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Exercises 23-27 relate to inhabitants of the island of knights and knaves created by Smullyan, where knights always tell the truth and knaves always lie. You encounter two people,AandB. Determine, if possible, whatAandBare if they address you in the ways described. If you cannot determine what these two people are, can you draw any conclusions?
24.Asays 'The two of us are both knights" andBsays "Ais a knave."
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