Jon Heggland wrote:
> dcressey says...
>
>>>Join is crucial, and depends on equality between "cells". But with
>>>multiple values, how do you define equality?
>>>
>>>Is (apples, pears) equal to (pears, apples)?
>>
>>An alternative example would be:
>>Is (onions, mushrooms) equal to (mushrooms, onions)?
>>I bleieve I've aske this question several times.
>
> I think the answer is obvious: It is whatever we define it to be. We
> just have to make the decision at some point.
This is like choosing the right or the left side of the road.
You don't. You may choose the country where you are going to
drive, but that's it.
Received on Mon Mar 06 2006 - 16:30:06 CST
