Bijan Parsia wrote:
> 
> At 1:45 PM -0500 2/2/98, Patrick Logan wrote:
> 
> [snip]
> 
> >
> >(3) Point is a two-dimensional value. It cannot be made linear.
> 
> (I'm assuming that by 'linear' one means 'having a one-to-one
> correspondence with the natural numbers'.)
> 
> (Smalltalk) points are ordered pairs of integers (not of reals), correct?

Nope. x and y can be arbitrary objects, although in practice mostly
numbers are used.
Not necessarily integer, though.

Hans-Martin