Kids' Cryptography with a Key from a Propositional Puzzle

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Solve a propositional puzzle (with four knights and knaves) to find a key to a cryptogram. Plain text is reconstructed using a symbolic language based on the Boolean ring.

Contributed by: Izidor Hafner (August 25)
Open content licensed under CC BY-NC-SA



[1] Strømmen. "1000 Most Common Spanish Words-Frequency Vocabulary." (Jul 27, 2023)

[2] 1000 Most Common Words. "1000 Most Common Esperanto Words." (Jul 27, 2023)

[3] Wiktionary. "Frequency Lists." (Jul 27, 2023)


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