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<span class="kw">consider </span><font color="Maroon" title="c2">N</font> being    <a href="supinf_2.html#M1" title="SUPINF_2:mode.1">Num</a> of <font color="Maroon" title="c1">D</font>;<br/>
<span class="kw">set </span><font color="Maroon" title="c3">S</font> =  <a href="supinf_2.html#K15" title="SUPINF_2:func.15">Ser</a> <font color="Maroon" title="c1">D</font>,<font color="Maroon" title="c2">N</font>;<br/>
<span class="kw">reconsider </span><font color="Maroon" title="c4">SER</font> =  <a href="relset_1.html#K2" title="RELSET_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="supinf_2.html#K15" title="SUPINF_2:func.15">Ser</a> <font color="Maroon" title="c1">D</font>,<font color="Maroon" title="c2">N</font></span>)</span> as  non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>  <a href="subset_1.html#NM2" title="SUBSET_1:NM.2">Subset</a> of <a href="numbers.html#K7" title="NUMBERS:func.7">ExtREAL</a>  ;<br/>
<span class="kw">take </span>
<font color="Maroon" title="c4">SER</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide">  ex <font color="Olive" title="b1">N</font> being   <a href="supinf_2.html#M1" title="SUPINF_2:mode.1">Num</a> of <font color="Maroon" title="c1">D</font> st <font color="Maroon" title="c4">SER</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="relset_1.html#K2" title="RELSET_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="supinf_2.html#K15" title="SUPINF_2:func.15">Ser</a> <font color="Maroon" title="c1">D</font>,<font color="Olive" title="b1">N</font></span>)</span></span><br/>

<span class="kw">thus </span><a NAME="E3:78_1_1"/>
 ex <font color="Olive" title="b1">N</font> being   <a href="supinf_2.html#M1" title="SUPINF_2:mode.1">Num</a> of <font color="Maroon" title="c1">D</font> st <font color="Maroon" title="c4">SER</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="relset_1.html#K2" title="RELSET_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="supinf_2.html#K15" title="SUPINF_2:func.15">Ser</a> <font color="Maroon" title="c1">D</font>,<font color="Olive" title="b1">N</font></span>)</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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