Introduction to What to Do in the Forest of Werewolves
Suppose you are visiting a forest in which every inhabitant is either a
knight or a knave. (We recall that knights always tell the truth and
knaves always lie.) In addition, some of the inhabitants are werewolves
and have the annoying habit of sometimes turning into wolves at night
and devouring people. A werewolf can be either a knight or a knave.
(Source:
What Is the Name of This Book? The Riddle of Dracula and Other Logical Puzzles by Raymond Smullyan)
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