Here is another puzzle posted on Facebook by Konstantin Knop. Puzzle. One day, three inhabitants of the Island of Knights and Liars invited a foreign correspondent to visit so that they could tell him about their island. Knights always tell the truth, while liars always lie.
- The first inhabitant said, “The island has at most AT inhabitants. All the islanders are liars.”
- The second added, “The island has at most BAT inhabitants. Not all the islanders are liars.”
- The third disagreed, “The...