Has anybody encountered anything good like this - a general theory of puzzles and puzzle-solving? https://www.mit.edu/~puzzle/resources/thinkingaboutpuzzles.html …
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I have a really old, good book about it, but nothing this concise and meta.
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I wanted to say but I forget...not gonna be there til tomorrow. It's blue with gold lettering I think, and maybe from the 70s or 80s. Seems like a university may have put it out, or some cool sounding group. A quick search was futile...phones are bad for that.
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if you figure it out I’d love to know!
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