## Search found 5 matches

Sat Jul 17, 2010 1:48 pm UTC
Forum: Logic Puzzles
Topic: Angels and Demons
Replies: 55
Views: 14573

### Re: Angels and Demons

So you would need to find a simple question where -The honest demon and the lying demon answer the same AND -It must be the opposite answer the angel would say If the honest demon doesn't say the same thing than the honest angel, then the question must concern their identity ( are you a dem...
Fri Jul 16, 2010 8:21 pm UTC
Forum: Logic Puzzles
Topic: Angels and Demons
Replies: 55
Views: 14573

### Re: Angels and Demons

I understand your point ( this kind of metaquestion gets tricky sometime ) but the point where we differs in our argumentation, is that you suppose the demon is allowed to "speak gibberish" or "remain silent" when asked a question. From the original poster, tho, we can f...
Fri Jul 16, 2010 12:20 pm UTC
Forum: Logic Puzzles
Topic: Angels and Demons
Replies: 55
Views: 14573

### Re: Angels and Demons

You can find out if he's a demon easily with a simple question (2 part question) : Are you an angel or are you lying to this question? If he's an angel, he tells the truth, and the first part is "yes", second part is "no". Yes or no = yes. An angel would anwser &...
Thu Jul 01, 2010 3:23 pm UTC
Forum: Logic Puzzles
Topic: Angels and Demons
Replies: 55
Views: 14573

### Re: Angels and Demons

If we add the assumption that the two will answer any yes/no with either a yes or no (if they can), then you could ask the following single question to either character: "If I asked your friend there whether he was an angel, would he answer yes?" If you addressed the demon, he would either...
Mon May 24, 2010 3:39 pm UTC
Forum: Logic Puzzles
Topic: Not as easy as 1 2 3
Replies: 56
Views: 14234

### Re: Not as easy as 1 2 3

First ask: Assuming that I am thinking of either 3 or 6, is your number greater than mine? If 'yes' - they are thinking of 7, 8, or 9. If 'no' - then they are thinking of 1, 2, or 3. If 'I don't know' - they are thinking of 4, 5, or 6. Then ask: Assuming that I am thinki...