What are the elements of a good puzzle or riddle? Do they need to employ logic, numbers or words? Should the answer be obtained only after taking multiple steps or should it be built upon the most basic of foundations? Is it best to be structurally complex or simply elegant? I think it was the artist Samuel F.B. Morse who first said “A puzzle should excite the brain and enliven the spirit” Later Pingala would take his remarks a step further and claim that “brain and spirit are the binary elements of a good riddle.
With the right ingredients an enticing riddle can always be formed, but is there one element that is a requirement? I think the clues to that may remain hidden.
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Prof. T