name for a mutually inclusive relationship

[Chris Angelico]

On Fri, Feb 26, 2021 at 3:32 PM Ethan Furman <ethan at stoneleaf.us> wrote:
>
> On 2/25/21 7:06 PM, Joe Pfeiffer wrote:
> > Ethan Furman writes:
>
> >> Like I said, at this moment I don't have a good example, only an awareness that such a thing could exist and I don't know the name for it (if it has one).
> >>
> >> So far I have seen that there are even fewer good use-cases than I might have guessed, and that no one seems to have a name for the general idea.
> >
> > Do you have a specific problem you're trying to solve?
>
> No, I just came across the concept in my browsing and was wondering if there was a name for it.  I think the most accurate name at this point is probably "pain in the butt".  ;-)
>

"Design flaw" is a close second.

ChrisA