The bartender asks “Do all three of you want a beer?”
The first logician says “I don’t know”.
The second logician says “I don’t know.”
The third logician says “Yes.”
The bartender asks “Do all three of you want a beer?”
The first logician says “I don’t know”.
The second logician says “I don’t know.”
The third logician says “Yes.”
none of them would go to a bar if they didn’t mean to consume some drink – therefore we can assume all of them knew whether they wanted a beer or not.
No? Have you never been in a group of drinkers while staying sober yourself. Heck, have you never even met such a person?
There are non-alcoholic drinks in bars too.