Yes, it is, and that is my question. What if instead of ordered pairs it is sets. Is this concept well defined? I mean no one can use cartesian product anymore to represent this staff. What is the operation for this.

On Feb 9, 2010, at 2:01 PM, saurabh gupta wrote:

http://en.wikipedia.org/wiki/Cartesian_product

it is defined as a set of ordered pairs.


On Tue, Feb 9, 2010 at 9:51 AM, vignesh radhakrishnan <rvignesh1...@gmail.com > wrote: The unordered pair will be a subset of cartesian product. What is the significance of it?


On 8 February 2010 21:18, pinco1984 <paris...@gmail.com> wrote:
Hi all,

I have came across a problem and I am not aware if there is such a
thing in set theory and if so what is it called.

Mainly I have several sets that I am interested in their cartesian
product. But this cartesian product should not be a set of ordered
pairs but a set of sets. Basically unordered pairs.

I wonder if this concept is well defined and what is it called.

Thanks.
P.

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