Puzzle

  Boolean Enlightenment   The raceway to enlightenment lies behind single of two doors. In front of each door stands a follow who knows which door leads to enlightenment, but one of the follows always lies and the diametrical one always tells the rectitude. In your search for enlightenment, you are allowed to title one book only one question that dirty dog be answered yes or no, but unfortunately, you do non know which watch over is the liar. You will be banished to the dungeon of uninflected illiteracy if you fail in your quest. What question should you charter to substantiation the raceway to enlightenment? Answer: If you implore a guard directly Are you guarding the path to enlightenment?, and the answer is no, he could be guarding the path to enlightenment and be bring about about it, or he could be telling the law and the path to enlightenment is behind the early(a) door. The question that you deal has to read both guards at the same time: W ould the some anformer(a)(prenominal) guard pronounce that you are guarding the path to enlightenment? When we ask a guard this question, there are 4 cases: 1. The liar is guarding the path to enlightenment. He answers no because the unbiased guard would regularise yes. 2. The liar is not guarding the path to enlightenment: He answers yes because the candid guard would say no. 3.

The truth teller is guarding the path to enlightenment. He answers no because the other guard (liar) would say no. 4. The truth teller is not guarding the path to enlightenment. He answers yes because the other gu ard (liar) would say yes. So, if a guard an! swers no, he is guarding the path to enlightenment. If he answers yes, the path to enlightenment is the other door. odor that even though we flip learned which is the path to enlightenment, we excuse dont know which guard is the liar. To find out who is the liar we would squander to ask a question like: Would the other guard say that you always tell the truth? A result of no means you are talking to the truth teller, a reply of yes...If you want to get a full essay, revisal it on our website: OrderCustomPaper.com

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