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Dec 31, 2022 at 16:57 history edited ACB CC BY-SA 4.0
Removing non-existent tag
Dec 30, 2022 at 20:19 comment added Oliphaunt @MarkGreen wouldn't your setup with the tank work if it slowly drains anyway, so it's guaranteed to be empty again in 10 minutes; yet it doesn't drain quickly enough to avoid an overflow in case of a unanimous vote?
Dec 30, 2022 at 18:48 history closed fljx
Florian F
Jaap Scherphuis
Beastly Gerbil
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Dec 29, 2022 at 23:57 comment added hedgedandlevered otherwise you can pick any solution that's like "pass this thing around that you can't see what its state is, change it without looking if you don't want dessert, check the state at the end" the difficulty comes from you being able to observe whats happened so far, right?
Dec 29, 2022 at 23:56 comment added hedgedandlevered There are so many easy solutions if you let people do things without looking. Is that your intent? Thought that was kind of the point of the puzzle, at least the person taking an action is looking at what they're doing
Dec 29, 2022 at 23:47 answer added hedgedandlevered timeline score: 1
Dec 29, 2022 at 9:32 comment added BlueRaja - Danny Pflughoeft This is a famous (and solved) problem in computer cryptography. See homomorphic secret sharing. You wouldn't be able to reasonably implement this without a computer, though.
Dec 29, 2022 at 8:37 comment added Ivo I fail to see how the question solves the situation described in the story. The story seems to be only about not wanting dessert when they are the only one. The question doesn't answer whether there are 2 or more, only whether all of them want it
Dec 29, 2022 at 8:34 answer added Rick timeline score: 7
Dec 29, 2022 at 5:01 answer added DMan timeline score: 0
Dec 29, 2022 at 1:04 answer added Abigail timeline score: 3
Dec 28, 2022 at 21:18 answer added Brandon timeline score: 4
Dec 28, 2022 at 15:10 review Close votes
Dec 30, 2022 at 18:48
Dec 28, 2022 at 11:16 answer added RedBaron timeline score: 0
Dec 28, 2022 at 6:35 answer added SajanGohil timeline score: 4
Dec 28, 2022 at 0:31 answer added user9194 timeline score: 2
Dec 28, 2022 at 0:13 answer added Florian F timeline score: 8
Dec 27, 2022 at 23:51 answer added Revolver_Ocelot timeline score: 1
Dec 27, 2022 at 23:45 answer added user3067860 timeline score: -1
Dec 27, 2022 at 18:28 answer added hedgedandlevered timeline score: -1
Dec 27, 2022 at 17:48 answer added quarague timeline score: 2
Dec 27, 2022 at 16:14 answer added 2012rcampion timeline score: 3
Dec 27, 2022 at 14:11 comment added Wastrel Three logicians walk into a bar. The bartender asks, "Do all of you want a drink?" The first logician says, "I don't know." The second logician says, "I don't know." The third logician says, "Yes!"
Dec 27, 2022 at 10:06 answer added isaacg timeline score: 7
Dec 27, 2022 at 10:04 answer added Diamond Dust timeline score: 5
Dec 27, 2022 at 6:08 history became hot network question
Dec 27, 2022 at 3:17 answer added Amorydai timeline score: 12
Dec 26, 2022 at 23:27 comment added xnor It it ok if some subset of participants could later get together and combine information they received during the protocol to determine others' votes, as long as each one couldn't learn anything on their own?
Dec 26, 2022 at 22:56 comment added Mark Green Perhaps so? The difficulty is the set-up. For example, I did get the idea that you could have a system where each person was given a jar of liquid, and independently either poured their jar into a common tank which is out of sight or did not do so. If the vote is not unanimous nothing happens and no-one can see the tank level, but if the vote is unanimous the tank overflows out of the pouring hole. But then afterwards someone would have to drain the tank for the next vote, and if that person's not external, now they know if there was any water in it..
Dec 26, 2022 at 22:49 comment added bobble Are scales or elaborate non-programed devices allowed?
Dec 26, 2022 at 22:46 history edited bobble
edited tags
Dec 26, 2022 at 22:08 history asked Mark Green CC BY-SA 4.0