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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E78">Th80</font></span>: <a NAME="T80"><span class="comment"><font color="firebrick">:: COHSP_1:80</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x1</font>, <font color="Olive" title="b2">y1</font>, <font color="Olive" title="b3">x2</font>, <font color="Olive" title="b4">y2</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds <br/> ( <font color="Olive" title="b1">x1</font> <a href="cohsp_1.html#K14" title="COHSP_1:func.14">U+</a> <font color="Olive" title="b2">y1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b3">x2</font> <a href="cohsp_1.html#K14" title="COHSP_1:func.14">U+</a> <font color="Olive" title="b4">y2</font> iff ( <font color="Olive" title="b1">x1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b3">x2</font> &amp; <font color="Olive" title="b2">y1</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b4">y2</font> ) ) <span class="kw">by</span> <span class="lab"><a class="ref" href="cohsp_1.html#T78" target="_self" onmouseover="rs('cohsp_1/T78')" onmouseout="rh()">Th78</a></span>;<br/></div></div>
