>> Here's another question... what about slicing? If I choose a particular
>> value for the 4th ordinate and fix that, can I *then* do the
>> intersection on 3D? (Taking a slice is after all a set intersection
>> operation - and I *believe* those things are associative...)
> 
> 
> Yes, that would work, but only if you post the images (Can't imagine what
> the slices would look like).

Interestingly, if you slice a normal cube in the right direction, you 
get a hexagon.

Not many people know that...

Presumably if I slice a hypercube right I'll get a pyramid of some 
kind... if I can rotate it right! :-S

Andrew @ home.

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