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<b>consider </b><font color="Maroon" title="c2">D</font> being  non <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> <a href="armstrng.html#NV4" title="ARMSTRNG:NV.4">(F2)</a> <a href="armstrng.html#V3" title="ARMSTRNG:attr.3">(F1)</a> <a href="armstrng.html#V4" title="ARMSTRNG:attr.4">(F3)</a> <a href="armstrng.html#V5" title="ARMSTRNG:attr.5">(F4)</a> <a href="armstrng.html#NM2" title="ARMSTRNG:NM.2">Dependency-set</a> of <font color="Maroon" title="c1">X</font>;<br/>
<b>take </b>
<font color="Maroon" title="c2">D</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c2">D</font> is <a href="armstrng.html#V7" title="ARMSTRNG:attr.7">(DC3)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="relat_2.html#V8" title="RELAT_2:attr.8">(F2)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="armstrng.html#V5" title="ARMSTRNG:attr.5">(F4)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">(C1)</a> )</span><br/>

<b>thus </b><a NAME="E2:60_1_1"/>
( <font color="Maroon" title="c2">D</font> is <a href="armstrng.html#V7" title="ARMSTRNG:attr.7">(DC3)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="relat_2.html#V8" title="RELAT_2:attr.8">(F2)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="armstrng.html#V5" title="ARMSTRNG:attr.5">(F4)</a> &amp; <font color="Maroon" title="c2">D</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">(C1)</a> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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