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<a NAME="E1:134_1_1"/>
 <a href="polnot_1.html#K21" title="POLNOT_1:func.21">Polish-WFF-set</a> (<font color="Maroon" title="c1">T</font>,<font color="Maroon" title="c2">A</font>) is <font color="Maroon" title="c1">T</font> <a href="polnot_1.html#V6" title="POLNOT_1:attr.6">-headed</a> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="polnot_1.html#T65" target="_self" onmouseover="rs('polnot_1/T65')" onmouseout="rh()">Th65</a></span>;<br/>
<a NAME="E2:134_1_1"/><span class="kw">then </span>
<font color="Maroon" title="c3">F</font> is <font color="Maroon" title="c1">T</font> <a href="polnot_1.html#V5" title="POLNOT_1:attr.5">-headed</a> 
 
;<br/>
<span class="kw">hence </span><a NAME="E3:134_1_1"/>
<font color="Maroon" title="c1">T</font> <a href="polnot_1.html#K15" title="POLNOT_1:func.15">-head</a> <font color="Maroon" title="c3">F</font> is    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">T</font>
 <span class="kw">by</span> <span class="lab"><a class="ref" href="polnot_1.html#D22" target="_self" onmouseover="rs('polnot_1/D22')" onmouseout="rh()">Def22</a></span>; <a class="txt" onmouseover="tooltip.show('hs',this)" onmouseout="tooltip.hide()" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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