## Riya Agarwal is teaching live on Unacademy Plus

BINARY LOGICE TRUTH-TELLER, LIAR & ALTERNATOR INTRODUCTION (SENERIo I)

About Me I hold a B.E degree in Electronics and Communication Engineering. . CAT, 17: DI & LR-98.29 %ile. I would take you through the DI & LR lessons for CAT. Not all are born Einstein's but trust me with hard work and dedication we can together make it possible.

BINARY LOGICE TRUTH-TELLER, LIAR & ALTERNATOR INTRODUCTION (SENERIo I)

Truth-Teller, Liar and Alternator

Truth-Teller, Liar and Alternator Truth-teller: Always speaks the truth. '

Truth-Teller, Liar and Alternator Truth-teller: Always speaks the truth. ' Liar: Always tells lies.

Truth-Teller, Liar and Alternator Truth-teller: Always speaks the truth. Liar: Always tells lies. Alternator: Alternatively, tells truth and lies. '

Truth-Teller, Liar and Alternator Truth-teller: Always speaks the truth. Liar: Always tells lies. Alternator: Alternatively, tells truth and lies. ' Note: If an Alternator gives multiple statements, then it can be in order- False, True, False, True, or True, False, True, False,...

Consider the followin g scenario: A person 'X' makes the following statements X:I am a liar. Y is brave.

Consider the followin g scenario: A person 'X' makes the following statements X:I am a liar. Y is brave. Considering X is a truth-teller

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. T Y is brave. T Considering X is a truth-teller

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. T Y is brave. T Considering X is a truth-teller Contradiction.

Consider the followin g scenario: A person 'X' makes the following statements X:I am a liar. Y is brave.

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. F Y is brave. F Considering X is a Liar. Contradiction.

Consider the followin g scenario: A person 'X' makes the following statements X:I am a liar. Y is brave. Considering X is an Alternator.

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. T Y is brave. F Considering X is an Alternator.

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. T Y is brave. F Considering X is an Alternator. Contradiction.

Consider the followin g scenario: A person 'X' makes the following statements X:l am a liar. F Y is brave. T Considering X is an Alternator.

Consider the followin g scenario: Conclusion: .A person who declares himself a liar, will always be an alternator.

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