The Gödelian puzzle book
by Raymond M. Smullyan · first published 2013
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These recreational logic puzzles provide entertaining variations on Godel's incompleteness theorems, offering ingenious challenges related to infinity, truth and provability, undecidability, and other concepts. Written by a distinguished mathematician and creator of numerous popular puzzle books, this volume requires no background in formal logic.
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I had a similar experience with Raymond Smullyan's books, particularly The Gödelian Puzzle Book: https://www.raymondsmullyan.com/books/the-godelian-puzzle-bo.... Recreational math is quite underrated.
on “Ask HN: Math books that made you significantly better at math?” ↗Fourthing. And also his Godelian Puzzle Book, much fun!
on “Combinators: A Centennial View” ↗Well never seems to dry up when topic(s) revolve around philosopher George Santayana's “Those who cannot remember the past are condemned to repeat it.” Dropping the "more impractical the topic" time frame dependency: Now that there's GPT3 with google glasses, "Conquer Logical Fallacies: 28 Nuggets Of Knowledge To Nurture Your Reasoning Skills (Critical Thinking & Logic Mastery)" might seem impra
on “Ask HN: Interesting courses/books to counter a looming burnout?” ↗