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<a NAME="E1:48_2_1"/>
 <a href="relset_1.html#K4">dom</a> <a href="sin_cos2.html#K4" target="_self">cosh</a>  <a href="hidden.html#R1">=</a>  <a href="numbers.html#K1">REAL</a> 
 
<b>by </b><i><a class="ref" href="sin_cos2.html#D3" target="_self">Def3</a></i>;<br/>
<b>hence </b><a NAME="E2:48_2_1"/>
 <a href="sin_cos2.html#K4" target="_self">cosh</a>  is <a href="partfun1.html#V1">total</a>
 <b>by </b><i><a class="ref" href="partfun1.html#D4">PARTFUN1:def 4</a></i>;<br/>


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