<?xml version="1.0"?>
<div>:: <span class="kw">deftheorem </span>   defines <a href="topgen_5.html#K1" title="TOPGEN_5:func.1">y=0-line</a> <a onclick="hs(this)" href="javascript:()">TOPGEN_5:def 1 : <br/></a><span> <a href="topgen_5.html#K1" title="TOPGEN_5:func.1">y=0-line</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"> { <span class="default"> <span class="p2"><a href="euclid.html#K19" title="EUCLID:func.19">|[</a><span class="default"><font color="Olive" title="b1">x</font>,<a href="numbers.html#K5" title="NUMBERS:func.5">0</a></span><a href="euclid.html#K19" title="EUCLID:func.19">]|</a></span> where <font color="Olive" title="b1">x</font> is   <a href="xreal_0.html#NM1" title="XREAL_0:NM.1">Real</a> : verum </span> } </span> ;<br/></span></div>
