time is in the 4-d ontology)  but 
&gt; they aren't thought of as continuants there.
&gt; 
&gt; &gt;Furthermore, a 4D ontology that could not formalize our talk 
&gt; about ordinary
&gt; &gt;physical objects would, it seems to me, be of very limited utility.
&gt; 
&gt; Of course; but it can. (Well, Im not sure what you mean by "talk". In 
&gt; one sense I don't think we should be trying to formalize talk.)
&gt; 
&gt; &gt;Most of
&gt; &gt;our daily interactions with the world and our speech about these
&gt; 