ides one of the reasons I am unhappy with more
&gt; &gt;      than binary relations.
&gt; &gt; 
&gt; &gt; MW:  You are right that the ternary relation does not only say that
&gt; &gt;      a giving relation involves at least a giver a receiver 
&gt; and a gift,
&gt; &gt;      but that it involves exactly one giver, receiver, and 
&gt; gift.  I think
&gt; &gt;      others have pointed out that this is not necessarily 
&gt; the case for all
&gt; &gt;      givings.  There may be many givers, many receivers or 