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Laury and Landy are identical twins. There only difference is that Landy always tells the truth while Laury will always lie. In order to find out who is Landy, you are allowed to ask any questions to them. How are you going to go about doing it?​

Sagot :

Step-by-step explanation:

Suppose there are two identical twin brothers, one who always lies and the other who always tells the truth. Now, the truth teller is also totally accurate in all his beliefs; all true propositions he believes to be true and all false propositions he believes to be false. The lying brother is totally inaccurate in his beliefs; all true propositions he believes to be false, and all false propositions he believes to be true. The interesting thing is that each brother will give the same answer to the same question. For example, suppose you ask whether two plus two equals four. The accurate truth teller knows that it is and will truthfully answer yes. The inaccurate liar will believe that two plus two does not equal four (since he is inaccurate) and will then lie and say that it does; he will also answer yes.

Note:

Hope this helps

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