<?xml version="1.0"?>
<div class="add">

<b>take </b>
 <a href="waybel18.html#K9">Sierpinski_Space</a> 
;<br/>

<b>thus </b><a NAME="E1:5_1_1"/>
(  <a href="waybel18.html#K9">Sierpinski_Space</a>  is <a href="waybel18.html#V2">injective</a> &amp;  <a href="waybel18.html#K9">Sierpinski_Space</a>  is <a href="pre_topc.html#V1">strict</a> )
 ;<br/>


</div>
