Top network posts

• 163 Prove that $i^i$ is a real number
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• 95 A semigroup $X$ is a group iff for every $g\in X$, $\exists! x\in X$ such that $gxg = g$
• 75 Motivating Lubin-Tate theory
• 47 Critiques on proof showing $\sqrt{12}$ is irrational.
• 47 How to find a volume of this figure (which is $3080 \text{ cm}^3$) in a few seconds?
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