Re: [math-fun] Passing thought for a textbook

Did you have any particularly (counter-) instructive instances in mind? [Present company excepted, naturally!] WFL On 1/10/09, David Wolfe <davidgameswolfe@gmail.com> wrote:

Just a passing thought: A mathematics textbook with a single exercise at the front of the book which reads,

Every proof in this book has one (deliberately introduced) technical error, and may also have inadvertent errors. Correct all proofs.

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