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<span class="kw">let </span><font color="Maroon" title="c1">F</font>, <font color="Maroon" title="c2">G</font>, <font color="Maroon" title="c3">H</font> be   <a href="membered.html#V2" title="MEMBERED:attr.2">ext-real-membered</a>   <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> <font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">G</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c3">H</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1">(<span class="default"><font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <font color="Maroon" title="c2">G</font></span>)</span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p1">(<span class="default"><font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <font color="Maroon" title="c3">H</font></span>)</span></span><br/>





<a NAME="E1:100"/>
<font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">G</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c3">H</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c1">F</font> <a href="member_1.html#K8" title="MEMBER_1:func.8">++</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="member_1.html#K4" title="MEMBER_1:func.4">--</a> <font color="Maroon" title="c2">G</font></span>)</span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p2">(<span class="default"><a href="member_1.html#K4" title="MEMBER_1:func.4">--</a> <font color="Maroon" title="c3">H</font></span>)</span></span>)</span>
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="member_1.html#T6" target="_self" title="MEMBER_1:th.6">Th6</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:100"/>
<font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <span class="p1">(<span class="default"><font color="Maroon" title="c2">G</font> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <font color="Maroon" title="c3">H</font></span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1">(<span class="default"><font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <font color="Maroon" title="c2">G</font></span>)</span> <a href="xboole_0.html#K3" title="XBOOLE_0:func.3">/\</a> <span class="p1">(<span class="default"><font color="Maroon" title="c1">F</font> <a href="member_1.html#K10" title="MEMBER_1:func.10">--</a> <font color="Maroon" title="c3">H</font></span>)</span>
 <span class="kw">by</span> <span class="lab"><a class="ref" href="member_1.html#T42" target="_self" title="MEMBER_1:th.42">Th42</a></span>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="Red">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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