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If 1 says nothing, 2 deduces 1 can see headphones of both colours. 2 sees 3 has red headphones, so concludes his is the opposite colour, and correctly shouts 'blue'.
I think you need to tell us more about what the four people know about the set-up. For instance that 2 out of 4 of them have red phones on and that two have blue? I know you have told us that, but I'm not clear how much of what you have told us has also been told to the 4 people.
If 1 says nothing, 2 deduces 1 can see headphones of both colours. 2 sees 3 has red headphones, so concludes his is the opposite colour, and correctly shouts 'blue'.
If 1 says nothing, 2 deduces 1 can see headphones of both colours. 2 sees 3 has red headphones, so concludes his is the opposite colour, and correctly shouts 'blue'.
Where does it say that 3 is wearing red other than in your diagram?
Sorry, I'm in a bad mood today and I am normally useless that these. Looks like I'm not improving with age. Anyway, I will leave you alone since I'm now off down the river.
Doesn't matter, does it? The point is that 1 says nothing, so 2 and 3 aren't the same colour. Thus 2 knows he is different to 3.
Where does it say that 3 is wearing red other than in your diagram?
Sorry, I'm in a bad mood today and I am normally useless that these. Looks like I'm not improving with age. Anyway, I will leave you alone since I'm now off down the river.
theres this guy right, and he has to cross the river. he has a dog, a chicken and a bag of corn
he gets his bum wet
Where does it say that 3 is wearing red other than in your diagram?
Sorry, I'm in a bad mood today and I am normally useless that these. Looks like I'm not improving with age. Anyway, I will leave you alone since I'm now off down the river.
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