The only group of mail groups that you should use is the one that only has mail ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		leephillips on Dec 14, 2018 \| parent \| context \| favorite \| on: Mail Loop From Hell (2012) The only group of mail groups that you should use is the one that only has mail groups that do not have themselves as a member.

xpil on Dec 14, 2018 [–]

After reading this statement like 5 or 6 times I am still not sure whether I grok it or not. Would put it on a sticker though.

chopin on Dec 14, 2018 | [–]

I think it's akin to "the set of all sets which do not contain themselves".

EDIT: My favorite is more "the town barber who shaves all men in town who do not shave themselves".

Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact