On Thu, Jan 19, 2017 at 9:08 AM, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote:
> On 2017-01-19 07:47, Frédéric Chapoton wrote:
>>
>> For 1C), the cmp problem has not been considered yet, but it is *huge*.
>
>
> An important part of the cmp() problem is that we need to decide *how*
> comparison of Sage objects should work.

... and presumably what we already decided is now completely
impossible to implement and banned from Python3?

>
> For example, it seems that we cannot really agree on what should happen with
> "x != y" when x and y cannot be coerced to a common parent.
>
> The same with things like "ZZ < QQ".
>
>
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-- 
William (http://wstein.org)

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