different set of players. The
&gt;situation bets more complex when the team's configuration changes over
&gt;time - e.g. you go from a 3-4-3 structure to a 4-4-2 structure say (I am
&gt;not
&gt;a fan of football so these may not be common structures).
&gt;
&gt; &gt;You also wrote:
&gt; &gt;Notice it only arises for entities that are located in space
&gt; &gt;and time: abstract things like sets and numbers are not classified in
&gt; &gt;either of these ways. (Note in particular that a set of physical
&gt; &g