
So this conception of cartesian product space, which
was not discovered by Quine fifty years ago, but has
made up a staple article of furniture in mathematics,
since, here's a hint, Descartes, has been an utterly
irrelevant red herring since the initial moment that
it first got foisted on the scene.

&gt; That was not the issue.  Indeed, the axiom that Chris M
&gt; has put together on my behalf specifically states this.
&gt; The issue was whether the higher arity relation could be
&gt; represented by some 