d not exist
that was determined by the data of its projective parts, then it should
be necessary to invent one that was -- which is parably what this bible
of pan-categorics tells us about the genesis of every cartesian product:

| Many properties of mathematical constructions may
| be represented by universal properties of diagrams.
| Consider the cartesian product X x Y of two sets,
| consisting as usual of all ordered pairs &lt;x, y&gt;
| of elements x in X and y in Y.  The projections
| &lt;x, y&gt; ~&g