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<b>let </b><font color="Maroon" title="c1">Y</font>, <font color="Maroon" title="c2">X</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c3">f</font>, <font color="Maroon" title="c4">g</font> be   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>;<br/>







<b>assume </b><a NAME="E1:12"/>
<font color="Maroon" title="c3">f</font> <a href="funct_4.html#NR1" title="FUNCT_4:NR.1">&lt;=</a> <font color="Maroon" title="c4">g</font>
 ;<br/>

<a NAME="E2:12"/><b>then </b>
<font color="Maroon" title="c1">Y</font> <a href="relat_1.html#K8" title="RELAT_1:func.8">|</a> <font color="Maroon" title="c3">f</font> <a href="funct_4.html#NR1" title="FUNCT_4:NR.1">&lt;=</a> <font color="Maroon" title="c1">Y</font> <a href="relat_1.html#K8" title="RELAT_1:func.8">|</a> <font color="Maroon" title="c4">g</font>
 
<b>by </b><i><a class="ref" href="relat_1.html#T132" title="RELAT_1:th.132">RELAT_1:132</a></i>;<br/>
<b>hence </b><a NAME="E3:12"/>
<span class="p1">(<span class="default"><font color="Maroon" title="c1">Y</font> <a href="relat_1.html#K8" title="RELAT_1:func.8">|</a> <font color="Maroon" title="c3">f</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c2">X</font> <a href="funct_4.html#NR1" title="FUNCT_4:NR.1">&lt;=</a> <span class="p1">(<span class="default"><font color="Maroon" title="c1">Y</font> <a href="relat_1.html#K8" title="RELAT_1:func.8">|</a> <font color="Maroon" title="c4">g</font></span>)</span> <a href="relat_1.html#K7" title="RELAT_1:func.7">|</a> <font color="Maroon" title="c2">X</font>
 <b>by </b><i><a class="ref" href="relat_1.html#T105" title="RELAT_1:th.105">RELAT_1:105</a></i>;<br/>


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