Top network posts

• 149 Convergence of $\sum(n^3\sin^2n)^{-1}$
• 131 Find the average of $\sin^{100} (x)$ in 5 minutes?
• 80 Proofs that require fundamentally new ways of thinking
• 70 Continuity $\Rightarrow$ Intermediate Value Property. Why is the opposite not true?
• 68 Non-Borel sets without axiom of choice
• 67 Why is the continuum hypothesis believed to be false by the majority of modern set theorists?
• 64 In a group we have $abc=cba$. Is it abelian?
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