References
- Aristotle, Prior Analytics. http://classics.mit.edu/Aristotle/prior.html.
- E. Borg, E. Lepore, Symbolic language and natural language, in A Companion to Philosophical Logic. Ed. D. Jacquette. Blackwell, Oxford, 2002.
- J. Milton, Of Education. London, 1644, https://www.dartmouth.edu/~milton/reading_room/of_education/text.shtml.
- J. Rosenhouse, Four Lives: A Celebration of Raymond Smullyan. Dover, Mineola, NY, 2014.
- R. Smullyan, The Tao is Silent. Harper Collins, New York, 1977.
- R. Smullyan, What is the Name of This Book?: The Riddle of Dracula and Other Logical Puzzles. Prentice-Hall, Englewood Cliffs, NJ, 1978.
- R. Smullyan, The Chess Mysteries of Sherlock Holmes: Fifty Tantalizing Problems of Chess Detection. Knopf, New York, 1979.
- R. Smullyan, This Book Needs No Title: A Budget of Living Paradoxes. Simon and Schuster, New York, 1980.
- R. Smullyan, The Chess Mysteries of the Arabian Knights. Knopf, New York, 1981.
- R. Smullyan, The Lady or the Tiger?: And Other Logic Puzzles. Knopf, New York, 1982.
- R. Smullyan, 5000 B.C. and Other Philosophical Fantasies. St. Martin's, New York, 1984.
- R. Smullyan, To Mock a Mockingbird and Other Logic Puzzles: Including an Amazing Adventure in Combinatory Logic. Knopf, New York, 1985.
- R. Smullyan Alice in Puzzle-Land: A Carrollian Tale for Children Under Eighty. Penguin, New York, 1987.
- R. Smullyan, Forever Undecided: A Puzzle Guide to Godel. Knopf, New York, 1987.
- R. Smullyan, Satan, Cantor, and Infinity and Other Mind-Boggling Puzzles. Knopf, New York, 1992.
- R. Smullyan, Recursion Theory for Metamathematics. Oxford Univ. Press, Oxford, 1993.
- R. Smullyan, Diagonalization and Self-Reference. Oxford Univ. Press, Oxford, 1994.
- R. Smullyan, The Riddle of Scheherazade: And Other Amazing Puzzles. Harcourt, San Diego, 1997.
- R. Smullyan, Who Knows?: A Study of Religious Consciousness. Indiana Univ. Press, Bloomington, IN, 2003.
- R. Smullyan, The Magic Garden of George B. and Other Logic Puzzles. Polimetrica, Milan, 2007.
- R. Smullyan, A Spiritual Journey: Reflections on the Philosophy of Religion, A Transcendental Journey, and Cosmic Consciousness Redux. Praxis International, West Chester, NY, 2009.
- R. Smullyan, King Arthur in Search of His Dog and Other Curious Puzzles. Dover, Mineola, NY, 2010.
- R. Smullyan, The Godelian Puzzle Book: Puzzles, Paradoxes and Proofs. Dover, Mineola, NY, 2013.
- R. Smullyan, A Beginner's Guide to Mathematical Logic. Dover, Mineola, NY, 2014.
- R. Smullyan, A Mixed Bag: Jokes, Riddles, Puzzles and Memorabilia. Sagging Meniscus, Montclair, NJ, 2016.
- R. Smullyan, A Beginner's Further Guide to Mathematical Logic. World Scientific, Singapore, 2017.