![]() ![]() Again, both guards will indicate the same door, which is indeed the door to freedom: the truth guard would, straightforwardly, tell you the truth, while the liar, if asked what door leads to freedom, would point to the opposite, and, if asked his answer, must give the opposite of that - the true door. ![]() Solution 2: Ask one guard (it doesn't matter which one) what his answer would be if asked what door leads to freedom.Both guards will indicate the same door, which will be the door that doesn't lead out: the truthful guard knows the lying guard would point to the door that leads to certain death, and says so, while the lying guard, knowing the truthful guard would point to the right door, says the opposite, indicating the door to certain death. Solution 1: Ask one guard (it doesn't matter which one) which door the other guard would say leads out.If you want to give the original puzzle a try for yourself, don't read the spoilers below. The solutions to this riddle (and there are several, though all are somewhat similar) involve a tricky question indeed. One of the doors leads to freedom, and you can only ask one guard one question. One guard always lies, and the other always tells the truth. This comic alludes to a famous Knights and Knaves logic puzzle, and specifically to the version featured in the Jim Henson movie Labyrinth, with two doors and two guards. Title text: And the whole setup is just a trap to capture escaping logicians. ![]()
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