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INDEX Abbott, Edwin A., 75 abductive reasoning, 28 Abu Kamil, 13 acrostic, 47, 48–49, 64 Aeschylus, 1 Aesop, 44, 105 aesthetic index, 227, 229 aesthetics of emotion, 227 aesthetics of mind, 133, 209, 227, 231 Agrippa, Cornelius, 148 Aha! effect, 30, 92, 95, 133, 215 Ahmes, 5–6, 7, 17, 18, 27, 35–36, 73, 152, 209–210, 211, 222, 231, 234 Ahmes Papyrus, 5 Al-Hariri, 41 Al-Khwarizmi, 12, 13, 95, 166 alchemy, 58 Alcuin, 12–13, 17, 40–41, 146, 153, 155, 184 Alcuin’s Grain Puzzle, 12–13, 166 Alexander the Great, 46–47 Alfonso X, King, 3 algebra, 11–12, 164, 166 algebraic puzzles, 164–167 algorithm, 12, 89 alphametic, 170, 174 ambiguous figures, 78–79 American Cryptogram Association, 26 anagram, 38, 46–53, 47, 48–49, 51 Anderson, Poul, 234 Appel, Kenneth, 91 Archimedes, 11, 30, 98–99, 140, 143–144, 166, 234 area of a circle, 140 Aristotle, 2, 113–114, 116 assembly games, 193–197 Association of Game and Puzzle Collectors, 26 atbash (cryptosystem), 56 atomic structure, 28–29 Bachet de Mézirac, Claude-Gaspar, 19, 146, 156, 220 Bacon, Roger, 53 Ball, W. W. Rouse, 26, 146 Barber Paradox, 137 Barwise, John, 138 Baudelaire, Charles, 53 Baum, L. Frank, 108 Beatle Maze, 105–106 Bergman, Ingmar, 203, 206 Berkeley, George, 141 Berrocal, Miguel, 193 Bhaskara, 84 bi-part soul, 214 Binet, Alfred, 32–33 binomial theorem, 224–225 board games, 179, 197–203 Bohr, Niels, 29 Bolzano, Bernhard, 228 Boole, George, 114, 123, 141 Botermans, Jack, 26 Bouton, Charles Leonard, 184 Bronowski, Jacob, 30 Brunelleschi, Filippo, 75 Butler, Samuel, 49 Caesar, Julius, 56 Caesar cipher, 56–57, 58 calculus, 140–141 Canning, George, 43 Cantor, Georg, 114–115, 122, 227–231 Cantor’s sieve, 230 card games, 203–205 Cardano, Girolamo, 18, 146, 190, 205, 233 Carlyle, Thomas, 60 Carroll, Lewis, ix, 2, 23–24, 49, 51, 64–65, 68, 90, 100, 122, 135, 136, 146, 158, 162–163, 233–234 catharsis, 2, 30 Cattle Problem, 143–145, 166 Caxton, William, 199 cell charts, 117–119 chaos, 109–110 chaos theory, 110 charade, 42–43 Charlemagne, 12, 40 Chartres maze, 105 Chase, Arnold Buffum, 6 chaturanga, 199 checkers, 201–203 chess, 198–201 Chesterton, G. K., 122, 234 Ch’i Ch’io (Chinese puzzle), 99 Chia Ch’ing, 99 Christie, Agatha, 122 Chuquet, Nicolas, 158 ciphertext, 54, 59 circularity, 137 Claret, 41, 45 Columbus, Christopher, 226 combinatorics, 19, 21, 146, 155 composite number, 214 consistency, 125 conundrum, 43 Conway, John, 206–207 Cortázar, Julio, 104 cosmos, 10 Costello, Matthew J., 24 Cretan labyrinth, 4–5, 104, 106–108 critical path analysis, 153, 155, 184, 219 crossword puzzle, 25, 62–67 Crowther, Willie, 26 cryptarithm, 167–175, 174 cryptogram, 54–59 cryptography, 53–54 cryptosystem, 54, 56, 59 culprit puzzle, 157 cycloid, 185–186 Dalí, Salvador, 78, 79, 103 Danforth, Samuel, 19 Dawkins, Richard, 231–232 De Morgan, Augustus, 23, 90, 114 deception puzzles, 133–136 decrypting, 54 Dedekind, J. W. R., 228 deduction, 98, 112, 116, 118, 122 deduction puzzle, 116–125 Deep Blue, 200 Descartes, René, 141 detective story, 59, 122, 227 Devlin, Keith, x, 35, 113 diagrams, 119, 123 dialectic reasoning, 1 dice games, 205–206 Diophantine puzzle, 11, 12, 166 Diophantus, 11, 12, 19, 95, 166, 220, 221 Dirichelt, A., 222 disappearance puzzle, 92 Disappearing Warrior Puzzle, 92–93 dissection and arrangement puzzles, 91–103 divine proportion, 101 double-crostic, 66–67 doublet puzzle, 64–65 Doxiadis, Apostolous, 217 Doyle, Sir Arthur Conan, 59, 122 Dudeney, Henry E., 24, 25, 26, 36, 100, 117, 118, 124, 138, 146, 170, 233 Dungeons & Dragons, 198 Dürer, Albrecht, 18, 75, 149, 203 Eco, Umberto, 109, 226 Edison, Thomas, 33 Einstein, Albert, 33 Eisenlohr, August, 6 Eliot, T. S., 233 Emerson, Ralph Waldo, 33 encrypting, 54 enigma, 43–44 enigmatology, ix Epimenides, 137, 138 Eratosthenes of Alexandria, 31, 143, 215 Escher, Maurits, 81, 103 Etchemendy, John, 138 Etten, Henry van, 19 Euclid, 71–72, 73, 91, 98, 101, 214–215 Euler, Leonhard, 18, 19–20, 22, 27, 146, 149, 190, 216, 233 Eureka! effect, 30 Euripides, 1 evolution, 35 Farrar, Margaret Petherbridge, 65–66 Fermat, Pierre de, 19, 205, 220 Fermat’s Last Theorem, 91, 220–223 Fibonacci, Leonardo, 8, 13–14, 27, 146, 156, 234 Fibonacci sequence, 16–17, 148, 177, 225–226 Fibonacci’s Rabbit Puzzle, 15–16, 146 Flatland, 75–76 Fortune, 226 Foucault, Michel, 232 Four-Color Problem, 89–90 Fourier, Jean-Baptiste, 18 Fourteen...

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