ary
&gt; &gt; relations.
&gt;
&gt; MW: I do not set it as a restriction, it is onloy an observation.

Of what?

&gt; &gt; Giving, for example, is a very natural 3-place relation.
&gt;
&gt; MW: Giving is an activity, an activity is a spatio-temporal extent, so
&gt; an individual, so represented by a constant, not a relation. This is
&gt; part of the consisttency I was talking about.

No, I think you are confusing giving with an instance of giving.
Granted, an instance of giving is an activity.  But giving is