Some thougts on cartesian products

Bryan Olson fakeaddress at
Mon Jan 23 13:17:08 EST 2006

Steven D'Aprano wrote:
> Bryan Olson wrote:
[Christoph Zwerschke had written:]
>>>What I expect as the result is the "cartesian product" of the strings.
>>There's no such thing; you'd have to define it first. Are duplicates
>>significant? Order?
> Google "cartesian product" and hit "I'm feeling lucky".
> Or go here:
> Still think there is no such thing?

Uh, yes.

    The Cartesian product of two sets A and B (also called the
    product set, set direct product, or cross product) is defined to
    be the set of [...]

All sets, no strings. What were you looking at?

(I'm also happy to see someone agrees with my capitalization of


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