How do you solve a liar and truth-teller?

How do you solve a liar and truth-teller?

The solution to the original problem is: “If I were to ask the other guard which door leads to freedom, what would s/he say?” If you ask the liar, s/he will lie about what the truth-teller would say, and will point you to the door that leads to death.

How do you solve a lying problem?

12 Tips to Break a Lying Habit

  1. Find triggers.
  2. Know your lie type.
  3. Set boundaries.
  4. Consider the worst.
  5. Start small.
  6. Maintain privacy.
  7. Evaluate the goal.
  8. Learn acceptance.

What is a pathological truth-teller?

On the opposite end of the spectrum are those rare individuals who might be described as “pathological truth-tellers.” These people forego socially convenient and appropriate fibs to speak the unvarnished, upsetting truth.

Which guard is telling the truth?

Scenario two: The guard you asked is the one who tells the truth. – If the guard you ask is the one who tells the truth, he will tell you (honestly) that the other guard – the lying guard – will point you towards door B. This makes door A the safe bet. In both cases, the outcome is the same.

Is the left path the way home if and only if you are a truth-teller?

Are you the truth-teller and do you think the path to my left is the safe path? Possible situations are, Situation 1: The helper asked is the truth-teller and the left path is the safe path: Final answer: YES.

How do you solve only one telling the truth?

– If the guard you ask is the one who tells the truth, he will tell you (honestly) that the other guard – the lying guard – will point you towards door B. This makes door A the safe bet. In both cases, the outcome is the same. To stay alive, you must walk through the opposite door you’ve been told.

What is a truth tellers and Liars puzzle?

Truth-Tellers and Liars Truth-tellers and liars problems (also called Knights and Knaves problems) are logic puzzles in which a set of statements is provided, but some of the statements are true and some of the statements are false. The goal of the puzzle is to determine which statements are true based on the information given.

Why can’t a Truth-Teller ever make this statement?

Similar to the explanation above, a truth-teller can never make this statement because if he/she makes this statement then it will be a lie which contradicts the fact that a truth-teller always speaks the truth. If the liar makes the above statement, then it will be the truth for him which again contradicts the fact that a liar will always lie.

Is it true that the person who says “I am a liar”?

Hence, we can conclude that the person who said “I am a liar” is not the truth-teller. Similarly, if a liar says that he/she is a liar then that statement will be true but the liar will always speak the lie. None of the statements made by him/her can be true. We can conclude this statement cannot be made by a liar.

Is Molly a truth-teller or a liar?

Let’s say Molly is another character. Then we have the cases “Molly is a truth-teller” and “Molly is a liar”, and they are sub-cases of “Leopold is a liar” . Now you have to continue reasoning with the two branches “Molly is a truth-teller” and “Molly is a liar”.

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