What Is The Name Of This Book? by Raymond M. Smullyan

The Riddle of Dracula and Other Logical Puzzles

A playful collection of logical puzzles that lead readers through paradox, self-reference, and deductive reasoning, often set on an island where inhabitants always tell the truth or always lie. Through progressively intricate riddles and dialogues, it teaches principles of logic, recursion, and provability while encouraging the reader to participate in the reasoning process. Lighthearted in tone yet intellectually rigorous, it culminates in deeper reflections on self-referential statements and the limits of formal systems.

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