Hacker News new | past | comments | ask | show | jobs | submit login

I wonder what color is a hat that doesn’t exist.

If a person doesn’t have any hats, is the statement ”All my hats are hats” false?




That is a tautology. A tautology is always true.


I think the question is more about liars than it is about hats.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: