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$\sqrt2=2$とか$\pi=4$とかの偽証明を見てると気になるんだけど、図形の極限と長さの極限って物凄い違う概念だなって思う

@Sun_Pillar $L^1$-ノルムと $L^2$-ノルムをわざと混同させてるですね。

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Mathtodon

A Mastodon instance named Mathtodon, where you can post toots with beautiful mathematical formulae in TeX/LaTeX style.