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I accidentally hit on this wordgame while I was reading Ian Stewart's book Letters to a young mathematician. (Which I believe is considered as the Modern version of G. H. Hardy's book A mathematician's apology). Stewart beautifully explains how when one reads a long mathematical proof, one loses the big picture but is convinced that the proof is right. It happens more often that you start with a premise $A$ and deduce a conclusion $Z$ by establishing:
I accidentally hit on this wordgame while I was reading Ian Stewart's book Letters to a young mathematician. (Which I believe is considered as the Modern version of G. H. Hardy's book A mathematician's apology). Stewart beautifully explains how when one reads a long mathematical proof, one loses the big picture but is convinced that the proof is right. It happens more often that you start with a premise $A$ and deduce a conclusion $Z$ by establishing:
$ {\bf A}} \Rightarrow b\Rightarrow c\Rightarrow d\Rightarrow e\Rightarrow f \Rightarrow g\Rightarrow h\Rightarrow i\Rightarrow j\Rightarrow k\Rightarrow l\Rightarrow m\Rightarrow \\ n\Rightarrow o\Rightarrow p\Rightarrow q\Rightarrow r\Rightarrow s\Rightarrow t\Rightarrow u\Rightarrow v\Rightarrow w\Rightarrow x\Rightarrow y\Rightarrow {\bf Z}$
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