></span><a href="cat_2.html#K11" title="CAT_2:func.11">:]</a></span>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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