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Knights And KnavesKnights and knaves are a type of logic puzzle devised by Raymond Smullyan. On a fictional island, all inhabitants are either knights, who always tell the truth, or knaves, who always lie. So, for example, no inhabitant can say: - "I am a knave."
The puzzles involve a visitor to the island who meets small groups of inhabitants, and must determine their type from their statements.
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