On Wed, 1 Sept 2021 at 21:16, Aaron Meurer <[email protected]> wrote:
> I think there's a few things that could be done here:
>
> - Make top-level intersection work by inverting the function in the
> image set. This needs to be done carefully, however.
> - Make the inner intersection resolve to {n*pi | n in Z+}
> - From there, make the image set of an image set resolve to a single
> imageset.
>
It would be good to have a proper way of representing integer intervals as
well:
https://github.com/sympy/sympy/issues/17856#issuecomment-552229762
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