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<b>let </b><font color="Maroon" title="c1">T</font> be    <a href="pre_topc.html#L1" title="PRE_TOPC:struct.1">TopStruct</a> ;<br/>

<b>reconsider </b><font color="Maroon" title="c2">P</font> =  <a href="zfmisc_1.html#K1" title="ZFMISC_1:func.1">bool</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">T</font> as   <a href="struct_0.html#NM3" title="STRUCT_0:NM.3">Subset-Family</a> of <font color="Maroon" title="c1">T</font> <b>by </b><i><a class="ref" href="zfmisc_1.html#D1" title="ZFMISC_1:def.1">ZFMISC_1:def 1</a></i>;<br/>
<b>reconsider </b><font color="Maroon" title="c3">P</font> = <font color="Maroon" title="c2">P</font> as   <a href="struct_0.html#NM3" title="STRUCT_0:NM.3">Subset-Family</a> of <font color="Maroon" title="c1">T</font> ;<br/>
<a NAME="E3:50"/>
<font color="Maroon" title="c3">P</font> is    <a href="yellow13.html#M2" title="YELLOW13:mode.2">basis</a> of <font color="Maroon" title="c1">T</font>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="50_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon" title="c4">p</font> be   <a href="pre_topc.html#NM2" title="PRE_TOPC:NM.2">Point</a> of <font color="Maroon" title="c1">T</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="yellow13.html#D4" target="_self" title="YELLOW13:def.4">YELLOW13:def 4</a><br/>

<b>thus </b><a NAME="E1:50_1"/>
<font color="Maroon" title="c3">P</font> is    <a href="yellow13.html#M1" title="YELLOW13:mode.1">basis</a> of <font color="Maroon" title="c4">p</font>
 <b>by </b><i><a class="ref" href="yellow13.html#T18" target="_self" title="YELLOW13:th.18">Th18</a></i>;<br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E4:50"/>
 <a href="zfmisc_1.html#K1" title="ZFMISC_1:func.1">bool</a> the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">T</font> is    <a href="yellow13.html#M2" title="YELLOW13:mode.2">basis</a> of <font color="Maroon" title="c1">T</font>
 ;<br/>


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