On Thu, Aug 7, 2008 at 3:19 PM, John M. Dlugosz
[EMAIL PROTECTED] wrote:
I'm not sure. A quick reading indicates that ⋆ℝ contains infinitely large
numbers that maintain the properties of addition, but that is not the same
as infinity.
Well *R is a field that has infinitely large and small
On Apr 12, 2008, at 17:37 , Moritz Lenz wrote:
[EMAIL PROTECTED] wrote:
Technically the Cartesian cross operator doesn't have an identity
value.
It has.
The set which contains only the emty set, or in perl terms ([]);
If (a, b) denotes an ordered pair you get
{0, 1} X {{}} = {(0, {}),
On Apr 14, 2008, at 12:05 , TSa wrote:
HaloO,
Xavier Noria wrote:
{0, 1} X {{}} = {(0, {}), (1, {})}
which, you see, is different from {0, 1}. They have different
elements. The fact that there's a clear mapping that sort of
identifies them has nothing to do with set equality.
But X
On Dec 15, 2005, at 2:19, Darren Duncan wrote:
* a Tuple is an associative array having one or more Attributes,
and each Attribute has a name or ordinal position and it is typed
according to a Domain;
this is like a restricted Hash in a way, where each key has a
specific type
* a
