On the island of knights and knaves you encounter two people, A and
B. Person A says "B is a knave."
Person B says "At least one of us is a knight." Determine whether each person is a knight or a knave.
Exercises 51-53 relate to inhabitants of an island on which there are three kinds of people: knights who always
tell the truth, knaves who always lie, and spies who can either tell the truth or lie. You encounter three people,
A, B, and
C. You know one of the three people is a knight, one is a knave, and one is a spy. Each of the three

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The Answer of On the island of knights and knaves you encounter two people, A and
B. Person A says "B is a knave."
Person B says "At least one of us is a knight." Determine whether each person is a knight or a knave.
Exercises 51-53 relate to inhabitants of an island on which there are three kinds of people: knights who always
tell the truth, knaves who always lie, and spies who can either tell the truth or lie. You encounter three people,
A, B, and
C. You know one of the three people is a knight, one is a knave, and one is a spy. Each of the three

On the Island of Knights and Knaves You Encounter Two