On the Island of Knights and Knaves we have two people A and B. A says: Exactly one of us is a knight if and only if B is a knight. B says: A is a knight if I’m a knight.  determine if A and B are each a knight or a knave. (The problem might have no solutions, one solution, or many solutions.)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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On the Island of Knights and Knaves we have two people A and B.

A says: Exactly one of us is a knight if and only if B is a knight.

B says: A is a knight if I’m a knight.
 determine if A and B are each a knight or a knave. (The problem might have no solutions, one solution, or many solutions.)

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