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<b>let </b><font color="Maroon" title="c1">A</font> be    <a href="orders_4.html#M1" title="ORDERS_4:mode.1">Chain</a> ;<br/>

<a NAME="E1:3_1_1"/>
( <font color="Maroon" title="c1">A</font> is  non <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> <a href="waybel_0.html#V16" title="WAYBEL_0:attr.16">connected</a> <a href="orders_2.html#NM1" title="ORDERS_2:NM.1">Poset</a> or <font color="Maroon" title="c1">A</font> is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  <a href="orders_2.html#L1" title="ORDERS_2:struct.1">RelStr</a>  )
 
<b>by </b><i><a class="ref" href="orders_4.html#D1" target="_self" title="ORDERS_4:def.1">Def1</a></i>;<br/>
<b>hence </b><a NAME="E2:3_1_1"/>
( <font color="Maroon" title="c1">A</font> is <a href="orders_2.html#V3" title="ORDERS_2:attr.3">reflexive</a> &amp; <font color="Maroon" title="c1">A</font> is <a href="orders_2.html#V4" title="ORDERS_2:attr.4">transitive</a> &amp; <font color="Maroon" title="c1">A</font> is <a href="orders_2.html#V5" title="ORDERS_2:attr.5">antisymmetric</a> )
 ;<br/>


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