cross operator and empty list

HaloO,

why is (1,2,3) X () defined to be the empty list
and not (1,2,3) as is the case with the cartesian
product of sets which X basically is with preserved
order.

Regards, TSa.
-- 

The Angel of Geometry and the Devil of Algebra fight for the soul
of any mathematical being.   -- Attributed to Hermann Weyl

• cross operator and empty list by TSa
• Re: cross operator and empty list by mark.a.biggar
• Re: cross operator and empty list by mark.a.biggar
• Re: cross operator and empty list by Moritz Lenz
• Re: cross operator and empty list by Xavier Noria
• Re: cross operator and empty list by TSa
• Re: cross operator and empty list by Larry Wall
• Re: cross operator and empty list by TSa
• Re: cross operator and empty list by Larry Wall
• Re: cross operator and empty list by TSa
• Re: cross operator and empty list by Doug McNutt
• Re: cross operator and empty list by John M. Dlugosz
• Re: cross operator and empty list by Larry Wall
• Re: cross operator and empty list by Mark J. Reed
• Re: cross operator and empty list by TSa
• Re: cross operator and empty list by Xavier Noria
• RE: cross operator and empty list by Miller, Hugh
• Re: cross operator and empty list by Mark A. Biggar
• RE: cross operator and empty list by Miller, Hugh
• Re: cross operator and empty list by Darren Duncan
• Re: cross operator and empty list by Mark J. Reed
• Re: cross operator and empty list by Larry Wall
• Re: cross operator and empty list by TSa
• Re: cross operator and empty list by Adriano Ferreira
• Re: cross operator and empty list by Darren Duncan